General

  • Target

    62f860c0e2920c2075a8d4b9f59831bdf604178ac47c07606aef442e383be71e

  • Size

    2.4MB

  • Sample

    240607-adzz4sea9v

  • MD5

    1d058d70a5bad9318284682c1082dd5b

  • SHA1

    cc1651b963a58077c1d9d1835ed2ebf0f5b52264

  • SHA256

    62f860c0e2920c2075a8d4b9f59831bdf604178ac47c07606aef442e383be71e

  • SHA512

    33aef18dd115ea76483c04239ed8506a625dd9ae680447259751763dc0e1cfb092b3e3d68a1ecd191285fb3c874d89fa47c2a8623a25532d92c26462c912e4ad

  • SSDEEP

    49152:wQc81KnB/a/hNT/dVYa8aesY3Ot4N7G/:wDta/hNT/dVn0etD/

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

      62f860c0e2920c2075a8d4b9f59831bdf604178ac47c07606aef442e383be71e

    • Size

      2.4MB

    • MD5

      1d058d70a5bad9318284682c1082dd5b

    • SHA1

      cc1651b963a58077c1d9d1835ed2ebf0f5b52264

    • SHA256

      62f860c0e2920c2075a8d4b9f59831bdf604178ac47c07606aef442e383be71e

    • SHA512

      33aef18dd115ea76483c04239ed8506a625dd9ae680447259751763dc0e1cfb092b3e3d68a1ecd191285fb3c874d89fa47c2a8623a25532d92c26462c912e4ad

    • SSDEEP

      49152:wQc81KnB/a/hNT/dVYa8aesY3Ot4N7G/:wDta/hNT/dVn0etD/

    • 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