General

  • Target

    v7942.exe

  • Size

    634KB

  • Sample

    250329-qy67xst1gx

  • MD5

    d62b289592043f863f302d7e8582e9bc

  • SHA1

    cc72a132de961bb1f4398b933d88585ef8c29a41

  • SHA256

    3c5a551b8fee65ffc444a3c0730b990591c3a95e442426563539f0a2ca3871d2

  • SHA512

    63d389102c1b78ea5157aad0a3f45f351a5752ae896729d85be81b70721f19869efdb8dfa87906f891be9bec0d9154b7498e4ac4216fd3ec574fae64707e258c

  • SSDEEP

    12288:SaQ9+ICJkAp0mBpehM8ppy+E4J/aDQy5b4WeZGl/GtWV3OH2JrZw9RlUR:Kw4GBpehMjcuP5b4Fty3pZwXlUR

Malware Config

Extracted

Family

vidar

Version

13.3

Botnet

928af183c2a2807a3c0526e8c0c9369d

C2

https://t.me/lw25chm

https://steamcommunity.com/profiles/76561199839170361

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Extracted

Family

lumma

C2

https://wxayfarer.live/ALosnz

https://byteplusx.digital/aXweAX

https://travewlio.shop/ZNxbHi

https://skynetxc.live/AksoPA

https://pixtreev.run/LkaUz

https://advennture.top/GKsiio

https://atargett.top/dsANGt

https://70sparkiob.digital/KeASUp

https://appgridn.live/LEjdAK

Extracted

Family

stealc

Botnet

default

C2

http://77.90.153.241

Attributes
  • url_path

    /612acd258782ade8.php

Targets

    • Target

      v7942.exe

    • Size

      634KB

    • MD5

      d62b289592043f863f302d7e8582e9bc

    • SHA1

      cc72a132de961bb1f4398b933d88585ef8c29a41

    • SHA256

      3c5a551b8fee65ffc444a3c0730b990591c3a95e442426563539f0a2ca3871d2

    • SHA512

      63d389102c1b78ea5157aad0a3f45f351a5752ae896729d85be81b70721f19869efdb8dfa87906f891be9bec0d9154b7498e4ac4216fd3ec574fae64707e258c

    • SSDEEP

      12288:SaQ9+ICJkAp0mBpehM8ppy+E4J/aDQy5b4WeZGl/GtWV3OH2JrZw9RlUR:Kw4GBpehMjcuP5b4Fty3pZwXlUR

    • Detect Vidar Stealer

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks