Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 00:37

General

  • Target

    a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.exe

  • Size

    2.4MB

  • MD5

    cc144a1c7ea70734f64c7e12f01225da

  • SHA1

    c505a0ca7d2df3887e929878a07b4deee5a8856b

  • SHA256

    a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273

  • SHA512

    7e7820f90379a18a6f629fb4c152021f1eff1da9a25ee8723e494630a7bba1c7061b2071b558bb0ef90fa076a96f24b13977bc6eaac4f1bc7b1443bde17a8b38

  • SSDEEP

    49152:WUZpaTotR8lX5xVzBs1iUEhdXv1s57SzyLKVFICWSWyYX3rLYFnB:PaTq8PzbTXv2lKVyQeWB

Malware Config

Extracted

Family

orcus

Botnet

warface

C2

95.217.141.218:25565

Mutex

d9ad65394c624b9b95453d26cab4c9e1

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    false

  • install_path

    %programfiles%\Orcus\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    WindowsDefender

  • taskscheduler_taskname

    WindowsDefender

  • watchdog_path

    AppData\OrcusWatchdog.exe

Signatures

  • Orcus

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

  • Orcus family
  • Orcurs Rat Executable 1 IoCs
  • 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 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.exe
    "C:\Users\Admin\AppData\Local\Temp\a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Program Files\Orcus\Orcus.exe
      "C:\Program Files\Orcus\Orcus.exe"
      2⤵
      • Executes dropped EXE
      PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Orcus\Orcus.exe

    Filesize

    2.4MB

    MD5

    cc144a1c7ea70734f64c7e12f01225da

    SHA1

    c505a0ca7d2df3887e929878a07b4deee5a8856b

    SHA256

    a83f4eca80ef34fb03c41b13e784d5fb2b17408e0e44be4c4ab06df3239e4273

    SHA512

    7e7820f90379a18a6f629fb4c152021f1eff1da9a25ee8723e494630a7bba1c7061b2071b558bb0ef90fa076a96f24b13977bc6eaac4f1bc7b1443bde17a8b38

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

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • memory/2724-5-0x00000000003D0000-0x00000000003DE000-memory.dmp

    Filesize

    56KB

  • memory/2724-16-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2724-0-0x000007FEF5FF3000-0x000007FEF5FF4000-memory.dmp

    Filesize

    4KB

  • memory/2724-4-0x0000000000AA0000-0x0000000000AFC000-memory.dmp

    Filesize

    368KB

  • memory/2724-6-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2724-2-0x000000001B880000-0x000000001B968000-memory.dmp

    Filesize

    928KB

  • memory/2724-1-0x0000000001000000-0x0000000001278000-memory.dmp

    Filesize

    2.5MB

  • memory/2724-3-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2744-18-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2744-15-0x0000000001140000-0x00000000013B8000-memory.dmp

    Filesize

    2.5MB

  • memory/2744-17-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2744-19-0x0000000000C60000-0x0000000000CAE000-memory.dmp

    Filesize

    312KB

  • memory/2744-20-0x0000000000CE0000-0x0000000000CF8000-memory.dmp

    Filesize

    96KB

  • memory/2744-21-0x0000000000D10000-0x0000000000D20000-memory.dmp

    Filesize

    64KB

  • memory/2744-22-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

    Filesize

    9.9MB