Analysis

  • max time kernel
    126s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 05:24

General

  • Target

    fcc3957da664d8621f4fab9ec0cb8747738f021f9d067fb61bd3de3ebe0c8260.exe

  • Size

    73KB

  • MD5

    0b3aad021c947644e20d5741c7149383

  • SHA1

    8ecd2231171ca1c938930355230ac1d81d27c093

  • SHA256

    fcc3957da664d8621f4fab9ec0cb8747738f021f9d067fb61bd3de3ebe0c8260

  • SHA512

    f2eb79b07a85df923c4fdd8c97930ee8c1e586b3f6ba880b016980adf811b7cda817a511fc8430a925b0f5a1f642840136dbb116b13da9c02d2710285404d76f

  • SSDEEP

    1536:G1ioBYUcEtGib8QjvG0DJsvw3yNK4FScNT7xvlZY3Go78lcd:AMEtBJG0DWvw3eK4Ic9lZY3Go73d

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 31 IoCs
  • UPX dump on OEP (original entry point) 29 IoCs
  • UPX packed file 29 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1220
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1308
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1356
          • C:\Users\Admin\AppData\Local\Temp\fcc3957da664d8621f4fab9ec0cb8747738f021f9d067fb61bd3de3ebe0c8260.exe
            "C:\Users\Admin\AppData\Local\Temp\fcc3957da664d8621f4fab9ec0cb8747738f021f9d067fb61bd3de3ebe0c8260.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • 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:3000
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1684

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Initial Access

          Replication Through Removable Media

          1
          T1091

          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

          3
          T1082

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          Lateral Movement

          Replication Through Removable Media

          1
          T1091

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\vlps.exe
            Filesize

            100KB

            MD5

            9ea6e41ecd4abd9787586e5dcca61562

            SHA1

            746bd06371b89d7c0fd282a06914d1c69f82b9dc

            SHA256

            7b42a473586485b2f44feaaa13bd44d1be5bc9d27f8c6cae81f94c5d9328be61

            SHA512

            b2a4dc801a4224f23c7fc59cdff1f8f754cc316b3acb4abcbf67b69dd2baa0de381072f9b6dce10bc390a28f4623cdc847ef1c48af3b6a3077a0fbfbfd612294

          • memory/1220-12-0x0000000002060000-0x0000000002062000-memory.dmp
            Filesize

            8KB

          • memory/3000-28-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-4-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-0-0x0000000000400000-0x0000000000414000-memory.dmp
            Filesize

            80KB

          • memory/3000-29-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-25-0x00000000038E0000-0x00000000038E2000-memory.dmp
            Filesize

            8KB

          • memory/3000-24-0x00000000038E0000-0x00000000038E2000-memory.dmp
            Filesize

            8KB

          • memory/3000-23-0x00000000038F0000-0x00000000038F1000-memory.dmp
            Filesize

            4KB

          • memory/3000-21-0x00000000038F0000-0x00000000038F1000-memory.dmp
            Filesize

            4KB

          • memory/3000-20-0x00000000038E0000-0x00000000038E2000-memory.dmp
            Filesize

            8KB

          • memory/3000-5-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-10-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-11-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-8-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-6-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-27-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-26-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-9-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-30-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-3-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-32-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-37-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-39-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-40-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-43-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-44-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-46-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-47-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-49-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-55-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-56-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-59-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-60-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-69-0x00000000038E0000-0x00000000038E2000-memory.dmp
            Filesize

            8KB

          • memory/3000-70-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-71-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB

          • memory/3000-7-0x0000000001DA0000-0x0000000002E2E000-memory.dmp
            Filesize

            16.6MB