Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2022 10:18

General

  • Target

    order details.exe

  • Size

    23KB

  • MD5

    fd4af8f83ebc315989406a87ca804dba

  • SHA1

    d482a554d978b86a4886b14c97176c1a3b66174f

  • SHA256

    770e60bd6058174717ddc4fd4c194579acd9012d792aa912bcc217ff99bcf17d

  • SHA512

    164c2f7e28e35c406e29fd3dad7de7b9bc43648615ca7edbcff182b2355f6681c74e04e31562ad214e54ef0a90afbd03dfe4baeee3941ea5ee8ba91528a6ffca

  • SSDEEP

    384:uqchetLLQQ5kVOdCvyh77WlWqVDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDyd+:Yk99clq7WlWqVDDDDDDDDDDDDDDDDDD6

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

103.125.190.185:1234

Attributes
  • communication_password

    827ccb0eea8a706c4c34a16891f84e7b

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 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.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\order details.exe
    "C:\Users\Admin\AppData\Local\Temp\order details.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4172
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:7376
    • C:\Users\Admin\AppData\Local\Temp\order details.exe
      "C:\Users\Admin\AppData\Local\Temp\order details.exe"
      2⤵
        PID:2636
      • C:\Users\Admin\AppData\Local\Temp\order details.exe
        "C:\Users\Admin\AppData\Local\Temp\order details.exe"
        2⤵
          PID:728
        • C:\Users\Admin\AppData\Local\Temp\order details.exe
          "C:\Users\Admin\AppData\Local\Temp\order details.exe"
          2⤵
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4364

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/728-146-0x0000000000000000-mapping.dmp
      • memory/2636-145-0x0000000000000000-mapping.dmp
      • memory/4172-133-0x00000000054F0000-0x0000000005A94000-memory.dmp
        Filesize

        5.6MB

      • memory/4172-134-0x0000000004FE0000-0x0000000005072000-memory.dmp
        Filesize

        584KB

      • memory/4172-135-0x0000000004F70000-0x0000000004F7A000-memory.dmp
        Filesize

        40KB

      • memory/4172-136-0x0000000007B20000-0x0000000007B42000-memory.dmp
        Filesize

        136KB

      • memory/4172-132-0x0000000000550000-0x000000000055C000-memory.dmp
        Filesize

        48KB

      • memory/4364-153-0x0000000074C30000-0x0000000074C69000-memory.dmp
        Filesize

        228KB

      • memory/4364-155-0x0000000000400000-0x00000000007CE000-memory.dmp
        Filesize

        3.8MB

      • memory/4364-161-0x0000000074C30000-0x0000000074C69000-memory.dmp
        Filesize

        228KB

      • memory/4364-160-0x00000000748B0000-0x00000000748E9000-memory.dmp
        Filesize

        228KB

      • memory/4364-159-0x0000000074C30000-0x0000000074C69000-memory.dmp
        Filesize

        228KB

      • memory/4364-158-0x0000000074C30000-0x0000000074C69000-memory.dmp
        Filesize

        228KB

      • memory/4364-157-0x0000000074C30000-0x0000000074C69000-memory.dmp
        Filesize

        228KB

      • memory/4364-156-0x0000000074C30000-0x0000000074C69000-memory.dmp
        Filesize

        228KB

      • memory/4364-147-0x0000000000000000-mapping.dmp
      • memory/4364-148-0x0000000000400000-0x00000000007CE000-memory.dmp
        Filesize

        3.8MB

      • memory/4364-149-0x0000000000400000-0x00000000007CE000-memory.dmp
        Filesize

        3.8MB

      • memory/4364-150-0x0000000000400000-0x00000000007CE000-memory.dmp
        Filesize

        3.8MB

      • memory/4364-151-0x0000000000400000-0x00000000007CE000-memory.dmp
        Filesize

        3.8MB

      • memory/4364-152-0x00000000748B0000-0x00000000748E9000-memory.dmp
        Filesize

        228KB

      • memory/4364-154-0x0000000074C30000-0x0000000074C69000-memory.dmp
        Filesize

        228KB

      • memory/7376-137-0x0000000000000000-mapping.dmp
      • memory/7376-140-0x00000000055A0000-0x0000000005606000-memory.dmp
        Filesize

        408KB

      • memory/7376-138-0x0000000002640000-0x0000000002676000-memory.dmp
        Filesize

        216KB

      • memory/7376-139-0x0000000004F70000-0x0000000005598000-memory.dmp
        Filesize

        6.2MB

      • memory/7376-144-0x0000000006140000-0x000000000615A000-memory.dmp
        Filesize

        104KB

      • memory/7376-143-0x0000000007270000-0x00000000078EA000-memory.dmp
        Filesize

        6.5MB

      • memory/7376-142-0x0000000005C30000-0x0000000005C4E000-memory.dmp
        Filesize

        120KB

      • memory/7376-141-0x0000000005610000-0x0000000005676000-memory.dmp
        Filesize

        408KB