Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-05-2024 22:18

General

  • Target

    5bc5314a4db8905f3275d7d1f1a9b771_JaffaCakes118.exe

  • Size

    920KB

  • MD5

    5bc5314a4db8905f3275d7d1f1a9b771

  • SHA1

    bd06343900d8cce2dab8ce275e57c6b1e25e0200

  • SHA256

    d8a08d1567bd0fdce1a8860052e2fa652cbf3426e6b3009443bebfc5076f4518

  • SHA512

    5e8f82879ddf7e60496007ff930f3d0422b49ab7c29c26c46fb2394a2ec6984f9b2fe6c7dcf8a5186d9e65f72bfd0c158c66720c43305ff533494c2170528339

  • SSDEEP

    24576:lNL34MROxnFZ3SRM4crrcI0AilFEvxHPyMYoo5:lWMi7SlcrrcI0AilFEvxHP5

Malware Config

Extracted

Family

orcus

C2

195.154.226.17:1338

Mutex

570596513cd24deab77fe8be276acda8

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    true

  • install_path

    %programfiles%\Orcus\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    Orcus

  • watchdog_path

    AppData\v4rt3x.exe

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcus main payload 1 IoCs
  • 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 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5bc5314a4db8905f3275d7d1f1a9b771_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5bc5314a4db8905f3275d7d1f1a9b771_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4416
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:4584
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4436
      • C:\Users\Admin\AppData\Roaming\v4rt3x.exe
        "C:\Users\Admin\AppData\Roaming\v4rt3x.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4436
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1840
        • C:\Users\Admin\AppData\Roaming\v4rt3x.exe
          "C:\Users\Admin\AppData\Roaming\v4rt3x.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4436
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3384
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:3808
  • C:\Program Files (x86)\Orcus\Orcus.exe
    "C:\Program Files (x86)\Orcus\Orcus.exe"
    1⤵
    • Executes dropped EXE
    PID:3772
  • 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 --field-trial-handle=4456,i,6593821857742176458,13646536021844995125,262144 --variations-seed-version --mojo-platform-channel-handle=4200 /prefetch:8
    1⤵
      PID:4820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Orcus\Orcus.exe

      Filesize

      920KB

      MD5

      5bc5314a4db8905f3275d7d1f1a9b771

      SHA1

      bd06343900d8cce2dab8ce275e57c6b1e25e0200

      SHA256

      d8a08d1567bd0fdce1a8860052e2fa652cbf3426e6b3009443bebfc5076f4518

      SHA512

      5e8f82879ddf7e60496007ff930f3d0422b49ab7c29c26c46fb2394a2ec6984f9b2fe6c7dcf8a5186d9e65f72bfd0c158c66720c43305ff533494c2170528339

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\v4rt3x.exe.log

      Filesize

      425B

      MD5

      4eaca4566b22b01cd3bc115b9b0b2196

      SHA1

      e743e0792c19f71740416e7b3c061d9f1336bf94

      SHA256

      34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

      SHA512

      bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

    • C:\Users\Admin\AppData\Roaming\v4rt3x.exe

      Filesize

      9KB

      MD5

      913967b216326e36a08010fb70f9dba3

      SHA1

      7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

      SHA256

      8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

      SHA512

      c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

    • C:\Windows\SysWOW64\WindowsInput.exe

      Filesize

      21KB

      MD5

      e6fcf516d8ed8d0d4427f86e08d0d435

      SHA1

      c7691731583ab7890086635cb7f3e4c22ca5e409

      SHA256

      8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

      SHA512

      c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

    • C:\Windows\SysWOW64\WindowsInput.exe.config

      Filesize

      357B

      MD5

      a2b76cea3a59fa9af5ea21ff68139c98

      SHA1

      35d76475e6a54c168f536e30206578babff58274

      SHA256

      f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

      SHA512

      b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

    • memory/1840-69-0x0000000000DD0000-0x0000000000DD8000-memory.dmp

      Filesize

      32KB

    • memory/3808-33-0x0000000019E40000-0x0000000019F4A000-memory.dmp

      Filesize

      1.0MB

    • memory/3808-32-0x00007FF8AE5C3000-0x00007FF8AE5C5000-memory.dmp

      Filesize

      8KB

    • memory/3808-74-0x00007FF8AE5C3000-0x00007FF8AE5C5000-memory.dmp

      Filesize

      8KB

    • memory/4416-4-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-8-0x0000000005AE0000-0x0000000005B02000-memory.dmp

      Filesize

      136KB

    • memory/4416-7-0x00000000055F0000-0x0000000005602000-memory.dmp

      Filesize

      72KB

    • memory/4416-6-0x0000000005610000-0x00000000056A2000-memory.dmp

      Filesize

      584KB

    • memory/4416-5-0x0000000005B20000-0x00000000060C4000-memory.dmp

      Filesize

      5.6MB

    • memory/4416-3-0x0000000005410000-0x000000000546C000-memory.dmp

      Filesize

      368KB

    • memory/4416-0-0x000000007450E000-0x000000007450F000-memory.dmp

      Filesize

      4KB

    • memory/4416-49-0x0000000074500000-0x0000000074CB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4416-2-0x0000000002E70000-0x0000000002E7E000-memory.dmp

      Filesize

      56KB

    • memory/4416-1-0x00000000009D0000-0x0000000000ABC000-memory.dmp

      Filesize

      944KB

    • memory/4436-50-0x0000000005410000-0x000000000545E000-memory.dmp

      Filesize

      312KB

    • memory/4436-52-0x0000000005CC0000-0x0000000005CD8000-memory.dmp

      Filesize

      96KB

    • memory/4436-53-0x0000000006060000-0x0000000006222000-memory.dmp

      Filesize

      1.8MB

    • memory/4436-54-0x0000000005EA0000-0x0000000005EB0000-memory.dmp

      Filesize

      64KB

    • memory/4436-55-0x0000000005FA0000-0x0000000005FAA000-memory.dmp

      Filesize

      40KB

    • memory/4584-30-0x00007FF8AE1A0000-0x00007FF8AEC61000-memory.dmp

      Filesize

      10.8MB

    • memory/4584-25-0x00000000016C0000-0x00000000016D2000-memory.dmp

      Filesize

      72KB

    • memory/4584-26-0x0000000001720000-0x000000000175C000-memory.dmp

      Filesize

      240KB

    • memory/4584-24-0x00007FF8AE1A0000-0x00007FF8AEC61000-memory.dmp

      Filesize

      10.8MB

    • memory/4584-23-0x00007FF8AE1A3000-0x00007FF8AE1A5000-memory.dmp

      Filesize

      8KB

    • memory/4584-22-0x0000000000EE0000-0x0000000000EEC000-memory.dmp

      Filesize

      48KB