Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2022 20:37

General

  • Target

    Radicado generado relacionado F.-0932 Sept 2022.exe

  • Size

    1.2MB

  • MD5

    3a1799dc19d575bd7abc03d3bdf2afd3

  • SHA1

    250d8cb56c9307c5a5a3bb99ce0d1388b59a98a5

  • SHA256

    67dc36b32a718de5d05b8ccf59d8a0415a76c8c42729065145f7f9da83726b7b

  • SHA512

    e9528f32505f8d7094c84e24bcf5d5de462cf7b662babede5f6e8608b1f6f000e218fe15311e520c9c4cbebc0f87d012abcf38d3e297495fef48d7a721ba3064

  • SSDEEP

    24576:647pJG5oP7wIS93chQu4u4QqXMAUfO51QVRRV9F+cQO:N7pJSQ7wIS+h34nXT7gL9+5O

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

pedroleonta822.con-ip.com:5020

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Radicado generado relacionado F.-0932 Sept 2022.exe
    "C:\Users\Admin\AppData\Local\Temp\Radicado generado relacionado F.-0932 Sept 2022.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:4876
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4948
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
        PID:2732
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        2⤵
          PID:3028
        • 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:428

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/428-144-0x0000000000000000-mapping.dmp

      • memory/428-154-0x0000000074A60000-0x0000000074A99000-memory.dmp

        Filesize

        228KB

      • memory/428-153-0x00000000746E0000-0x0000000074719000-memory.dmp

        Filesize

        228KB

      • memory/428-152-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/428-151-0x0000000074A60000-0x0000000074A99000-memory.dmp

        Filesize

        228KB

      • memory/428-150-0x00000000746E0000-0x0000000074719000-memory.dmp

        Filesize

        228KB

      • memory/428-149-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/428-148-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/428-147-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/428-146-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/428-145-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/2732-142-0x0000000000000000-mapping.dmp

      • memory/3028-143-0x0000000000000000-mapping.dmp

      • memory/4876-132-0x0000000000D50000-0x0000000000E7A000-memory.dmp

        Filesize

        1.2MB

      • memory/4876-133-0x000000000A3A0000-0x000000000A3C2000-memory.dmp

        Filesize

        136KB

      • memory/4948-141-0x0000000006770000-0x000000000678A000-memory.dmp

        Filesize

        104KB

      • memory/4948-140-0x00000000078E0000-0x0000000007F5A000-memory.dmp

        Filesize

        6.5MB

      • memory/4948-139-0x0000000006280000-0x000000000629E000-memory.dmp

        Filesize

        120KB

      • memory/4948-138-0x0000000005C50000-0x0000000005CB6000-memory.dmp

        Filesize

        408KB

      • memory/4948-137-0x0000000005A30000-0x0000000005A96000-memory.dmp

        Filesize

        408KB

      • memory/4948-136-0x0000000005350000-0x0000000005978000-memory.dmp

        Filesize

        6.2MB

      • memory/4948-135-0x0000000002980000-0x00000000029B6000-memory.dmp

        Filesize

        216KB

      • memory/4948-134-0x0000000000000000-mapping.dmp