Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 18:16

General

  • Target

    064594771fd6de5d606d49b66f68066fbe33659fce1fce7e04e5591f8f50ed32.dll

  • Size

    120KB

  • MD5

    4681e5f309b44761f9e39c57a1168ab7

  • SHA1

    4fbb7aea9887698d189424525f7109184fb7bd34

  • SHA256

    064594771fd6de5d606d49b66f68066fbe33659fce1fce7e04e5591f8f50ed32

  • SHA512

    a4f3b216706b29d587bd496f9cb026853fd4a85f9e584c69cf6fc8aa3671d68354ea8c82c820e0b85541db9a5ef071973dd6bd19f1daaadbc2d2b17bc15bba13

  • SSDEEP

    3072:hHLI9KerBaHVg3/kfWPmdEhfaLaqIL389xjosGM:BLMruVg3vPPhfnhQ9xjo

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 31 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 12 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2552
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2624
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3008
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\064594771fd6de5d606d49b66f68066fbe33659fce1fce7e04e5591f8f50ed32.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4212
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\064594771fd6de5d606d49b66f68066fbe33659fce1fce7e04e5591f8f50ed32.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2844
                      • C:\Users\Admin\AppData\Local\Temp\e573c8c.exe
                        C:\Users\Admin\AppData\Local\Temp\e573c8c.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Program Files directory
                        • Drops file in Windows directory
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:388
                      • C:\Users\Admin\AppData\Local\Temp\e573de4.exe
                        C:\Users\Admin\AppData\Local\Temp\e573de4.exe
                        4⤵
                        • Executes dropped EXE
                        PID:1696
                      • C:\Users\Admin\AppData\Local\Temp\e575c1a.exe
                        C:\Users\Admin\AppData\Local\Temp\e575c1a.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System policy modification
                        PID:4680
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3576
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3760
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3852
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3948
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4032
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4124
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                              1⤵
                                PID:3140
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4696
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4928
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3888
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1788
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:5000

                                        Network

                                        MITRE ATT&CK Matrix ATT&CK v13

                                        Persistence

                                        Create or Modify System Process

                                        1
                                        T1543

                                        Windows Service

                                        1
                                        T1543.003

                                        Privilege Escalation

                                        Create or Modify System Process

                                        1
                                        T1543

                                        Windows Service

                                        1
                                        T1543.003

                                        Abuse Elevation Control Mechanism

                                        1
                                        T1548

                                        Bypass User Account Control

                                        1
                                        T1548.002

                                        Defense Evasion

                                        Modify Registry

                                        5
                                        T1112

                                        Impair Defenses

                                        4
                                        T1562

                                        Disable or Modify Tools

                                        3
                                        T1562.001

                                        Disable or Modify System Firewall

                                        1
                                        T1562.004

                                        Abuse Elevation Control Mechanism

                                        1
                                        T1548

                                        Bypass User Account Control

                                        1
                                        T1548.002

                                        Discovery

                                        System Information Discovery

                                        2
                                        T1082

                                        Query Registry

                                        1
                                        T1012

                                        Peripheral Device Discovery

                                        1
                                        T1120

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e573c8c.exe
                                          Filesize

                                          97KB

                                          MD5

                                          f5f6a55c00b3aec25834f85933fb04da

                                          SHA1

                                          7187cf6b5f85433695bbf6b45fb20e119ff90fee

                                          SHA256

                                          0dccd6f16614713dc8eed76b24d67a576f663c3dc37ccba3c3534de98deae16c

                                          SHA512

                                          2b5b32aba92f13747e34e446f505b80e92ba0917671a627731b690601dbb0ca27c6a450140e65b4c20e3456d7ddf1888850f071d441785d290576f9978e98ad2

                                        • C:\Windows\SYSTEM.INI
                                          Filesize

                                          257B

                                          MD5

                                          9c3550ec98c3d53145be3f5899745743

                                          SHA1

                                          36a584ff2a05a45dd811b76ba57e194976aaba04

                                          SHA256

                                          a012660a994cfa915874d04903ada3339a4be682cd5009f56c8aef188c67dc4f

                                          SHA512

                                          3c0856dd864dc981ed081b342c72910ed8edfb8666c318cf31f74a6742bd7167ce477a08f0600529c2ce587b0ed8fd77f9242513de6641067555af7fca957847

                                        • memory/388-42-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-72-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-10-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-9-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-6-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-12-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-23-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-34-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-29-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-13-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-31-0x0000000001A30000-0x0000000001A32000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/388-28-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-17-0x0000000001A40000-0x0000000001A41000-memory.dmp
                                          Filesize

                                          4KB

                                        • memory/388-24-0x0000000001A30000-0x0000000001A32000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/388-51-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-5-0x0000000000400000-0x0000000000412000-memory.dmp
                                          Filesize

                                          72KB

                                        • memory/388-53-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-81-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-88-0x0000000001A30000-0x0000000001A32000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/388-37-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-36-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-38-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-39-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-40-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-78-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-79-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-8-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-77-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-98-0x0000000000400000-0x0000000000412000-memory.dmp
                                          Filesize

                                          72KB

                                        • memory/388-73-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-11-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-69-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-67-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-64-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-63-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/388-62-0x0000000000750000-0x000000000180A000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/1696-60-0x00000000001E0000-0x00000000001E2000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/1696-55-0x00000000001F0000-0x00000000001F1000-memory.dmp
                                          Filesize

                                          4KB

                                        • memory/1696-35-0x0000000000400000-0x0000000000412000-memory.dmp
                                          Filesize

                                          72KB

                                        • memory/1696-102-0x0000000000400000-0x0000000000412000-memory.dmp
                                          Filesize

                                          72KB

                                        • memory/1696-56-0x00000000001E0000-0x00000000001E2000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/2844-25-0x0000000000980000-0x0000000000982000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/2844-15-0x0000000000990000-0x0000000000991000-memory.dmp
                                          Filesize

                                          4KB

                                        • memory/2844-30-0x0000000000980000-0x0000000000982000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/2844-0-0x0000000010000000-0x0000000010020000-memory.dmp
                                          Filesize

                                          128KB

                                        • memory/2844-14-0x0000000000980000-0x0000000000982000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/4680-58-0x00000000001F0000-0x00000000001F1000-memory.dmp
                                          Filesize

                                          4KB

                                        • memory/4680-126-0x0000000000400000-0x0000000000412000-memory.dmp
                                          Filesize

                                          72KB

                                        • memory/4680-50-0x0000000000400000-0x0000000000412000-memory.dmp
                                          Filesize

                                          72KB

                                        • memory/4680-128-0x0000000000B40000-0x0000000001BFA000-memory.dmp
                                          Filesize

                                          16.7MB

                                        • memory/4680-59-0x00000000001E0000-0x00000000001E2000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/4680-61-0x00000000001E0000-0x00000000001E2000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/4680-127-0x0000000000B40000-0x0000000001BFA000-memory.dmp
                                          Filesize

                                          16.7MB