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General

  • Target

    251bbdc2a62a225b17acc824bb45627f02795f9a1b258f7e1ec3d23db94d6ac3

  • Size

    2.4MB

  • Sample

    240531-qbc1kahf7w

  • MD5

    e68c960fea054f23e175ccd80e83a4a2

  • SHA1

    1d617c989445e44c730587397b3f48c000ebbc4e

  • SHA256

    251bbdc2a62a225b17acc824bb45627f02795f9a1b258f7e1ec3d23db94d6ac3

  • SHA512

    ecf39c33fe80f09e26a9a346c7735900d286c94468e3e3716c8f1f606134d2c60149ea89f15ecf5f60294eba536f6bce4e75c79d8941b0de48df02aaffaba167

  • SSDEEP

    49152:wQc81KnB/a/hNT/dtYa8aesY3Ot4N7G/:wDta/hNT/dtn0etD/

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

      251bbdc2a62a225b17acc824bb45627f02795f9a1b258f7e1ec3d23db94d6ac3

    • Size

      2.4MB

    • MD5

      e68c960fea054f23e175ccd80e83a4a2

    • SHA1

      1d617c989445e44c730587397b3f48c000ebbc4e

    • SHA256

      251bbdc2a62a225b17acc824bb45627f02795f9a1b258f7e1ec3d23db94d6ac3

    • SHA512

      ecf39c33fe80f09e26a9a346c7735900d286c94468e3e3716c8f1f606134d2c60149ea89f15ecf5f60294eba536f6bce4e75c79d8941b0de48df02aaffaba167

    • SSDEEP

      49152:wQc81KnB/a/hNT/dtYa8aesY3Ot4N7G/:wDta/hNT/dtn0etD/

    • 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