Resubmissions

30-06-2024 01:13

240630-blhaps1emd 10

29-06-2024 20:58

240629-zscksswdje 10

Analysis

  • max time kernel
    100s
  • max time network
    95s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    30-06-2024 01:13

General

  • Target

    2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe

  • Size

    240KB

  • MD5

    88c33d9670490f003390bd5b00cbc76d

  • SHA1

    0563481e0b88924d1f19fbe4f1afec283fe448e6

  • SHA256

    0837ea3c5e0a86168ded966aca50add80e1b533b99a00b4a6b5d5f6a497de146

  • SHA512

    0faa29d0b2d62a288b47ca5ad735c3c8b2a6c7c6cd5e90bd1f845ac956de3190f6849d61024cb7347411fdd870eea77c7380f44b87ddbe33ff25a039f1a4b2b8

  • SSDEEP

    3072:qYHVHd2NwMqqDL2/mr3IdE8we0Avu5r++ygLIaa4jRv9OtNZpHk:qycqqDL6oREzZpE

Malware Config

Signatures

  • GandCrab payload 6 IoCs
  • Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Checks processor information in registry 2 TTPs 15 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup nomoreransom.bit dns1.soprodns.ru
      2⤵
        PID:2148
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup emsisoft.bit dns1.soprodns.ru
        2⤵
          PID:2780
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gandcrab.bit dns1.soprodns.ru
          2⤵
            PID:2552
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup nomoreransom.bit dns1.soprodns.ru
            2⤵
              PID:3036
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup emsisoft.bit dns1.soprodns.ru
              2⤵
                PID:2924
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gandcrab.bit dns1.soprodns.ru
                2⤵
                  PID:2036
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup nomoreransom.bit dns1.soprodns.ru
                  2⤵
                    PID:2724
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup emsisoft.bit dns1.soprodns.ru
                    2⤵
                      PID:1688
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gandcrab.bit dns1.soprodns.ru
                      2⤵
                        PID:1628
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup nomoreransom.bit dns1.soprodns.ru
                        2⤵
                          PID:2896
                      • C:\Windows\system32\taskmgr.exe
                        "C:\Windows\system32\taskmgr.exe" /4
                        1⤵
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious behavior: GetForegroundWindowSpam
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of FindShellTrayWindow
                        • Suspicious use of SendNotifyMessage
                        PID:2656
                      • C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
                        "C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe"
                        1⤵
                        • Checks processor information in registry
                        PID:1728
                      • C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
                        "C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe"
                        1⤵
                        • Checks processor information in registry
                        PID:2892
                      • C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
                        "C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe"
                        1⤵
                        • Checks processor information in registry
                        PID:2936
                      • C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe
                        "C:\Users\Admin\AppData\Local\Temp\2024-06-29_88c33d9670490f003390bd5b00cbc76d_gandcrab.exe"
                        1⤵
                        • Checks processor information in registry
                        PID:2420

                      Network

                      MITRE ATT&CK Matrix ATT&CK v13

                      Persistence

                      Boot or Logon Autostart Execution

                      1
                      T1547

                      Registry Run Keys / Startup Folder

                      1
                      T1547.001

                      Privilege Escalation

                      Boot or Logon Autostart Execution

                      1
                      T1547

                      Registry Run Keys / Startup Folder

                      1
                      T1547.001

                      Defense Evasion

                      Modify Registry

                      1
                      T1112

                      Discovery

                      Query Registry

                      2
                      T1012

                      Peripheral Device Discovery

                      1
                      T1120

                      System Information Discovery

                      2
                      T1082

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • memory/1728-9-0x0000000000400000-0x000000000043C000-memory.dmp
                        Filesize

                        240KB

                      • memory/1728-10-0x0000000000400000-0x000000000043C000-memory.dmp
                        Filesize

                        240KB

                      • memory/2220-0-0x0000000000400000-0x000000000043C000-memory.dmp
                        Filesize

                        240KB

                      • memory/2220-5-0x0000000000400000-0x000000000043C000-memory.dmp
                        Filesize

                        240KB

                      • memory/2656-4-0x0000000140000000-0x00000001405E8000-memory.dmp
                        Filesize

                        5.9MB

                      • memory/2656-8-0x0000000002510000-0x0000000002520000-memory.dmp
                        Filesize

                        64KB

                      • memory/2656-12-0x0000000140000000-0x00000001405E8000-memory.dmp
                        Filesize

                        5.9MB

                      • memory/2892-11-0x0000000000400000-0x000000000043C000-memory.dmp
                        Filesize

                        240KB

                      • memory/2936-13-0x0000000000400000-0x000000000043C000-memory.dmp
                        Filesize

                        240KB