General

  • Target

    8c11d0cbc88564437ed11832cf1399db5cc500407f5319157d5b252a9e633c2c

  • Size

    2.4MB

  • Sample

    240607-alfansec6s

  • MD5

    e3b90cb70891829e9964034d855ee7d9

  • SHA1

    7029d343f3719716dafbb249fecbea3968450968

  • SHA256

    8c11d0cbc88564437ed11832cf1399db5cc500407f5319157d5b252a9e633c2c

  • SHA512

    db03a1ab69bba94051eff26f2fcd5da81b5b289eff17755b61d8cf482529a50eed48a7957ed601b921318605898d74e20cdc8b672692dcf797ef58b3c6f6fa9c

  • SSDEEP

    49152:wQc81KnB/a/hNT/dhYa8aesY3Ot4N7G/:wDta/hNT/dhn0etD/

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

      8c11d0cbc88564437ed11832cf1399db5cc500407f5319157d5b252a9e633c2c

    • Size

      2.4MB

    • MD5

      e3b90cb70891829e9964034d855ee7d9

    • SHA1

      7029d343f3719716dafbb249fecbea3968450968

    • SHA256

      8c11d0cbc88564437ed11832cf1399db5cc500407f5319157d5b252a9e633c2c

    • SHA512

      db03a1ab69bba94051eff26f2fcd5da81b5b289eff17755b61d8cf482529a50eed48a7957ed601b921318605898d74e20cdc8b672692dcf797ef58b3c6f6fa9c

    • SSDEEP

      49152:wQc81KnB/a/hNT/dhYa8aesY3Ot4N7G/:wDta/hNT/dhn0etD/

    • 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