General

  • Target

    2024-08-18_b07903a55bdb2c7ed7895fdeba690458_cova_magniber

  • Size

    8.1MB

  • Sample

    240818-a7eahayhmp

  • MD5

    b07903a55bdb2c7ed7895fdeba690458

  • SHA1

    00eb5c9e340664df33ea9369179de712bc5d0773

  • SHA256

    205f00610ab36450d86ad8ebfe7a0f0af7aa757803503ea4de1f82c78e6dedd3

  • SHA512

    cb5df616f85177175e4543b7cda2010275c935f527cfb17c3a384884e6de4dd00a8f676c8e437c9a303573c08419f2f5c8fc30058493ba49abecfd65cae81bef

  • SSDEEP

    196608:B9ofsgFUjh5JMULHIEEUgILxbhVebH0h9HU5NHZlcP/VMfif:B9ofsuUjh5JMULHIEEUgILxbhVebH07H

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

4Drun

C2

185.148.3.216:4000

Mutex

c3557859-56ac-475e-b44d-e1b60c20d0d0

Attributes
  • encryption_key

    B000736BEBDF08FC1B6696200651882CF57E43E7

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    3dfx Startup

  • subdirectory

    SubDir

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

185.148.3.216:2000

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    4Drs.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      2024-08-18_b07903a55bdb2c7ed7895fdeba690458_cova_magniber

    • Size

      8.1MB

    • MD5

      b07903a55bdb2c7ed7895fdeba690458

    • SHA1

      00eb5c9e340664df33ea9369179de712bc5d0773

    • SHA256

      205f00610ab36450d86ad8ebfe7a0f0af7aa757803503ea4de1f82c78e6dedd3

    • SHA512

      cb5df616f85177175e4543b7cda2010275c935f527cfb17c3a384884e6de4dd00a8f676c8e437c9a303573c08419f2f5c8fc30058493ba49abecfd65cae81bef

    • SSDEEP

      196608:B9ofsgFUjh5JMULHIEEUgILxbhVebH0h9HU5NHZlcP/VMfif:B9ofsuUjh5JMULHIEEUgILxbhVebH07H

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Async RAT payload

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

MITRE ATT&CK Enterprise v15

Tasks