General

  • Target

    5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00

  • Size

    2.4MB

  • Sample

    240607-aaqx2afb42

  • MD5

    1d3292059e4394a0330e4883521dd5d8

  • SHA1

    7bd98b232f227fe7242621995030bb8a66efad7f

  • SHA256

    5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00

  • SHA512

    8be2dccbfac5322201abedb7965e02bed798f443ef552a1975f5010d430afc1c7dae87db4ad009ff383274c0e37f891d63cdc68de384a9428c12a0c2bafc08a4

  • SSDEEP

    49152:wQc81KnB/a/hNT/dxYa8aesY3Ot4N7G/:wDta/hNT/dxn0etD/

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

      5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00

    • Size

      2.4MB

    • MD5

      1d3292059e4394a0330e4883521dd5d8

    • SHA1

      7bd98b232f227fe7242621995030bb8a66efad7f

    • SHA256

      5cf1875d49763a1e2c06cde297dd35a1a1b6be86ce105de2bd174091f787cc00

    • SHA512

      8be2dccbfac5322201abedb7965e02bed798f443ef552a1975f5010d430afc1c7dae87db4ad009ff383274c0e37f891d63cdc68de384a9428c12a0c2bafc08a4

    • SSDEEP

      49152:wQc81KnB/a/hNT/dxYa8aesY3Ot4N7G/:wDta/hNT/dxn0etD/

    • 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