Analysis

  • max time kernel
    152s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-04-2024 02:03

General

  • Target

    35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe

  • Size

    2.6MB

  • MD5

    be991555f781db551f8e8e568ebd7222

  • SHA1

    49d21b445b7795e1c1e9152507b8a6a732ffde4a

  • SHA256

    35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d

  • SHA512

    7f3c11544e8ade57b66b9716a80c1d9a9b7654da005a3e1d5ddafa3d983bca023df301b785ce916d82cce1eea92b756beb706a6ff733d847f7bdd369842d5a59

  • SSDEEP

    24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxx2:Hh+ZkldoPKiYdqd6u

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 3 IoCs
  • AutoIT Executable 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 4 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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe
    "C:\Users\Admin\AppData\Local\Temp\35c6377b0c4a3b0dc6014e2e2dce54f580dd4c0082af783b7978c6472e8a699d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3256
    • 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:3800
  • 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:4956
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2324
      • 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:4724
    • 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=4080 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3292
      • 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:3488
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
            PID:1556
          • 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:4588
        • C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
          C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
          1⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2480
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
            2⤵
              PID:4388

          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

            a4e0e9fd4390250f0151419097b622ea

            SHA1

            65a06fa9bc7bff9dbf15915b7df5ff2dceedd506

            SHA256

            a808efb23e9bcc36db101975e79804b3b4bc7b73ad74f0672a1d9051a9c02672

            SHA512

            19a6048464bf7c496416f51f2e7584c5ab404b795cd262c8272829141e3b230c9c06e15b1710084cfc64803d19d8c60f8bdc9383c2341344da3d8996bb3ceee2

          • memory/1556-44-0x0000000073F80000-0x0000000074730000-memory.dmp

            Filesize

            7.7MB

          • memory/1556-43-0x00000000056F0000-0x0000000005700000-memory.dmp

            Filesize

            64KB

          • memory/1556-42-0x0000000073F80000-0x0000000074730000-memory.dmp

            Filesize

            7.7MB

          • memory/2324-33-0x0000000073F80000-0x0000000074730000-memory.dmp

            Filesize

            7.7MB

          • memory/2324-31-0x0000000073F80000-0x0000000074730000-memory.dmp

            Filesize

            7.7MB

          • memory/2480-46-0x0000000000730000-0x00000000009DA000-memory.dmp

            Filesize

            2.7MB

          • memory/3256-1-0x0000000004520000-0x0000000004521000-memory.dmp

            Filesize

            4KB

          • memory/3256-0-0x00000000006F0000-0x000000000099A000-memory.dmp

            Filesize

            2.7MB

          • memory/3488-35-0x0000000000730000-0x00000000009DA000-memory.dmp

            Filesize

            2.7MB

          • memory/3960-13-0x0000000005C50000-0x00000000061F4000-memory.dmp

            Filesize

            5.6MB

          • memory/3960-10-0x0000000005610000-0x0000000005620000-memory.dmp

            Filesize

            64KB

          • memory/3960-18-0x00000000065D0000-0x0000000006792000-memory.dmp

            Filesize

            1.8MB

          • memory/3960-20-0x00000000065C0000-0x00000000065CA000-memory.dmp

            Filesize

            40KB

          • memory/3960-17-0x0000000005BB0000-0x0000000005BC8000-memory.dmp

            Filesize

            96KB

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

            Filesize

            936KB

          • memory/3960-29-0x0000000073F80000-0x0000000074730000-memory.dmp

            Filesize

            7.7MB

          • memory/3960-30-0x0000000005610000-0x0000000005620000-memory.dmp

            Filesize

            64KB

          • memory/3960-16-0x0000000005770000-0x0000000005778000-memory.dmp

            Filesize

            32KB

          • memory/3960-15-0x0000000005760000-0x0000000005772000-memory.dmp

            Filesize

            72KB

          • memory/3960-14-0x0000000005780000-0x0000000005812000-memory.dmp

            Filesize

            584KB

          • memory/3960-12-0x0000000005620000-0x000000000567C000-memory.dmp

            Filesize

            368KB

          • memory/3960-11-0x00000000055C0000-0x00000000055CE000-memory.dmp

            Filesize

            56KB

          • memory/3960-19-0x0000000006400000-0x0000000006410000-memory.dmp

            Filesize

            64KB

          • memory/3960-7-0x0000000073F80000-0x0000000074730000-memory.dmp

            Filesize

            7.7MB

          • memory/4388-47-0x0000000000500000-0x00000000005EA000-memory.dmp

            Filesize

            936KB

          • memory/4388-52-0x0000000073F80000-0x0000000074730000-memory.dmp

            Filesize

            7.7MB

          • memory/4956-22-0x0000000000730000-0x00000000009DA000-memory.dmp

            Filesize

            2.7MB