Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-01-2025 01:21

General

  • Target

    cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe

  • Size

    912KB

  • MD5

    b3b92d61c47974e2b4534a6b6dadc3fd

  • SHA1

    51543803f6c78b5369d719b604419acced0bf7cb

  • SHA256

    cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1

  • SHA512

    6555440da95c24ecfb48672c2b1e92cdff8e5e33b5394139bcb9dd1a6c3e5b80caa3fe69b39580da9ee4c8ec4f4e7c80c51d2f4bd762b4dd96cbc3598c87569b

  • SSDEEP

    12288:R0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNCObCOYPOlJVzKepke+w7dG1lFlz:YKa4MROxnFLHbrrcI0AilFEvxHPcooW

Malware Config

Extracted

Family

orcus

Botnet

lois injkector

C2

92.35.5.56:20001

Mutex

1052ddefbec0498084c332483d4c94fd

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\OrcusWatchdog.exe

Signatures

  • Orcus

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

  • Orcus family
  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe
    "C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:1512
    • C:\Program Files (x86)\Orcus\Orcus.exe
      "C:\Program Files (x86)\Orcus\Orcus.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:996
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:4972
  • C:\Program Files (x86)\Orcus\Orcus.exe
    "C:\Program Files (x86)\Orcus\Orcus.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    912KB

    MD5

    b3b92d61c47974e2b4534a6b6dadc3fd

    SHA1

    51543803f6c78b5369d719b604419acced0bf7cb

    SHA256

    cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1

    SHA512

    6555440da95c24ecfb48672c2b1e92cdff8e5e33b5394139bcb9dd1a6c3e5b80caa3fe69b39580da9ee4c8ec4f4e7c80c51d2f4bd762b4dd96cbc3598c87569b

  • 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/996-54-0x0000000005C50000-0x0000000005E12000-memory.dmp

    Filesize

    1.8MB

  • memory/996-53-0x0000000005890000-0x00000000058A8000-memory.dmp

    Filesize

    96KB

  • memory/996-51-0x0000000004FC0000-0x000000000500E000-memory.dmp

    Filesize

    312KB

  • memory/996-55-0x0000000005A70000-0x0000000005A80000-memory.dmp

    Filesize

    64KB

  • memory/996-56-0x0000000005F70000-0x0000000005F7A000-memory.dmp

    Filesize

    40KB

  • memory/1512-25-0x0000000002A90000-0x0000000002AA2000-memory.dmp

    Filesize

    72KB

  • memory/1512-31-0x00007FFEAA390000-0x00007FFEAAE51000-memory.dmp

    Filesize

    10.8MB

  • memory/1512-27-0x00007FFEAA390000-0x00007FFEAAE51000-memory.dmp

    Filesize

    10.8MB

  • memory/1512-26-0x000000001B5F0000-0x000000001B62C000-memory.dmp

    Filesize

    240KB

  • memory/1512-23-0x00007FFEAA393000-0x00007FFEAA395000-memory.dmp

    Filesize

    8KB

  • memory/1512-24-0x00000000009F0000-0x00000000009FC000-memory.dmp

    Filesize

    48KB

  • memory/2860-7-0x0000000005920000-0x0000000005932000-memory.dmp

    Filesize

    72KB

  • memory/2860-3-0x00000000057A0000-0x00000000057FC000-memory.dmp

    Filesize

    368KB

  • memory/2860-8-0x0000000005930000-0x0000000005938000-memory.dmp

    Filesize

    32KB

  • memory/2860-0-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

    Filesize

    4KB

  • memory/2860-1-0x0000000000E20000-0x0000000000F0A000-memory.dmp

    Filesize

    936KB

  • memory/2860-2-0x00000000019C0000-0x00000000019CE000-memory.dmp

    Filesize

    56KB

  • memory/2860-6-0x0000000005950000-0x00000000059E2000-memory.dmp

    Filesize

    584KB

  • memory/2860-50-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/2860-5-0x0000000005F00000-0x00000000064A4000-memory.dmp

    Filesize

    5.6MB

  • memory/2860-4-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/2860-9-0x0000000005E30000-0x0000000005E52000-memory.dmp

    Filesize

    136KB

  • memory/4972-34-0x000000001AD90000-0x000000001AE9A000-memory.dmp

    Filesize

    1.0MB

  • memory/4972-33-0x00007FFEAA390000-0x00007FFEAAE51000-memory.dmp

    Filesize

    10.8MB

  • memory/4972-58-0x00007FFEAA390000-0x00007FFEAAE51000-memory.dmp

    Filesize

    10.8MB