General

  • Target

    74cc6ec708106c8bc98124eb5c575ba636d378917d9019cc3ac948b8aad84bb0

  • Size

    1.6MB

  • Sample

    240612-fe7z1a1ejd

  • MD5

    2546ae18c34d98320288c65add63c042

  • SHA1

    fa3434cbf43afd30cddb985f7943eed1d5b56b56

  • SHA256

    74cc6ec708106c8bc98124eb5c575ba636d378917d9019cc3ac948b8aad84bb0

  • SHA512

    b763c3e0414e5a63660011afbc12384be330f643f230359b2a0850f4e82d9835eb1a195fcb70d9499f474d7a5cab8975bc454c0bb51829e4e48b04fb97da4423

  • SSDEEP

    24576:spM5863IGfTAVpalBcUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BcUkxVVChjHZQs

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

      74cc6ec708106c8bc98124eb5c575ba636d378917d9019cc3ac948b8aad84bb0

    • Size

      1.6MB

    • MD5

      2546ae18c34d98320288c65add63c042

    • SHA1

      fa3434cbf43afd30cddb985f7943eed1d5b56b56

    • SHA256

      74cc6ec708106c8bc98124eb5c575ba636d378917d9019cc3ac948b8aad84bb0

    • SHA512

      b763c3e0414e5a63660011afbc12384be330f643f230359b2a0850f4e82d9835eb1a195fcb70d9499f474d7a5cab8975bc454c0bb51829e4e48b04fb97da4423

    • SSDEEP

      24576:spM5863IGfTAVpalBcUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BcUkxVVChjHZQs

    • 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