Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-04-2024 02:04

General

  • Target

    368270f55118e792a84c77cb2cbbf20c64a1cad367bf24a69dc7c8438472756a.exe

  • Size

    2.6MB

  • MD5

    9fa6c75f691ff913ef2f95b906016a48

  • SHA1

    ac863bdf74e86d7efea88af16011c63aa19e0ead

  • SHA256

    368270f55118e792a84c77cb2cbbf20c64a1cad367bf24a69dc7c8438472756a

  • SHA512

    8d4eb29dc5c298fbf1960e3c4d651dd1f090cdf35470fc384a4c111c79b81012bd44cbc2c9b9a987a2b93779b3afe4f06f3d91d98c93a30409307fc1cddcf09d

  • SSDEEP

    24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxx6:Hh+ZkldoPKiYdqd6S

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\368270f55118e792a84c77cb2cbbf20c64a1cad367bf24a69dc7c8438472756a.exe
    "C:\Users\Admin\AppData\Local\Temp\368270f55118e792a84c77cb2cbbf20c64a1cad367bf24a69dc7c8438472756a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3324
    • 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:2356
    • 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:5036
  • 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:2412
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:3484
      • 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:3776
    • 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:4696
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:5068
        • 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:2140

      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

        ddb3bd5ee7705e15b25f15e44c6289d5

        SHA1

        f7ea394b0987d3ba5a648901bf2efedc05983a4a

        SHA256

        f6ded3ead577f9e151f8526917bde7f77b258348696d3b4d151879623e74941e

        SHA512

        be7a3a3da7c8bf93f0f662ad9da5836601be58e194d2eb316e83436bcd969a71099fd18010e40ec56cc631d85b52713891ecefe64f118d1f44ab8126a8c674dc

      • memory/2356-18-0x0000000005BF0000-0x0000000005DB2000-memory.dmp

        Filesize

        1.8MB

      • memory/2356-7-0x0000000073B60000-0x0000000074310000-memory.dmp

        Filesize

        7.7MB

      • memory/2356-20-0x0000000005DC0000-0x0000000005DCA000-memory.dmp

        Filesize

        40KB

      • memory/2356-9-0x0000000004B40000-0x0000000004B4E000-memory.dmp

        Filesize

        56KB

      • memory/2356-21-0x0000000073B60000-0x0000000074310000-memory.dmp

        Filesize

        7.7MB

      • memory/2356-13-0x0000000005270000-0x0000000005814000-memory.dmp

        Filesize

        5.6MB

      • memory/2356-14-0x0000000004D70000-0x0000000004E02000-memory.dmp

        Filesize

        584KB

      • memory/2356-15-0x0000000004D50000-0x0000000004D62000-memory.dmp

        Filesize

        72KB

      • memory/2356-16-0x0000000004D60000-0x0000000004D68000-memory.dmp

        Filesize

        32KB

      • memory/2356-17-0x00000000051A0000-0x00000000051B8000-memory.dmp

        Filesize

        96KB

      • memory/2356-1-0x0000000000700000-0x00000000007EA000-memory.dmp

        Filesize

        936KB

      • memory/2356-19-0x0000000005240000-0x0000000005250000-memory.dmp

        Filesize

        64KB

      • memory/2356-8-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

        Filesize

        64KB

      • memory/2356-10-0x0000000004BF0000-0x0000000004C4C000-memory.dmp

        Filesize

        368KB

      • memory/2412-23-0x0000000000FF0000-0x000000000129A000-memory.dmp

        Filesize

        2.7MB

      • memory/3324-3-0x0000000003D00000-0x0000000003D01000-memory.dmp

        Filesize

        4KB

      • memory/3324-0-0x0000000000020000-0x00000000002CA000-memory.dmp

        Filesize

        2.7MB

      • memory/3484-25-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/3484-31-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

        Filesize

        64KB

      • memory/3484-30-0x0000000073B60000-0x0000000074310000-memory.dmp

        Filesize

        7.7MB

      • memory/3484-33-0x0000000073B60000-0x0000000074310000-memory.dmp

        Filesize

        7.7MB

      • memory/4696-35-0x0000000000FF0000-0x000000000129A000-memory.dmp

        Filesize

        2.7MB

      • memory/5068-42-0x0000000073B60000-0x0000000074310000-memory.dmp

        Filesize

        7.7MB

      • memory/5068-43-0x0000000005170000-0x0000000005180000-memory.dmp

        Filesize

        64KB

      • memory/5068-44-0x0000000073B60000-0x0000000074310000-memory.dmp

        Filesize

        7.7MB