Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2024 02:24

General

  • Target

    c4cd5c0d946bce563843ac18c61c373b6265df3923f69bd3c80cd22c6f7c85b1.exe

  • Size

    2.6MB

  • MD5

    13c3a034cd26d3cae08b857e626157fc

  • SHA1

    490e2ac6001bb07e1c3f782398a388d6a91ee84b

  • SHA256

    c4cd5c0d946bce563843ac18c61c373b6265df3923f69bd3c80cd22c6f7c85b1

  • SHA512

    15a187ed32dacdb2025af43dd9de0794ccb62c40d05c2a2ec17ae0a3a67ac79698f5415ab10a057cc2acfcc3ff657a12ab7234c8b443fad563665345fbb10dca

  • SSDEEP

    24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxq:Hh+ZkldoPKiYdqd6i

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 1 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\c4cd5c0d946bce563843ac18c61c373b6265df3923f69bd3c80cd22c6f7c85b1.exe
    "C:\Users\Admin\AppData\Local\Temp\c4cd5c0d946bce563843ac18c61c373b6265df3923f69bd3c80cd22c6f7c85b1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:736
    • 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:4524
    • 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:3592
  • 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:556
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2848
      • 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:4724
    • 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:4284
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:2964
        • 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:3160

      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

        3e904795b37fb4279723dd16a43811c6

        SHA1

        e6932cd2a9d5f801378c5d88d4ff57f111fa8941

        SHA256

        46292c6d7f08e3a9bdc673550c275797b158fa860409c9895bf96e09156de281

        SHA512

        6a09dee2e9fdce359802b5839db7f7f2d6666357442b1a736da321d65bf4b88e8ca685a07cc2597b520cd5944fb558fd007e62b2a11f03f8c2cca4e8c4c81ac9

      • memory/556-24-0x00000000005A0000-0x000000000084A000-memory.dmp

        Filesize

        2.7MB

      • memory/736-1-0x0000000001710000-0x0000000001711000-memory.dmp

        Filesize

        4KB

      • memory/736-0-0x0000000000AB0000-0x0000000000D5A000-memory.dmp

        Filesize

        2.7MB

      • memory/2848-34-0x00000000743A0000-0x0000000074B50000-memory.dmp

        Filesize

        7.7MB

      • memory/2848-32-0x0000000005760000-0x0000000005770000-memory.dmp

        Filesize

        64KB

      • memory/2848-31-0x00000000743A0000-0x0000000074B50000-memory.dmp

        Filesize

        7.7MB

      • memory/2964-45-0x00000000743A0000-0x0000000074B50000-memory.dmp

        Filesize

        7.7MB

      • memory/2964-44-0x0000000005090000-0x00000000050A0000-memory.dmp

        Filesize

        64KB

      • memory/2964-43-0x00000000743A0000-0x0000000074B50000-memory.dmp

        Filesize

        7.7MB

      • memory/4284-36-0x00000000005A0000-0x000000000084A000-memory.dmp

        Filesize

        2.7MB

      • memory/4524-10-0x0000000004AB0000-0x0000000004B0C000-memory.dmp

        Filesize

        368KB

      • memory/4524-16-0x0000000004C10000-0x0000000004C18000-memory.dmp

        Filesize

        32KB

      • memory/4524-20-0x0000000005DB0000-0x0000000005DBA000-memory.dmp

        Filesize

        40KB

      • memory/4524-21-0x00000000743A0000-0x0000000074B50000-memory.dmp

        Filesize

        7.7MB

      • memory/4524-22-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

        Filesize

        64KB

      • memory/4524-18-0x0000000005A90000-0x0000000005C52000-memory.dmp

        Filesize

        1.8MB

      • memory/4524-17-0x0000000005050000-0x0000000005068000-memory.dmp

        Filesize

        96KB

      • memory/4524-19-0x00000000050F0000-0x0000000005100000-memory.dmp

        Filesize

        64KB

      • memory/4524-15-0x0000000004C00000-0x0000000004C12000-memory.dmp

        Filesize

        72KB

      • memory/4524-14-0x0000000004C20000-0x0000000004CB2000-memory.dmp

        Filesize

        584KB

      • memory/4524-11-0x0000000005110000-0x00000000056B4000-memory.dmp

        Filesize

        5.6MB

      • memory/4524-9-0x0000000002500000-0x000000000250E000-memory.dmp

        Filesize

        56KB

      • memory/4524-8-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

        Filesize

        64KB

      • memory/4524-7-0x00000000743A0000-0x0000000074B50000-memory.dmp

        Filesize

        7.7MB

      • memory/4524-2-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB