Analysis

  • max time kernel
    147s
  • max time network
    153s
  • 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

    c1bb4878d2985dd8077358a034652f3ee13d8d22a92d407757538dd7fc667105.exe

  • Size

    2.6MB

  • MD5

    be8f80724df234482960ce23d1ba3775

  • SHA1

    2479394e9d3febf89636f427d5eb3faaec864465

  • SHA256

    c1bb4878d2985dd8077358a034652f3ee13d8d22a92d407757538dd7fc667105

  • SHA512

    90474b7659d9d31cbcfe8c946d3bbaec14b9f851b64f7d4f209c8dd3fcd99c82a9f6aed4c478bb64e597a33db09ad35c117804c5c89e2092f26a4bf1d21ff5a1

  • SSDEEP

    24576:SAHnh+eWsN3skA4RV1Hom2KXSmHdK3VqbE6przwKpwvEuM/SD0wugdDEl6NrL/ND:Vh+ZkldoPKiYdKr9N

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\c1bb4878d2985dd8077358a034652f3ee13d8d22a92d407757538dd7fc667105.exe
    "C:\Users\Admin\AppData\Local\Temp\c1bb4878d2985dd8077358a034652f3ee13d8d22a92d407757538dd7fc667105.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2132
    • 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:1992
    • 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:4036
    • 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\c1bb4878d2985dd8077358a034652f3ee13d8d22a92d407757538dd7fc667105.exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:880
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -t 0
        3⤵
        • Runs ping.exe
        PID:3612
  • 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=3856 --field-trial-handle=2700,i,14629483171127516024,12350888228055326066,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3020
    • 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:2360
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:4528
        • 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:1576
      • 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:2232
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
            PID:1392
          • 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:4740

        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

          315702d8abf5ff8fb668616614e36a51

          SHA1

          b0b298a04102111314b96b70fac4efa0ff88ec87

          SHA256

          5fdb9abf501285ad890b82df2f072a70cfbffa0d1d0b5af012c0532941a1ed29

          SHA512

          e48cc8c9eb6fdc3b7bf15f1aa236a9c741fde1d675ce880532d33fd68a82e5e0e69c703edef27c66d1ba4bc77fe561432d0079da28aa57c735494a2d3f1c7f7a

        • memory/1392-45-0x0000000073DE0000-0x0000000074590000-memory.dmp

          Filesize

          7.7MB

        • memory/1392-43-0x0000000073DE0000-0x0000000074590000-memory.dmp

          Filesize

          7.7MB

        • memory/1392-44-0x00000000057A0000-0x00000000057B0000-memory.dmp

          Filesize

          64KB

        • memory/1992-18-0x0000000006420000-0x00000000065E2000-memory.dmp

          Filesize

          1.8MB

        • memory/1992-22-0x0000000005570000-0x0000000005580000-memory.dmp

          Filesize

          64KB

        • memory/1992-11-0x0000000005B30000-0x00000000060D4000-memory.dmp

          Filesize

          5.6MB

        • memory/1992-12-0x0000000005620000-0x00000000056B2000-memory.dmp

          Filesize

          584KB

        • memory/1992-15-0x0000000005560000-0x0000000005572000-memory.dmp

          Filesize

          72KB

        • memory/1992-16-0x0000000005600000-0x0000000005608000-memory.dmp

          Filesize

          32KB

        • memory/1992-17-0x0000000005B00000-0x0000000005B18000-memory.dmp

          Filesize

          96KB

        • memory/1992-2-0x0000000000400000-0x00000000004EA000-memory.dmp

          Filesize

          936KB

        • memory/1992-19-0x0000000006250000-0x0000000006260000-memory.dmp

          Filesize

          64KB

        • memory/1992-20-0x0000000006410000-0x000000000641A000-memory.dmp

          Filesize

          40KB

        • memory/1992-21-0x0000000073DE0000-0x0000000074590000-memory.dmp

          Filesize

          7.7MB

        • memory/1992-10-0x0000000005420000-0x000000000547C000-memory.dmp

          Filesize

          368KB

        • memory/1992-9-0x0000000005410000-0x000000000541E000-memory.dmp

          Filesize

          56KB

        • memory/1992-7-0x0000000073DE0000-0x0000000074590000-memory.dmp

          Filesize

          7.7MB

        • memory/1992-8-0x0000000005570000-0x0000000005580000-memory.dmp

          Filesize

          64KB

        • memory/2132-0-0x0000000000AA0000-0x0000000000D4A000-memory.dmp

          Filesize

          2.7MB

        • memory/2132-1-0x0000000001690000-0x0000000001691000-memory.dmp

          Filesize

          4KB

        • memory/2232-36-0x00000000002B0000-0x000000000055A000-memory.dmp

          Filesize

          2.7MB

        • memory/2360-24-0x00000000002B0000-0x000000000055A000-memory.dmp

          Filesize

          2.7MB

        • memory/4528-32-0x0000000002DA0000-0x0000000002DB0000-memory.dmp

          Filesize

          64KB

        • memory/4528-34-0x0000000073DE0000-0x0000000074590000-memory.dmp

          Filesize

          7.7MB

        • memory/4528-31-0x0000000073DE0000-0x0000000074590000-memory.dmp

          Filesize

          7.7MB