General

  • Target

    7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2

  • Size

    2.4MB

  • Sample

    240607-ah2z9seb9v

  • MD5

    26d0c4f95063e6f502c519a9f0de8e3d

  • SHA1

    74913b5791803e3abac7d10a68717b325143c9cc

  • SHA256

    7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2

  • SHA512

    80e339b49f08dd64ea1afc70293844a59ee370091a0ec86801065d7380514d44f27672a44d13f8a0e0010762a60a56de0d09412e77110d11a224af34ae64a83a

  • SSDEEP

    49152:wQc81KnB/a/hNT/dZYa8aesY3Ot4N7G/:wDta/hNT/dZn0etD/

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

      7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2

    • Size

      2.4MB

    • MD5

      26d0c4f95063e6f502c519a9f0de8e3d

    • SHA1

      74913b5791803e3abac7d10a68717b325143c9cc

    • SHA256

      7812ca3b4c1ceec94559fe11fa262b96684dcefe3e95fe29dd28599d7e889fc2

    • SHA512

      80e339b49f08dd64ea1afc70293844a59ee370091a0ec86801065d7380514d44f27672a44d13f8a0e0010762a60a56de0d09412e77110d11a224af34ae64a83a

    • SSDEEP

      49152:wQc81KnB/a/hNT/dZYa8aesY3Ot4N7G/:wDta/hNT/dZn0etD/

    • 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