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Analysis

  • max time kernel
    151s
  • 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
    24/04/2024, 02:06

General

  • Target

    e9f459ddaf4961c54b95ebe376e811b80023517ce4cc0ad7c4d9371c273709b1.exe

  • Size

    2.6MB

  • MD5

    40926040980e5d4c8269d06c26d8982f

  • SHA1

    034db414994319cc08ca6a29eea8227537ec4ee5

  • SHA256

    e9f459ddaf4961c54b95ebe376e811b80023517ce4cc0ad7c4d9371c273709b1

  • SHA512

    cf0209da22303a91e8bf487640f9dd38820017fb7a93dcc5dca809fc6290e0070ca10e801c7d0be49efcca5bf1eddf21708f8437516fb78648d5a67970cd4944

  • SSDEEP

    24576:QAHnh+eWsN3skA4RV1Hom2KXSmHdqf0K44JzixdvW80EXLq31gEfUvWDyBFZpxxr:Hh+ZkldoPKiYdqd6z

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\e9f459ddaf4961c54b95ebe376e811b80023517ce4cc0ad7c4d9371c273709b1.exe
    "C:\Users\Admin\AppData\Local\Temp\e9f459ddaf4961c54b95ebe376e811b80023517ce4cc0ad7c4d9371c273709b1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2320
    • 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:3500
    • 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:1532
  • 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=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3612
    • 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:1176
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:3172
        • 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:4432
      • 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:644
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
            PID:3140
          • 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:3556

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        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

          6be61a59a348c81e6a99c060e29a506c

          SHA1

          6cdb46ccdeba430daf17bae7d6045159db03de55

          SHA256

          009b87bc7cdcc1b4a2cbbae64944dce0ecc23b5f611d749e8b1d1d78c4f2bb71

          SHA512

          2349e9ced526db7abc90fe3df9cc6b93dec22be4734c962159ceff290dc95c0385aeb38e917d1ee874fdc3e385799337aa09993d815d2ab5ffdd60ab98c15f92

        • memory/644-36-0x00000000000B0000-0x000000000035A000-memory.dmp

          Filesize

          2.7MB

        • memory/1176-23-0x00000000000B0000-0x000000000035A000-memory.dmp

          Filesize

          2.7MB

        • memory/2320-0-0x0000000000010000-0x00000000002BA000-memory.dmp

          Filesize

          2.7MB

        • memory/2320-1-0x0000000003650000-0x0000000003651000-memory.dmp

          Filesize

          4KB

        • memory/3140-45-0x0000000073700000-0x0000000073EB0000-memory.dmp

          Filesize

          7.7MB

        • memory/3140-44-0x0000000005400000-0x0000000005410000-memory.dmp

          Filesize

          64KB

        • memory/3140-43-0x0000000073700000-0x0000000073EB0000-memory.dmp

          Filesize

          7.7MB

        • memory/3172-34-0x0000000073700000-0x0000000073EB0000-memory.dmp

          Filesize

          7.7MB

        • memory/3172-32-0x00000000056D0000-0x00000000056E0000-memory.dmp

          Filesize

          64KB

        • memory/3172-31-0x0000000073700000-0x0000000073EB0000-memory.dmp

          Filesize

          7.7MB

        • memory/3500-18-0x0000000006750000-0x0000000006912000-memory.dmp

          Filesize

          1.8MB

        • memory/3500-15-0x00000000058A0000-0x00000000058B2000-memory.dmp

          Filesize

          72KB

        • memory/3500-20-0x00000000065D0000-0x00000000065DA000-memory.dmp

          Filesize

          40KB

        • memory/3500-21-0x0000000073700000-0x0000000073EB0000-memory.dmp

          Filesize

          7.7MB

        • memory/3500-17-0x0000000005E50000-0x0000000005E68000-memory.dmp

          Filesize

          96KB

        • memory/3500-16-0x00000000058B0000-0x00000000058B8000-memory.dmp

          Filesize

          32KB

        • memory/3500-25-0x0000000005860000-0x0000000005870000-memory.dmp

          Filesize

          64KB

        • memory/3500-19-0x0000000006590000-0x00000000065A0000-memory.dmp

          Filesize

          64KB

        • memory/3500-12-0x0000000005970000-0x0000000005A02000-memory.dmp

          Filesize

          584KB

        • memory/3500-11-0x0000000005E80000-0x0000000006424000-memory.dmp

          Filesize

          5.6MB

        • memory/3500-10-0x00000000057A0000-0x00000000057FC000-memory.dmp

          Filesize

          368KB

        • memory/3500-9-0x00000000031A0000-0x00000000031AE000-memory.dmp

          Filesize

          56KB

        • memory/3500-8-0x0000000005860000-0x0000000005870000-memory.dmp

          Filesize

          64KB

        • memory/3500-7-0x0000000073700000-0x0000000073EB0000-memory.dmp

          Filesize

          7.7MB

        • memory/3500-2-0x0000000000400000-0x00000000004EA000-memory.dmp

          Filesize

          936KB