General

  • Target

    88f2c0258b097b8ae911c53bec2c94120c10c3c483f252fa69fbb684fb77bd3b

  • Size

    1.4MB

  • Sample

    231112-kbc3nsec65

  • MD5

    a459831e4a0a038ba0b3f74e28ce42db

  • SHA1

    f51d944c92035a6517ff3181e74242868213f424

  • SHA256

    88f2c0258b097b8ae911c53bec2c94120c10c3c483f252fa69fbb684fb77bd3b

  • SHA512

    e4d5735ab9aa44f92189d3bc6c45dd990b1963065a4f16de4b90f37bb651af1a8b7e1704f5c1c3960346c246c45f6ac93a0d2294a8ded6409e3c7f40cc0a371d

  • SSDEEP

    24576:3y7C4JIX8eOFOmJs5RzrenIsCf5GqbdDi+TiZ96wcZVfjX8BbLFXSr:C7NIMeAsvfeIzBG+e+jZ+dM

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://5.42.92.190/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

Extracted

Family

stealc

C2

http://77.91.68.247

Attributes
  • url_path

    /c36258786fdc16da.php

rc4.plain

Extracted

Family

smokeloader

Botnet

up3

Targets

    • Target

      88f2c0258b097b8ae911c53bec2c94120c10c3c483f252fa69fbb684fb77bd3b

    • Size

      1.4MB

    • MD5

      a459831e4a0a038ba0b3f74e28ce42db

    • SHA1

      f51d944c92035a6517ff3181e74242868213f424

    • SHA256

      88f2c0258b097b8ae911c53bec2c94120c10c3c483f252fa69fbb684fb77bd3b

    • SHA512

      e4d5735ab9aa44f92189d3bc6c45dd990b1963065a4f16de4b90f37bb651af1a8b7e1704f5c1c3960346c246c45f6ac93a0d2294a8ded6409e3c7f40cc0a371d

    • SSDEEP

      24576:3y7C4JIX8eOFOmJs5RzrenIsCf5GqbdDi+TiZ96wcZVfjX8BbLFXSr:C7NIMeAsvfeIzBG+e+jZ+dM

    • Detect Mystic stealer payload

    • Detect ZGRat V1

    • Glupteba

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

    • Glupteba payload

    • Mystic

      Mystic is an infostealer written in C++.

    • 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.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • 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.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Detected potential entity reuse from brand paypal.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks