General

  • Target

    file

  • Size

    1.4MB

  • Sample

    230920-g8jd6sgf27

  • MD5

    36643b03cb6781a8dba43ad0ccaaa8dd

  • SHA1

    48bccc5cf281ef7d2ca6def1bcdd507e4663fa56

  • SHA256

    bba3dd9184f05c4f905d8bdade137585d874469e3d118519d6271aedd31be6db

  • SHA512

    191fa777c9f569ace47d788702da6a916b0caad39f274caf134ccab9e1ae8e9e2ac565254c4ed87a4c8fb6982a73058e88708cad52c656258f8798fe34ddb89a

  • SSDEEP

    24576:WyVBmnydIOoIqRiuvbSTh+3uHVxrHVCXoawWn99BQBYSwuHG2n:lDSYolvbSTs61o4F4BkGaG2

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

trush

C2

77.91.124.82:19071

Attributes
  • auth_value

    c13814867cde8193679cd0cad2d774be

Targets

    • Target

      file

    • Size

      1.4MB

    • MD5

      36643b03cb6781a8dba43ad0ccaaa8dd

    • SHA1

      48bccc5cf281ef7d2ca6def1bcdd507e4663fa56

    • SHA256

      bba3dd9184f05c4f905d8bdade137585d874469e3d118519d6271aedd31be6db

    • SHA512

      191fa777c9f569ace47d788702da6a916b0caad39f274caf134ccab9e1ae8e9e2ac565254c4ed87a4c8fb6982a73058e88708cad52c656258f8798fe34ddb89a

    • SSDEEP

      24576:WyVBmnydIOoIqRiuvbSTh+3uHVxrHVCXoawWn99BQBYSwuHG2n:lDSYolvbSTs61o4F4BkGaG2

    • Detect Fabookie payload

    • Detected google phishing page

    • Detects Healer an antivirus disabler dropper

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • xmrig

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

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks