General

  • Target

    0beff548ec90700fd72184fcd98743aac0cf753232820fd95ae95b2130cb04fa

  • Size

    1.6MB

  • Sample

    240612-en7vxszhqa

  • MD5

    d0d278549a8be5c3fca74d3f66130663

  • SHA1

    874073f26b06fb99b2d15c683b6bf7db511d2502

  • SHA256

    0beff548ec90700fd72184fcd98743aac0cf753232820fd95ae95b2130cb04fa

  • SHA512

    03f45f77e7ed62bf6560ecf216a1d12daa937812cf24842fd500ec4394f0e027207e92d2d5a7c0d4509a18719fac73c4e44d7254dbe4815b5b8e65d3595b6301

  • SSDEEP

    24576:spM5863IGfTAVpalBEUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BEUkxVVChjHZQs

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      0beff548ec90700fd72184fcd98743aac0cf753232820fd95ae95b2130cb04fa

    • Size

      1.6MB

    • MD5

      d0d278549a8be5c3fca74d3f66130663

    • SHA1

      874073f26b06fb99b2d15c683b6bf7db511d2502

    • SHA256

      0beff548ec90700fd72184fcd98743aac0cf753232820fd95ae95b2130cb04fa

    • SHA512

      03f45f77e7ed62bf6560ecf216a1d12daa937812cf24842fd500ec4394f0e027207e92d2d5a7c0d4509a18719fac73c4e44d7254dbe4815b5b8e65d3595b6301

    • SSDEEP

      24576:spM5863IGfTAVpalBEUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BEUkxVVChjHZQs

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks