Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2022 18:50

General

  • Target

    38ac6284a88ccb4ee40212a22c2575bb90f719c6dad952c23a286759f1108c80.exe

  • Size

    3.4MB

  • MD5

    aa460dc0cf6a357b45f66e9f7ef535c1

  • SHA1

    fa4130f40cff7890b1773beec8fdc9132b76c69d

  • SHA256

    38ac6284a88ccb4ee40212a22c2575bb90f719c6dad952c23a286759f1108c80

  • SHA512

    bd403d094fb9f2b72cc254e9db2d2c841d0e46fe19334bba139d53c4087001d3d0e5ab716b86076710f592abe9f18ae4413a10eaa46c828242ccf16107bf0073

  • SSDEEP

    98304:nmN2t+apaCv1Y6nyTsigAJ2FT8zd/oV2V:mN2gANrny7jJHh/q2V

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

ckjruifbnswdcy.con-ip.com:1880

Attributes
  • communication_password

    202cb962ac59075b964b07152d234b70

  • install_dir

    AppData

  • install_file

    Discord.exe

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Detects BitRAT RAT 3 IoCs
  • UPX packed file 8 IoCs

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

  • Adds Run key to start application 2 TTPs 2 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38ac6284a88ccb4ee40212a22c2575bb90f719c6dad952c23a286759f1108c80.exe
    "C:\Users\Admin\AppData\Local\Temp\38ac6284a88ccb4ee40212a22c2575bb90f719c6dad952c23a286759f1108c80.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2020
    • 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:612
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1764

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/612-58-0x0000000000000000-mapping.dmp

  • memory/612-61-0x000000006FE50000-0x00000000703FB000-memory.dmp

    Filesize

    5.7MB

  • memory/612-60-0x000000006FE50000-0x00000000703FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1764-63-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1764-66-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1764-73-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1764-72-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1764-62-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1764-70-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1764-65-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1764-69-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1764-67-0x00000000007E2750-mapping.dmp

  • memory/1764-68-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/2020-57-0x0000000002250000-0x00000000022E2000-memory.dmp

    Filesize

    584KB

  • memory/2020-54-0x0000000000260000-0x00000000005BC000-memory.dmp

    Filesize

    3.4MB

  • memory/2020-55-0x0000000004D80000-0x0000000004F94000-memory.dmp

    Filesize

    2.1MB

  • memory/2020-56-0x00000000756B1000-0x00000000756B3000-memory.dmp

    Filesize

    8KB