General

  • Target

    833462d44fc8a512642c29ca3aa1808b53281da46f93467bc2143f53937316c3

  • Size

    2.4MB

  • Sample

    240607-ajtqaafc82

  • MD5

    d48c6c1e266d629905e7d75426957828

  • SHA1

    5847b1bc43445ff044c0162e489bdc5ea6d038cf

  • SHA256

    833462d44fc8a512642c29ca3aa1808b53281da46f93467bc2143f53937316c3

  • SHA512

    0c77e52a80dbcd73377e42ccb7202e94cb157eaab7786c0521b9bd1f811d2587603bf8e9ec4546de632f5842f67be2ae1c43b93054eac0ef4d460c0e00611fd4

  • SSDEEP

    49152:wQc81KnB/a/hNT/dBYa8aesY3Ot4N7G/:wDta/hNT/dBn0etD/

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

      833462d44fc8a512642c29ca3aa1808b53281da46f93467bc2143f53937316c3

    • Size

      2.4MB

    • MD5

      d48c6c1e266d629905e7d75426957828

    • SHA1

      5847b1bc43445ff044c0162e489bdc5ea6d038cf

    • SHA256

      833462d44fc8a512642c29ca3aa1808b53281da46f93467bc2143f53937316c3

    • SHA512

      0c77e52a80dbcd73377e42ccb7202e94cb157eaab7786c0521b9bd1f811d2587603bf8e9ec4546de632f5842f67be2ae1c43b93054eac0ef4d460c0e00611fd4

    • SSDEEP

      49152:wQc81KnB/a/hNT/dBYa8aesY3Ot4N7G/:wDta/hNT/dBn0etD/

    • 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