General

  • Target

    1b59df6d4617fcd7740e3b6a424fe89545cdb77317bbd38f1047d03f299d20f6

  • Size

    1.7MB

  • Sample

    240610-y278dsyemf

  • MD5

    7e44b70c5f87747cf233391bddd19669

  • SHA1

    16c921a9707014b0e5e6c61f9d669df58576f14e

  • SHA256

    1b59df6d4617fcd7740e3b6a424fe89545cdb77317bbd38f1047d03f299d20f6

  • SHA512

    cf7540d9ff57efb6c6f151105d6a3dca50299876ff31300b9f7e352395b4da9f140e2bc22230ce1173d843d99ff3ad919f3156a29063c62b8698c6f043d5867e

  • SSDEEP

    24576:JoZYQkmdrf+UUfMxVVtes12FxwojKr98YGeGG9iH:JPYxpUkxVVChjHZQsH

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      1b59df6d4617fcd7740e3b6a424fe89545cdb77317bbd38f1047d03f299d20f6

    • Size

      1.7MB

    • MD5

      7e44b70c5f87747cf233391bddd19669

    • SHA1

      16c921a9707014b0e5e6c61f9d669df58576f14e

    • SHA256

      1b59df6d4617fcd7740e3b6a424fe89545cdb77317bbd38f1047d03f299d20f6

    • SHA512

      cf7540d9ff57efb6c6f151105d6a3dca50299876ff31300b9f7e352395b4da9f140e2bc22230ce1173d843d99ff3ad919f3156a29063c62b8698c6f043d5867e

    • SSDEEP

      24576:JoZYQkmdrf+UUfMxVVtes12FxwojKr98YGeGG9iH:JPYxpUkxVVChjHZQsH

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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