General

  • Target

    12b2aaca579d02c94d4c4f08fdd0ca5eec382e8582f10d01309b7e216c7419ee

  • Size

    2.4MB

  • Sample

    240601-k62phshc35

  • MD5

    110428f260c5022a8e122d5c16ba44c8

  • SHA1

    bc9420995a549eeddb9717efb145ae7408ddceb4

  • SHA256

    12b2aaca579d02c94d4c4f08fdd0ca5eec382e8582f10d01309b7e216c7419ee

  • SHA512

    6643c0b970fa54399b453b2fa8c1e805d579c32511b6cee9034fab9ce2df47a0934c9013841655b0a873d6b03059a88112ae80cfb7bfa310c2bd77a888c99d0e

  • SSDEEP

    49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

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

      12b2aaca579d02c94d4c4f08fdd0ca5eec382e8582f10d01309b7e216c7419ee

    • Size

      2.4MB

    • MD5

      110428f260c5022a8e122d5c16ba44c8

    • SHA1

      bc9420995a549eeddb9717efb145ae7408ddceb4

    • SHA256

      12b2aaca579d02c94d4c4f08fdd0ca5eec382e8582f10d01309b7e216c7419ee

    • SHA512

      6643c0b970fa54399b453b2fa8c1e805d579c32511b6cee9034fab9ce2df47a0934c9013841655b0a873d6b03059a88112ae80cfb7bfa310c2bd77a888c99d0e

    • SSDEEP

      49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

    • 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

    • 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