Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2022 17:07

General

  • Target

    FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe

  • Size

    3.4MB

  • MD5

    fc8292e20e956e494064d005dd3cdf7d

  • SHA1

    36fcd3d13e53ae0757a4115cacd3123e983e8937

  • SHA256

    63ec772a57bb782428643ac0926ef9a26e5687c29994041be791a313f592055f

  • SHA512

    52d34aa67efe2cce73c2390cd00e942cc85dbf7dd3db2a1663d690f893d0a7e2263f07b2d89b8a7dc07aac4678a0b73ad72f3be855f12772f769fb5bdbb448ec

  • SSDEEP

    98304:2Jm1Yc2EzHm2yMMXCjhlJIqLz6L7lE/WGBg:2QfG2yVCVlJIgCEW

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

grtgrnmwljenf.con-ip.com:1880

Attributes
  • communication_password

    202cb962ac59075b964b07152d234b70

  • tor_process

    tor

Signatures

  • BitRAT

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

  • UPX packed file 6 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe
    "C:\Users\Admin\AppData\Local\Temp\FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1420
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
        PID:1896
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:508

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/508-146-0x0000000000000000-mapping.dmp
    • memory/508-158-0x0000000074A50000-0x0000000074A89000-memory.dmp
      Filesize

      228KB

    • memory/508-157-0x0000000074A50000-0x0000000074A89000-memory.dmp
      Filesize

      228KB

    • memory/508-156-0x00000000746D0000-0x0000000074709000-memory.dmp
      Filesize

      228KB

    • memory/508-155-0x0000000074A50000-0x0000000074A89000-memory.dmp
      Filesize

      228KB

    • memory/508-154-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

    • memory/508-153-0x0000000074A50000-0x0000000074A89000-memory.dmp
      Filesize

      228KB

    • memory/508-152-0x00000000746D0000-0x0000000074709000-memory.dmp
      Filesize

      228KB

    • memory/508-151-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

    • memory/508-150-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

    • memory/508-147-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

    • memory/508-149-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

    • memory/508-148-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

    • memory/1420-138-0x00000000029F0000-0x0000000002A26000-memory.dmp
      Filesize

      216KB

    • memory/1420-139-0x0000000005210000-0x0000000005838000-memory.dmp
      Filesize

      6.2MB

    • memory/1420-144-0x00000000064C0000-0x00000000064DA000-memory.dmp
      Filesize

      104KB

    • memory/1420-143-0x0000000007820000-0x0000000007E9A000-memory.dmp
      Filesize

      6.5MB

    • memory/1420-142-0x0000000005FD0000-0x0000000005FEE000-memory.dmp
      Filesize

      120KB

    • memory/1420-141-0x00000000059D0000-0x0000000005A36000-memory.dmp
      Filesize

      408KB

    • memory/1420-140-0x00000000058B0000-0x0000000005916000-memory.dmp
      Filesize

      408KB

    • memory/1420-137-0x0000000000000000-mapping.dmp
    • memory/1880-132-0x0000000000F40000-0x00000000012B2000-memory.dmp
      Filesize

      3.4MB

    • memory/1880-136-0x0000000007070000-0x0000000007092000-memory.dmp
      Filesize

      136KB

    • memory/1880-135-0x0000000006A50000-0x0000000006A5A000-memory.dmp
      Filesize

      40KB

    • memory/1880-134-0x0000000006960000-0x00000000069F2000-memory.dmp
      Filesize

      584KB

    • memory/1880-133-0x0000000006140000-0x00000000066E4000-memory.dmp
      Filesize

      5.6MB

    • memory/1896-145-0x0000000000000000-mapping.dmp