General

  • Target

    b98529ce274669010251a0048ff10fb9.exe

  • Size

    1.4MB

  • Sample

    231111-1tbwbsce38

  • MD5

    b98529ce274669010251a0048ff10fb9

  • SHA1

    d0ca516066b227800aba9ceb2972884f5a6dcac7

  • SHA256

    35ab06be2e6fc0fc00327764f68a4f3fc27c1f1f0ad39f42615c82f0a9ce5312

  • SHA512

    6c8c0a316473857280f3d7cce975370a29b825115330cae83370c408e648346090191c806ac77289714dba5cc6c426b85e39544014918ae45981380feb564e9a

  • SSDEEP

    24576:zy9RVKpquNSofXZekIsFkqGh52D3Jw1Sc7Rs4FIouNkRG:GjUSiJeD2pGStESys4FIouNkR

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

      b98529ce274669010251a0048ff10fb9.exe

    • Size

      1.4MB

    • MD5

      b98529ce274669010251a0048ff10fb9

    • SHA1

      d0ca516066b227800aba9ceb2972884f5a6dcac7

    • SHA256

      35ab06be2e6fc0fc00327764f68a4f3fc27c1f1f0ad39f42615c82f0a9ce5312

    • SHA512

      6c8c0a316473857280f3d7cce975370a29b825115330cae83370c408e648346090191c806ac77289714dba5cc6c426b85e39544014918ae45981380feb564e9a

    • SSDEEP

      24576:zy9RVKpquNSofXZekIsFkqGh52D3Jw1Sc7Rs4FIouNkRG:GjUSiJeD2pGStESys4FIouNkR

    • 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