General

  • Target

    e0991768131f22df2db50aa648c13d9269e0498a62aee3d6f6bfa0f0cf6616d5

  • Size

    2.4MB

  • Sample

    240607-cjle1sfh3t

  • MD5

    43a1c527f15159534e4401694cc0f2c9

  • SHA1

    9d9a85a7c2b82b256ed74f24edf4fd6e1ac1ebd9

  • SHA256

    e0991768131f22df2db50aa648c13d9269e0498a62aee3d6f6bfa0f0cf6616d5

  • SHA512

    0d09636b618444e4429d5372d6530407117f32d72c470e55a1b3a07a6497c32ad64fdca1c986331210c718c16d997f2fd0243b85bccf1022628b61a3a0b1dafb

  • 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

      e0991768131f22df2db50aa648c13d9269e0498a62aee3d6f6bfa0f0cf6616d5

    • Size

      2.4MB

    • MD5

      43a1c527f15159534e4401694cc0f2c9

    • SHA1

      9d9a85a7c2b82b256ed74f24edf4fd6e1ac1ebd9

    • SHA256

      e0991768131f22df2db50aa648c13d9269e0498a62aee3d6f6bfa0f0cf6616d5

    • SHA512

      0d09636b618444e4429d5372d6530407117f32d72c470e55a1b3a07a6497c32ad64fdca1c986331210c718c16d997f2fd0243b85bccf1022628b61a3a0b1dafb

    • 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