Analysis

  • max time kernel
    244s
  • max time network
    337s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2022 11:54

General

  • Target

    24fe6412893abef12251d0c0cb59beaf40cdc34ce8c70ff766e4d9444a6f6186.exe

  • Size

    10KB

  • MD5

    9c21d2bd9e8db420cd94a03a00dfdba4

  • SHA1

    2f90b847dda5638552a3a5fb01ee28ea6bf82245

  • SHA256

    24fe6412893abef12251d0c0cb59beaf40cdc34ce8c70ff766e4d9444a6f6186

  • SHA512

    58e4a7c75b41b8551bec5085bc6148ea58c1873981dd6e872b261037d34b15b5ffeccb5babbcb9d756702cccab257a6ebd4c3e9394b843d7b9f94f8a204ab8a6

  • SSDEEP

    96:fPdkus9rUrOeM+Jn2JUHBOYOlkIy6KUwTTgJMRqI6ruuuVFr3333KnpMwKFnU:fP29rUrBM82YjOeJ1TTgJMRqIcuuu6/

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

37.139.128.233:3569

Attributes
  • communication_password

    ce952068942604a6d6df06ed5002fad6

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24fe6412893abef12251d0c0cb59beaf40cdc34ce8c70ff766e4d9444a6f6186.exe
    "C:\Users\Admin\AppData\Local\Temp\24fe6412893abef12251d0c0cb59beaf40cdc34ce8c70ff766e4d9444a6f6186.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:520
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAyAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:608
    • C:\Users\Admin\AppData\Local\Temp\24fe6412893abef12251d0c0cb59beaf40cdc34ce8c70ff766e4d9444a6f6186.exe
      C:\Users\Admin\AppData\Local\Temp\24fe6412893abef12251d0c0cb59beaf40cdc34ce8c70ff766e4d9444a6f6186.exe
      2⤵
        PID:1016

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/520-54-0x0000000000210000-0x0000000000218000-memory.dmp

      Filesize

      32KB

    • memory/520-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

      Filesize

      8KB

    • memory/520-56-0x0000000007100000-0x00000000074CE000-memory.dmp

      Filesize

      3.8MB

    • memory/608-57-0x0000000000000000-mapping.dmp

    • memory/608-59-0x000000006DF90000-0x000000006E53B000-memory.dmp

      Filesize

      5.7MB

    • memory/608-60-0x000000006DF90000-0x000000006E53B000-memory.dmp

      Filesize

      5.7MB

    • memory/608-61-0x000000006DF90000-0x000000006E53B000-memory.dmp

      Filesize

      5.7MB

    • memory/1016-62-0x0000000000400000-0x00000000007CE000-memory.dmp

      Filesize

      3.8MB

    • memory/1016-63-0x0000000000400000-0x00000000007CE000-memory.dmp

      Filesize

      3.8MB

    • memory/1016-65-0x0000000000400000-0x00000000007CE000-memory.dmp

      Filesize

      3.8MB

    • memory/1016-67-0x0000000000400000-0x00000000007CE000-memory.dmp

      Filesize

      3.8MB

    • memory/1016-69-0x0000000000400000-0x00000000007CE000-memory.dmp

      Filesize

      3.8MB

    • memory/1016-71-0x0000000000400000-0x00000000007CE000-memory.dmp

      Filesize

      3.8MB

    • memory/1016-72-0x0000000000400000-0x00000000007CE000-memory.dmp

      Filesize

      3.8MB

    • memory/1016-74-0x0000000000400000-0x00000000007CE000-memory.dmp

      Filesize

      3.8MB

    • memory/1016-75-0x000000000068A488-mapping.dmp

    • memory/1016-77-0x0000000000400000-0x00000000007CE000-memory.dmp

      Filesize

      3.8MB