General

  • Target

    7516fa1336bd1370c024ee3410f59bcdb1aad9005f95dee42677585f309eb593

  • Size

    2.4MB

  • Sample

    240601-h94l6sdh5w

  • MD5

    8393ab633bc15c0170b3221bab31ab50

  • SHA1

    2849510823f7a24dee2c4179a9fc2cbe56e967dd

  • SHA256

    7516fa1336bd1370c024ee3410f59bcdb1aad9005f95dee42677585f309eb593

  • SHA512

    0c90e7a2b37a0864638d103d1a7b46798c699d29636226e88bd25d947e67e7faae62b395359b7f926a88febb04adf2e1e4c3dfe1ce1c3100b0a4e1b940673a7e

  • SSDEEP

    49152:wQc81KnB/a/hNT/d5Ya8aesY3Ot4N7G/:wDta/hNT/d5n0etD/

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

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

Targets

    • Target

      7516fa1336bd1370c024ee3410f59bcdb1aad9005f95dee42677585f309eb593

    • Size

      2.4MB

    • MD5

      8393ab633bc15c0170b3221bab31ab50

    • SHA1

      2849510823f7a24dee2c4179a9fc2cbe56e967dd

    • SHA256

      7516fa1336bd1370c024ee3410f59bcdb1aad9005f95dee42677585f309eb593

    • SHA512

      0c90e7a2b37a0864638d103d1a7b46798c699d29636226e88bd25d947e67e7faae62b395359b7f926a88febb04adf2e1e4c3dfe1ce1c3100b0a4e1b940673a7e

    • SSDEEP

      49152:wQc81KnB/a/hNT/d5Ya8aesY3Ot4N7G/:wDta/hNT/d5n0etD/

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • 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.

    • 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 Enterprise v15

Tasks