General

  • Target

    b524ee2ba562c6592c7f0b650793c1d77259db386d050b1298d0ac490dedb5f7

  • Size

    1.4MB

  • Sample

    231112-m1wmeseh9s

  • MD5

    43471898b3e2b20e1393c5f88bbc0de6

  • SHA1

    961ffe850c80622010d022d2e6671c965000e28e

  • SHA256

    b524ee2ba562c6592c7f0b650793c1d77259db386d050b1298d0ac490dedb5f7

  • SHA512

    4dd78a0417e45356672a0241f4c3236f1301940d5f6acb74d6e9a6cd7a0652fb133bee7711e7d40d148ecdb70bbd3bd4b1068ed8c1bb016655f59bb60f14fb03

  • SSDEEP

    24576:XywSKjoy0v+yjkZdDPoeerIsohMGaQfDHGWu+W0IWx0VU1hqyGN7z:iLKT0v+yQD7bek52GHJ9IqZ1hwF

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

      b524ee2ba562c6592c7f0b650793c1d77259db386d050b1298d0ac490dedb5f7

    • Size

      1.4MB

    • MD5

      43471898b3e2b20e1393c5f88bbc0de6

    • SHA1

      961ffe850c80622010d022d2e6671c965000e28e

    • SHA256

      b524ee2ba562c6592c7f0b650793c1d77259db386d050b1298d0ac490dedb5f7

    • SHA512

      4dd78a0417e45356672a0241f4c3236f1301940d5f6acb74d6e9a6cd7a0652fb133bee7711e7d40d148ecdb70bbd3bd4b1068ed8c1bb016655f59bb60f14fb03

    • SSDEEP

      24576:XywSKjoy0v+yjkZdDPoeerIsohMGaQfDHGWu+W0IWx0VU1hqyGN7z:iLKT0v+yQD7bek52GHJ9IqZ1hwF

    • Detect Mystic stealer payload

    • Detect ZGRat V1

    • 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++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks