Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    02-06-2024 01:09

General

  • Target

    de157bce790e78c95bfd5cffab422d55f6e6a58d7138b7bb9890470927e26a71.exe

  • Size

    1.1MB

  • MD5

    37981d783304098918585c0601b47e33

  • SHA1

    7a2b9276680d3bb89d83910837c00a756b48d84b

  • SHA256

    de157bce790e78c95bfd5cffab422d55f6e6a58d7138b7bb9890470927e26a71

  • SHA512

    874bc244de8d28ac80e75d2aaaedc19eed9db292a12d89e658f0fd6b4db92dc6e50f137952106e5f36daa4bb914fe07a4e053e8f81472b77ad254e1113f35ed1

  • SSDEEP

    24576:8Ai4MROxnFl3dzMrrcI0AilFEvxHPWooOd:8gMirGrrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

Botnet

nigga

C2

10.0.2.15:10134

Mutex

b5de90708c8d4cec988950af132b8790

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %programfiles%\Orcus\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    Orcus

  • watchdog_path

    AppData\OrcusWatchdog.exe

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcurs Rat Executable 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de157bce790e78c95bfd5cffab422d55f6e6a58d7138b7bb9890470927e26a71.exe
    "C:\Users\Admin\AppData\Local\Temp\de157bce790e78c95bfd5cffab422d55f6e6a58d7138b7bb9890470927e26a71.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
      "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Local\Temp\de157bce790e78c95bfd5cffab422d55f6e6a58d7138b7bb9890470927e26a71.exe" 3000
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
        "C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Users\Admin\AppData\Local\Temp\de157bce790e78c95bfd5cffab422d55f6e6a58d7138b7bb9890470927e26a71.exe" 3000
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • memory/2632-23-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/2632-20-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/2632-17-0x0000000000810000-0x0000000000818000-memory.dmp

    Filesize

    32KB

  • memory/3000-3-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/3000-6-0x0000000000B00000-0x0000000000B18000-memory.dmp

    Filesize

    96KB

  • memory/3000-7-0x0000000000B70000-0x0000000000B80000-memory.dmp

    Filesize

    64KB

  • memory/3000-5-0x0000000000600000-0x0000000000612000-memory.dmp

    Filesize

    72KB

  • memory/3000-4-0x00000000009B0000-0x0000000000A0C000-memory.dmp

    Filesize

    368KB

  • memory/3000-0-0x000000007405E000-0x000000007405F000-memory.dmp

    Filesize

    4KB

  • memory/3000-2-0x0000000000310000-0x000000000031E000-memory.dmp

    Filesize

    56KB

  • memory/3000-21-0x000000007405E000-0x000000007405F000-memory.dmp

    Filesize

    4KB

  • memory/3000-22-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/3000-1-0x0000000001160000-0x000000000128C000-memory.dmp

    Filesize

    1.2MB