Analysis

  • max time kernel
    147s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 01:02

General

  • Target

    086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe

  • Size

    2.6MB

  • MD5

    479f7e3e973f2776141c58f7e4ed4858

  • SHA1

    5f34a9935ca417ed555a920d6f0cec6c0c00b8a7

  • SHA256

    086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d

  • SHA512

    557cf98d7b1794dd06671c89585e23e5758a03bce7ad1370bd1092750b85fda2845e100875424cf5c7eaf4811b3b38636f8263cc0e7fcf5fbcd935c8c6a5f863

  • SSDEEP

    24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxx9:Hh+ZkldoPKiYdqd61

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\086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.exe
    "C:\Users\Admin\AppData\Local\Temp\086319facaee00df329432b8ccd999fe0ba8a079c64e107deb7e23395e52bf4d.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:3960
    • 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:3500
  • 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=3740 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2656
    • 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:552
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:3452
        • 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:1516
      • 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:2056
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
            PID:820
          • 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:2124

        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

          aa80016c4d206ef129b14b5e2a51a12c

          SHA1

          361d21f0f22c0b251469cb1d287711b2365be6f2

          SHA256

          945faf8cc27a12313227d884014be17126a96b57e565f5fcb4127474ad2a5e54

          SHA512

          454b14a37ee7315d3b8949c9b33143d66caa2d5c7633e7e1a7abc807dbbed750b4c5b0e9457381361d76306467ab2700b1ea8aed3ab8fa78d76a8bba29d8579e

        • memory/552-17-0x0000000000120000-0x00000000003CA000-memory.dmp

          Filesize

          2.7MB

        • memory/820-45-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/820-44-0x0000000005690000-0x00000000056A0000-memory.dmp

          Filesize

          64KB

        • memory/820-43-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/2056-36-0x0000000000120000-0x00000000003CA000-memory.dmp

          Filesize

          2.7MB

        • memory/3452-34-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/3452-26-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

          Filesize

          64KB

        • memory/3452-25-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/3960-19-0x0000000005330000-0x0000000005340000-memory.dmp

          Filesize

          64KB

        • memory/3960-31-0x0000000005310000-0x0000000005320000-memory.dmp

          Filesize

          64KB

        • memory/3960-2-0x0000000000400000-0x00000000004EA000-memory.dmp

          Filesize

          936KB

        • memory/3960-14-0x00000000051F0000-0x0000000005282000-memory.dmp

          Filesize

          584KB

        • memory/3960-13-0x00000000058F0000-0x0000000005E94000-memory.dmp

          Filesize

          5.6MB

        • memory/3960-27-0x0000000005130000-0x0000000005142000-memory.dmp

          Filesize

          72KB

        • memory/3960-28-0x00000000051D0000-0x00000000051D8000-memory.dmp

          Filesize

          32KB

        • memory/3960-29-0x00000000052D0000-0x00000000052E8000-memory.dmp

          Filesize

          96KB

        • memory/3960-30-0x0000000006070000-0x0000000006232000-memory.dmp

          Filesize

          1.8MB

        • memory/3960-15-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/3960-32-0x0000000006480000-0x000000000648A000-memory.dmp

          Filesize

          40KB

        • memory/3960-12-0x0000000005030000-0x000000000508C000-memory.dmp

          Filesize

          368KB

        • memory/3960-11-0x0000000002A90000-0x0000000002A9E000-memory.dmp

          Filesize

          56KB

        • memory/3960-8-0x0000000005330000-0x0000000005340000-memory.dmp

          Filesize

          64KB

        • memory/3960-7-0x0000000073EA0000-0x0000000074650000-memory.dmp

          Filesize

          7.7MB

        • memory/5076-0-0x00000000007A0000-0x0000000000A4A000-memory.dmp

          Filesize

          2.7MB

        • memory/5076-1-0x00000000042C0000-0x00000000042C1000-memory.dmp

          Filesize

          4KB