General

  • Target

    bb88da1ac476c2eb182c4441356eafb3d1d41f10be54dadba1df20c955c59d0b

  • Size

    2.4MB

  • Sample

    240603-gpn6baea3z

  • MD5

    27ee641ae73e4f608ad26f72976cd5f8

  • SHA1

    3b6e5ddc48c5c90ac9363f7de6929856a754d1bb

  • SHA256

    bb88da1ac476c2eb182c4441356eafb3d1d41f10be54dadba1df20c955c59d0b

  • SHA512

    d2e9ec1b0159c737dd901d33ebf9454486641f480a0add63900fad8386cdc8e2326e0dd349e24868b4cc27d43df86151de4fb89ccbe418206daff8a50c436b15

  • SSDEEP

    49152:wQc81KnB/a/hNT/dBYa8aesY3Ot4N7G/:wDta/hNT/dBn0etD/

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

      bb88da1ac476c2eb182c4441356eafb3d1d41f10be54dadba1df20c955c59d0b

    • Size

      2.4MB

    • MD5

      27ee641ae73e4f608ad26f72976cd5f8

    • SHA1

      3b6e5ddc48c5c90ac9363f7de6929856a754d1bb

    • SHA256

      bb88da1ac476c2eb182c4441356eafb3d1d41f10be54dadba1df20c955c59d0b

    • SHA512

      d2e9ec1b0159c737dd901d33ebf9454486641f480a0add63900fad8386cdc8e2326e0dd349e24868b4cc27d43df86151de4fb89ccbe418206daff8a50c436b15

    • SSDEEP

      49152:wQc81KnB/a/hNT/dBYa8aesY3Ot4N7G/:wDta/hNT/dBn0etD/

    • 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