General

  • Target

    befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f

  • Size

    2.4MB

  • Sample

    240603-gs1craeb3s

  • MD5

    f8c1d30397b8897ae2be7922f546b413

  • SHA1

    1d43306df0d7539c7ec0eb34c9ee28a0f85b6cd2

  • SHA256

    befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f

  • SHA512

    c45a4b3b0ae9e25e853f477aec2a94be9e10bd83c7958f624137f10e69c6d39d9380680b41707fad145deaa83eeb75de786764ea06ee188ec53e885263701a67

  • SSDEEP

    49152:wQc81KnB/a/hNT/d9Ya8aesY3Ot4N7G/:wDta/hNT/d9n0etD/

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

      befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f

    • Size

      2.4MB

    • MD5

      f8c1d30397b8897ae2be7922f546b413

    • SHA1

      1d43306df0d7539c7ec0eb34c9ee28a0f85b6cd2

    • SHA256

      befbd7795cd8f3202ecf6aaab76d176a708da6b9a08c9026f33ec3c35ea5985f

    • SHA512

      c45a4b3b0ae9e25e853f477aec2a94be9e10bd83c7958f624137f10e69c6d39d9380680b41707fad145deaa83eeb75de786764ea06ee188ec53e885263701a67

    • SSDEEP

      49152:wQc81KnB/a/hNT/d9Ya8aesY3Ot4N7G/:wDta/hNT/d9n0etD/

    • 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