Analysis

  • max time kernel
    1797s
  • max time network
    1801s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2022 14:11

General

  • Target

    5011f03924e939955dd3868c86998398ce022fb726ec701921377bf13ea341a2.exe

  • Size

    13KB

  • MD5

    a1a52e047f098572bc4f1020cbe19970

  • SHA1

    f3b05c953cc2d459985e47f41609620cb4c59437

  • SHA256

    5011f03924e939955dd3868c86998398ce022fb726ec701921377bf13ea341a2

  • SHA512

    3a5914dc3655b53dcb36fbaf18ad170029c15933e4a9c0808a3c95179da6bff246a10dcf5cc048392dff988dc2ba3bde6f89f3a1ab9914b8c3535a95c8f70699

  • SSDEEP

    192:6ZYUc8f/ftGgkpErlc/vl20JFi1TTgJMRqIcuuufNva:6ZddGgkpSWxuTEKRdN

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 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.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5011f03924e939955dd3868c86998398ce022fb726ec701921377bf13ea341a2.exe
    "C:\Users\Admin\AppData\Local\Temp\5011f03924e939955dd3868c86998398ce022fb726ec701921377bf13ea341a2.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:1696
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA0AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:112
    • C:\Users\Admin\AppData\Local\Temp\5011f03924e939955dd3868c86998398ce022fb726ec701921377bf13ea341a2.exe
      C:\Users\Admin\AppData\Local\Temp\5011f03924e939955dd3868c86998398ce022fb726ec701921377bf13ea341a2.exe
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1828

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/112-57-0x0000000000000000-mapping.dmp

  • memory/112-59-0x000000006E9F0000-0x000000006EF9B000-memory.dmp

    Filesize

    5.7MB

  • memory/112-60-0x000000006E9F0000-0x000000006EF9B000-memory.dmp

    Filesize

    5.7MB

  • memory/112-61-0x000000006E9F0000-0x000000006EF9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1696-54-0x0000000000E10000-0x0000000000E18000-memory.dmp

    Filesize

    32KB

  • memory/1696-55-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB

  • memory/1696-56-0x00000000073C0000-0x000000000778E000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-67-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-75-0x000000000068A488-mapping.dmp

  • memory/1828-65-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-62-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-69-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-71-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-72-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-63-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-74-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-77-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-79-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-81-0x00000000001A0000-0x00000000001AA000-memory.dmp

    Filesize

    40KB

  • memory/1828-80-0x00000000001A0000-0x00000000001AA000-memory.dmp

    Filesize

    40KB

  • memory/1828-82-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1828-83-0x00000000001A0000-0x00000000001AA000-memory.dmp

    Filesize

    40KB