Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-04-2024 01:03

General

  • Target

    b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe

  • Size

    2.6MB

  • MD5

    1f3265ce6fd5450943cfc07a7b7971c1

  • SHA1

    7df873fa54d45543871e195b9ff9491b9c4d159d

  • SHA256

    b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6

  • SHA512

    bc8dbf287727c5f15c91cda4ce45d8ce05268cb9e0ba1e735f9b835294c7af0e12440fe87818219fe56a27122418dacf948380a48b27defca020a7387517fac4

  • SSDEEP

    24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxn:Hh+ZkldoPKiYdqd6f

Malware Config

Extracted

Family

orcus

Botnet

ligeon

C2

ligeon.ddns.net:1606

Mutex

b98fb09a59c24a81b9d17a55ccf2c036

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    true

  • 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 2 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • AutoIT Executable 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe
    "C:\Users\Admin\AppData\Local\Temp\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5032
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2196
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
      2⤵
      • Creates scheduled task(s)
      PID:964
  • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
    C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4872
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
        2⤵
        • Creates scheduled task(s)
        PID:2832
    • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
      C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4652
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:4292
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
          2⤵
          • Creates scheduled task(s)
          PID:2924

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log

        Filesize

        1KB

        MD5

        0672db2ef13237d5cb85075ff4915942

        SHA1

        ad8b4d3eb5e40791c47d48b22e273486f25f663f

        SHA256

        0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

        SHA512

        84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

      • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe

        Filesize

        2.6MB

        MD5

        3a04d9108713722bff0fc831f80a898a

        SHA1

        7a8a5964c9cb4498914c8c2ab7b787e48caa5513

        SHA256

        b5742d934342485496ce462c5a10c6ac4ca5e83480f1c733ebd5c00adc1dfaf0

        SHA512

        bf74acad2082ca7273f1a9ad53a86c80f83df9211beb903086bc99c8e1fb00efc43ffacc836fef09a4877caa3b9a3f577835d931854b28acfcb90b9e3fd1c051

      • memory/2196-20-0x00000000069D0000-0x00000000069DA000-memory.dmp

        Filesize

        40KB

      • memory/2196-8-0x0000000005760000-0x0000000005770000-memory.dmp

        Filesize

        64KB

      • memory/2196-21-0x0000000074550000-0x0000000074D00000-memory.dmp

        Filesize

        7.7MB

      • memory/2196-22-0x0000000005760000-0x0000000005770000-memory.dmp

        Filesize

        64KB

      • memory/2196-10-0x0000000005690000-0x00000000056EC000-memory.dmp

        Filesize

        368KB

      • memory/2196-11-0x0000000005D90000-0x0000000006334000-memory.dmp

        Filesize

        5.6MB

      • memory/2196-14-0x0000000005880000-0x0000000005912000-memory.dmp

        Filesize

        584KB

      • memory/2196-15-0x0000000005860000-0x0000000005872000-memory.dmp

        Filesize

        72KB

      • memory/2196-16-0x0000000005870000-0x0000000005878000-memory.dmp

        Filesize

        32KB

      • memory/2196-17-0x0000000005D70000-0x0000000005D88000-memory.dmp

        Filesize

        96KB

      • memory/2196-18-0x0000000006680000-0x0000000006842000-memory.dmp

        Filesize

        1.8MB

      • memory/2196-19-0x00000000064A0000-0x00000000064B0000-memory.dmp

        Filesize

        64KB

      • memory/2196-2-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/2196-7-0x0000000074550000-0x0000000074D00000-memory.dmp

        Filesize

        7.7MB

      • memory/2196-9-0x0000000002FA0000-0x0000000002FAE000-memory.dmp

        Filesize

        56KB

      • memory/3716-24-0x0000000000770000-0x0000000000A1A000-memory.dmp

        Filesize

        2.7MB

      • memory/4292-45-0x0000000074550000-0x0000000074D00000-memory.dmp

        Filesize

        7.7MB

      • memory/4292-37-0x0000000000500000-0x00000000005EA000-memory.dmp

        Filesize

        936KB

      • memory/4292-43-0x0000000074550000-0x0000000074D00000-memory.dmp

        Filesize

        7.7MB

      • memory/4292-44-0x0000000004A10000-0x0000000004A20000-memory.dmp

        Filesize

        64KB

      • memory/4652-36-0x0000000000770000-0x0000000000A1A000-memory.dmp

        Filesize

        2.7MB

      • memory/4872-31-0x0000000074550000-0x0000000074D00000-memory.dmp

        Filesize

        7.7MB

      • memory/4872-32-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

        Filesize

        64KB

      • memory/4872-34-0x0000000074550000-0x0000000074D00000-memory.dmp

        Filesize

        7.7MB

      • memory/5032-1-0x0000000001690000-0x0000000001691000-memory.dmp

        Filesize

        4KB

      • memory/5032-0-0x00000000009E0000-0x0000000000C8A000-memory.dmp

        Filesize

        2.7MB