Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2022 15:39

General

  • Target

    JUICIO 0-581-1595-2022-660-202-10..exe

  • Size

    3.2MB

  • MD5

    09bb05a14f96a008da82cc06277e65dc

  • SHA1

    7e140dc2f7a70e016f95c216f621324264133b96

  • SHA256

    8a8510d2187fd728940e181d4439b0540b24a3ba120e5a2c2848de00a925a25a

  • SHA512

    6d61db479ee1c4b2454e1d8c19524a567cd3f9f84946593fa3c03932ff01bc02cfd80c82a0f9650e435babc0479857fe2c90460bf5effbe6f6d7a6a354dc18ec

  • SSDEEP

    98304:tPvxQDFdz7aAXTiI0kKTC8Va7G7S/Vt9STf:tPvAxIkKO8U5LwT

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bendito.con-ip.com:3005

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 5 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JUICIO 0-581-1595-2022-660-202-10..exe
    "C:\Users\Admin\AppData\Local\Temp\JUICIO 0-581-1595-2022-660-202-10..exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4572
    • 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:208
    • 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:2788

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/208-140-0x0000000007FB0000-0x000000000862A000-memory.dmp

    Filesize

    6.5MB

  • memory/208-141-0x0000000006E90000-0x0000000006EAA000-memory.dmp

    Filesize

    104KB

  • memory/208-134-0x0000000000000000-mapping.dmp

  • memory/208-135-0x00000000033B0000-0x00000000033E6000-memory.dmp

    Filesize

    216KB

  • memory/208-136-0x0000000005AA0000-0x00000000060C8000-memory.dmp

    Filesize

    6.2MB

  • memory/208-137-0x00000000061C0000-0x0000000006226000-memory.dmp

    Filesize

    408KB

  • memory/208-138-0x0000000006230000-0x0000000006296000-memory.dmp

    Filesize

    408KB

  • memory/208-139-0x00000000069A0000-0x00000000069BE000-memory.dmp

    Filesize

    120KB

  • memory/2788-142-0x0000000000000000-mapping.dmp

  • memory/2788-143-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2788-144-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2788-145-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2788-147-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2788-148-0x00000000747C0000-0x00000000747F9000-memory.dmp

    Filesize

    228KB

  • memory/2788-149-0x0000000074B40000-0x0000000074B79000-memory.dmp

    Filesize

    228KB

  • memory/2788-150-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2788-151-0x00000000747C0000-0x00000000747F9000-memory.dmp

    Filesize

    228KB

  • memory/2788-152-0x0000000074B40000-0x0000000074B79000-memory.dmp

    Filesize

    228KB

  • memory/4572-133-0x0000000005A10000-0x0000000005A32000-memory.dmp

    Filesize

    136KB

  • memory/4572-132-0x0000000000840000-0x0000000000B82000-memory.dmp

    Filesize

    3.3MB