Analysis

  • max time kernel
    147s
  • max time network
    159s
  • 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 01:50

General

  • Target

    d6ac723ad6c3708612c5f636eb9312b5b56f1f2d42621286cb01a52dcde7d440.exe

  • Size

    2.6MB

  • MD5

    8471f457a12c512aafaea1b4ed4478f8

  • SHA1

    2e23e6fb3a549705154a13da70aa7dca47018032

  • SHA256

    d6ac723ad6c3708612c5f636eb9312b5b56f1f2d42621286cb01a52dcde7d440

  • SHA512

    68353f3b95bd20d18243cbbaf4de13c3b6f17820802b19a60eb80414000424882be697d085726db5e7b52f4a4f8c3927cba4c51f010deae03c59b6b6a5aedaf4

  • SSDEEP

    24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/Nw:Vh+ZkldoPKiYdKr9y

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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6ac723ad6c3708612c5f636eb9312b5b56f1f2d42621286cb01a52dcde7d440.exe
    "C:\Users\Admin\AppData\Local\Temp\d6ac723ad6c3708612c5f636eb9312b5b56f1f2d42621286cb01a52dcde7d440.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5076
    • 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:4448
    • 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:3168
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /k ping 127.0.0.1 -t 0 & del C:\Users\Admin\AppData\Local\Temp\d6ac723ad6c3708612c5f636eb9312b5b56f1f2d42621286cb01a52dcde7d440.exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3244
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -t 0
        3⤵
        • Runs ping.exe
        PID:4060
  • 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:2660
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4216
      • 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
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4692
      • 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:4604
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
            PID:2428
          • 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:1588

        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

          255c36ebb3e50d158c82367007623a5b

          SHA1

          bde4956ed796033953989cce6352c69b9a029762

          SHA256

          1cdd5c6113c79e181c0ea07aca9f58f02934d72f5144257f9a0075f7782b57ff

          SHA512

          0cd08ef391c9d624ba61227959b59a99f6689fdf2b8585e301c168532ea7fa64017399ebb6aa454678b5076fcc9e6ba0521cd8d04382d224f7c0a203f290db6f

        • memory/2428-45-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/2428-44-0x00000000055E0000-0x00000000055F0000-memory.dmp

          Filesize

          64KB

        • memory/2428-43-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/2660-24-0x0000000000AC0000-0x0000000000D6A000-memory.dmp

          Filesize

          2.7MB

        • memory/4216-34-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/4216-32-0x0000000005840000-0x0000000005850000-memory.dmp

          Filesize

          64KB

        • memory/4216-31-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/4448-12-0x0000000005200000-0x000000000525C000-memory.dmp

          Filesize

          368KB

        • memory/4448-14-0x0000000005370000-0x0000000005402000-memory.dmp

          Filesize

          584KB

        • memory/4448-17-0x00000000058A0000-0x00000000058B8000-memory.dmp

          Filesize

          96KB

        • memory/4448-18-0x00000000061B0000-0x0000000006372000-memory.dmp

          Filesize

          1.8MB

        • memory/4448-19-0x0000000005FF0000-0x0000000006000000-memory.dmp

          Filesize

          64KB

        • memory/4448-20-0x0000000006500000-0x000000000650A000-memory.dmp

          Filesize

          40KB

        • memory/4448-21-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/4448-22-0x00000000052A0000-0x00000000052B0000-memory.dmp

          Filesize

          64KB

        • memory/4448-15-0x0000000005340000-0x0000000005352000-memory.dmp

          Filesize

          72KB

        • memory/4448-16-0x0000000005350000-0x0000000005358000-memory.dmp

          Filesize

          32KB

        • memory/4448-13-0x0000000005920000-0x0000000005EC4000-memory.dmp

          Filesize

          5.6MB

        • memory/4448-2-0x0000000000400000-0x00000000004EA000-memory.dmp

          Filesize

          936KB

        • memory/4448-11-0x0000000002CF0000-0x0000000002CFE000-memory.dmp

          Filesize

          56KB

        • memory/4448-7-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/4448-8-0x00000000052A0000-0x00000000052B0000-memory.dmp

          Filesize

          64KB

        • memory/4604-36-0x0000000000AC0000-0x0000000000D6A000-memory.dmp

          Filesize

          2.7MB

        • memory/5076-0-0x0000000000DA0000-0x000000000104A000-memory.dmp

          Filesize

          2.7MB

        • memory/5076-1-0x0000000001110000-0x0000000001111000-memory.dmp

          Filesize

          4KB