Analysis

  • max time kernel
    144s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 01:05

General

  • Target

    478241c86132a6eb39627abbc9689ebbb2c646cf52a75880432dc12d656671fb.exe

  • Size

    3.0MB

  • MD5

    832d479717feba64d070366ed01c3675

  • SHA1

    31e9312abaa13b1bc5aaba5b9ae9213bc53eb6ef

  • SHA256

    478241c86132a6eb39627abbc9689ebbb2c646cf52a75880432dc12d656671fb

  • SHA512

    6407d2bf63057cbc5a94ddd6b8edefeb996c81bfd45dedc87fd044de36ac5d4be3abbeb0de6bd5898ade53b1ed370b62e3a3ca4578bfed7b4fb54a4c502538fd

  • SSDEEP

    49152:E8vN8QFUwqYZeM9/ZzzBjMkPUayX82+YXAypQxb9ndo9JnCmutncFf0I74gu3kM:Ei0wGGzBjryX82uypSb9ndo9JCm

Malware Config

Extracted

Family

orcus

C2

0.0.0.0:23210

Mutex

38874e1e50484f7aa3733dd3e2f0a4f0

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • 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 1 IoCs

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

  • Executes dropped EXE 1 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 use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\478241c86132a6eb39627abbc9689ebbb2c646cf52a75880432dc12d656671fb.exe
    "C:\Users\Admin\AppData\Local\Temp\478241c86132a6eb39627abbc9689ebbb2c646cf52a75880432dc12d656671fb.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Program Files\Orcus\Orcus.exe
      "C:\Program Files\Orcus\Orcus.exe"
      2⤵
      • Executes dropped EXE
      PID:1288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Orcus\Orcus.exe

    Filesize

    3.0MB

    MD5

    832d479717feba64d070366ed01c3675

    SHA1

    31e9312abaa13b1bc5aaba5b9ae9213bc53eb6ef

    SHA256

    478241c86132a6eb39627abbc9689ebbb2c646cf52a75880432dc12d656671fb

    SHA512

    6407d2bf63057cbc5a94ddd6b8edefeb996c81bfd45dedc87fd044de36ac5d4be3abbeb0de6bd5898ade53b1ed370b62e3a3ca4578bfed7b4fb54a4c502538fd

  • C:\Program Files\Orcus\Orcus.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • memory/1288-27-0x00007FFBC4BD0000-0x00007FFBC5691000-memory.dmp

    Filesize

    10.8MB

  • memory/1288-26-0x00000142B9220000-0x00000142B9230000-memory.dmp

    Filesize

    64KB

  • memory/1288-25-0x00000142B9240000-0x00000142B9258000-memory.dmp

    Filesize

    96KB

  • memory/1288-24-0x00007FFBC4BD0000-0x00007FFBC5691000-memory.dmp

    Filesize

    10.8MB

  • memory/1288-23-0x00007FFBC4BD0000-0x00007FFBC5691000-memory.dmp

    Filesize

    10.8MB

  • memory/1520-5-0x0000020E1B7D0000-0x0000020E1B7E2000-memory.dmp

    Filesize

    72KB

  • memory/1520-0-0x00007FFBC4BD3000-0x00007FFBC4BD5000-memory.dmp

    Filesize

    8KB

  • memory/1520-22-0x00007FFBC4BD0000-0x00007FFBC5691000-memory.dmp

    Filesize

    10.8MB

  • memory/1520-4-0x00007FFBC4BD0000-0x00007FFBC5691000-memory.dmp

    Filesize

    10.8MB

  • memory/1520-2-0x0000020E1B720000-0x0000020E1B77C000-memory.dmp

    Filesize

    368KB

  • memory/1520-3-0x0000020E1B790000-0x0000020E1B79E000-memory.dmp

    Filesize

    56KB

  • memory/1520-1-0x0000020E1B0A0000-0x0000020E1B39A000-memory.dmp

    Filesize

    3.0MB