Analysis

  • max time kernel
    148s
  • max time network
    149s
  • 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 01:16

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:5088
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:4300
    • 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:3652
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:4812
  • 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:1564

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/3652-55-0x0000000005EE0000-0x0000000005EEA000-memory.dmp

    Filesize

    40KB

  • memory/3652-54-0x00000000059C0000-0x00000000059D0000-memory.dmp

    Filesize

    64KB

  • memory/3652-53-0x0000000005BC0000-0x0000000005D82000-memory.dmp

    Filesize

    1.8MB

  • memory/3652-52-0x0000000005800000-0x0000000005818000-memory.dmp

    Filesize

    96KB

  • memory/3652-50-0x0000000004F30000-0x0000000004F7E000-memory.dmp

    Filesize

    312KB

  • memory/4300-25-0x0000000000FC0000-0x0000000000FD2000-memory.dmp

    Filesize

    72KB

  • memory/4300-26-0x00000000027D0000-0x000000000280C000-memory.dmp

    Filesize

    240KB

  • memory/4300-57-0x00007FFE39140000-0x00007FFE39C01000-memory.dmp

    Filesize

    10.8MB

  • memory/4300-28-0x00007FFE39140000-0x00007FFE39C01000-memory.dmp

    Filesize

    10.8MB

  • memory/4300-23-0x00000000006D0000-0x00000000006DC000-memory.dmp

    Filesize

    48KB

  • memory/4300-24-0x00007FFE39143000-0x00007FFE39145000-memory.dmp

    Filesize

    8KB

  • memory/4812-32-0x00007FFE39140000-0x00007FFE39C01000-memory.dmp

    Filesize

    10.8MB

  • memory/4812-33-0x000000001B5F0000-0x000000001B6FA000-memory.dmp

    Filesize

    1.0MB

  • memory/4812-58-0x00007FFE39140000-0x00007FFE39C01000-memory.dmp

    Filesize

    10.8MB

  • memory/5088-5-0x00000000056A0000-0x0000000005C44000-memory.dmp

    Filesize

    5.6MB

  • memory/5088-9-0x0000000005630000-0x0000000005652000-memory.dmp

    Filesize

    136KB

  • memory/5088-6-0x00000000051D0000-0x0000000005262000-memory.dmp

    Filesize

    584KB

  • memory/5088-49-0x00000000752B0000-0x0000000075A60000-memory.dmp

    Filesize

    7.7MB

  • memory/5088-0-0x00000000752BE000-0x00000000752BF000-memory.dmp

    Filesize

    4KB

  • memory/5088-4-0x0000000005090000-0x00000000050EC000-memory.dmp

    Filesize

    368KB

  • memory/5088-3-0x00000000752B0000-0x0000000075A60000-memory.dmp

    Filesize

    7.7MB

  • memory/5088-2-0x0000000002B10000-0x0000000002B1E000-memory.dmp

    Filesize

    56KB

  • memory/5088-1-0x00000000005D0000-0x00000000006BA000-memory.dmp

    Filesize

    936KB

  • memory/5088-8-0x00000000051C0000-0x00000000051C8000-memory.dmp

    Filesize

    32KB

  • memory/5088-7-0x00000000051B0000-0x00000000051C2000-memory.dmp

    Filesize

    72KB