Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 02:15

General

  • Target

    b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe

  • Size

    2.6MB

  • MD5

    c823da71212745fc28bc1db3a945195a

  • SHA1

    0babf35f07567cff0b9fc9a2d66dcb21d45a24ae

  • SHA256

    b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3

  • SHA512

    09524ed1afe09b289fbbe1629e9d266ca99ab7668d86851fb78bdfb5471ed2266bc2dab6d556c77b00601dce451fef6642c07da5519e3cd7e768663a1120b938

  • SSDEEP

    24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxy:Hh+ZkldoPKiYdqd6K

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\b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe
    "C:\Users\Admin\AppData\Local\Temp\b97d9b589c2931147eab41d5ee99b319abe99ab395eed4f98b38317ba4bdc0e3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:628
    • 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:1684
    • 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:2768
  • 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:4140
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:3232
      • 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:392
    • 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:3940
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:3612
        • 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:5084

      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

        e03a919812beef6ab4183b7597c019fa

        SHA1

        8848d8a1cdadeab2eb2da543555be78f9d13fadc

        SHA256

        03eaface161ce6fb3d9cdecd829b8d0b9b91a6aa6a8fe3033b8c1e803140d1cd

        SHA512

        d7608ddbd757b0bc3d7579c5418d0f4fb8133e3200ffbf56fc5b9115ce42f32b14cf3435f62c8735cf6e240633fd6450667ac53832018b816cf4f566ca6f706e

      • memory/628-0-0x00000000002B0000-0x000000000055A000-memory.dmp

        Filesize

        2.7MB

      • memory/628-3-0x0000000003F20000-0x0000000003F21000-memory.dmp

        Filesize

        4KB

      • memory/1684-20-0x00000000066D0000-0x00000000066DA000-memory.dmp

        Filesize

        40KB

      • memory/1684-21-0x0000000073830000-0x0000000073FE0000-memory.dmp

        Filesize

        7.7MB

      • memory/1684-10-0x00000000053A0000-0x00000000053FC000-memory.dmp

        Filesize

        368KB

      • memory/1684-13-0x00000000059D0000-0x0000000005F74000-memory.dmp

        Filesize

        5.6MB

      • memory/1684-14-0x0000000005540000-0x00000000055D2000-memory.dmp

        Filesize

        584KB

      • memory/1684-16-0x0000000005530000-0x0000000005538000-memory.dmp

        Filesize

        32KB

      • memory/1684-15-0x0000000005520000-0x0000000005532000-memory.dmp

        Filesize

        72KB

      • memory/1684-17-0x0000000005970000-0x0000000005988000-memory.dmp

        Filesize

        96KB

      • memory/1684-18-0x00000000063A0000-0x0000000006562000-memory.dmp

        Filesize

        1.8MB

      • memory/1684-19-0x00000000061C0000-0x00000000061D0000-memory.dmp

        Filesize

        64KB

      • memory/1684-8-0x0000000002D80000-0x0000000002D90000-memory.dmp

        Filesize

        64KB

      • memory/1684-9-0x0000000005390000-0x000000000539E000-memory.dmp

        Filesize

        56KB

      • memory/1684-22-0x0000000002D80000-0x0000000002D90000-memory.dmp

        Filesize

        64KB

      • memory/1684-7-0x0000000073830000-0x0000000073FE0000-memory.dmp

        Filesize

        7.7MB

      • memory/1684-1-0x0000000000400000-0x00000000004EA000-memory.dmp

        Filesize

        936KB

      • memory/3232-26-0x0000000000630000-0x000000000071A000-memory.dmp

        Filesize

        936KB

      • memory/3232-31-0x0000000073830000-0x0000000073FE0000-memory.dmp

        Filesize

        7.7MB

      • memory/3232-32-0x0000000004B20000-0x0000000004B30000-memory.dmp

        Filesize

        64KB

      • memory/3232-34-0x0000000073830000-0x0000000073FE0000-memory.dmp

        Filesize

        7.7MB

      • memory/3612-44-0x0000000005350000-0x0000000005360000-memory.dmp

        Filesize

        64KB

      • memory/3612-43-0x0000000073830000-0x0000000073FE0000-memory.dmp

        Filesize

        7.7MB

      • memory/3612-45-0x0000000073830000-0x0000000073FE0000-memory.dmp

        Filesize

        7.7MB

      • memory/3940-36-0x0000000000200000-0x00000000004AA000-memory.dmp

        Filesize

        2.7MB

      • memory/4140-24-0x0000000000200000-0x00000000004AA000-memory.dmp

        Filesize

        2.7MB