General

  • Target

    Botnets_PACK.rar

  • Size

    27.5MB

  • Sample

    241205-btw4tsxjfn

  • MD5

    edaebf5c06f81cbe6123a820761dd217

  • SHA1

    e4ce7f4a9d61548e91160647c7d7df62315b3441

  • SHA256

    f38de4913b8110f971939219bab3d06d0a5682c0a9649b7f344af83429958e0c

  • SHA512

    b0d984be5ebc6642e1c7191d42cfec2fc35dcfce031f1c6568dccdd0413fab18ad64abd6337075a37023f6ed514ea38c6b561375d065dbde6cbcb8fe1c8388ee

  • SSDEEP

    786432:U5WlRiyrkogffaoyq0RXDPTCyK9pDw5sz+WP/:aGRgLAM9pDw5szVP/

Malware Config

Extracted

Family

blacknet

Botnet

[ID]

C2

[HOST]

Mutex

[MUTEX]

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

    [Install_Name]

  • splitter

    |BN|

  • start_name

    [StartupName]

  • startup

    false

  • usb_spread

    false

Extracted

Family

smokeloader

Version

2017

C2

http://dogewareservice.ru/

Targets

    • Target

      Botnets_PACK.rar

    • Size

      27.5MB

    • MD5

      edaebf5c06f81cbe6123a820761dd217

    • SHA1

      e4ce7f4a9d61548e91160647c7d7df62315b3441

    • SHA256

      f38de4913b8110f971939219bab3d06d0a5682c0a9649b7f344af83429958e0c

    • SHA512

      b0d984be5ebc6642e1c7191d42cfec2fc35dcfce031f1c6568dccdd0413fab18ad64abd6337075a37023f6ed514ea38c6b561375d065dbde6cbcb8fe1c8388ee

    • SSDEEP

      786432:U5WlRiyrkogffaoyq0RXDPTCyK9pDw5sz+WP/:aGRgLAM9pDw5szVP/

    • BlackNET

      BlackNET is an open source remote access tool written in VB.NET.

    • BlackNET payload

    • Blacknet family

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Smokeloader family

    • Command and Scripting Interpreter: PowerShell

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks