General

  • Target

    9708ca6920db9cbaeb1fef491a39ec639c58ac16a3893097ada58b9823821e77

  • Size

    2.4MB

  • Sample

    240531-qdqdnsad27

  • MD5

    ad01ed3bdcccd390ac6f3e3b2a5d0231

  • SHA1

    46e8b79407eaf36ca8d650ea57022446f3b30121

  • SHA256

    9708ca6920db9cbaeb1fef491a39ec639c58ac16a3893097ada58b9823821e77

  • SHA512

    555d4296be138b3c559cf1d8157a49fb647cd53923e47f9319bcd8ce5652a8cba11807c5a9ed4d6f087e2b3a5a62e9656f806d06bd09f5401f3995d8934c369c

  • SSDEEP

    49152:wQc81KnB/a/hNT/ddYa8aesY3Ot4N7G/:wDta/hNT/ddn0etD/

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

      9708ca6920db9cbaeb1fef491a39ec639c58ac16a3893097ada58b9823821e77

    • Size

      2.4MB

    • MD5

      ad01ed3bdcccd390ac6f3e3b2a5d0231

    • SHA1

      46e8b79407eaf36ca8d650ea57022446f3b30121

    • SHA256

      9708ca6920db9cbaeb1fef491a39ec639c58ac16a3893097ada58b9823821e77

    • SHA512

      555d4296be138b3c559cf1d8157a49fb647cd53923e47f9319bcd8ce5652a8cba11807c5a9ed4d6f087e2b3a5a62e9656f806d06bd09f5401f3995d8934c369c

    • SSDEEP

      49152:wQc81KnB/a/hNT/ddYa8aesY3Ot4N7G/:wDta/hNT/ddn0etD/

    • 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