General

  • Target

    0f3f88dc53e7f9a377a29a4434f555ca609c8ec5945cbdb717f3346dfdc6c8f2

  • Size

    1.8MB

  • Sample

    240603-kearqahb4z

  • MD5

    6006864bfe1cbdf0502b4257224f406c

  • SHA1

    5af4136281950b2df38de6a99c0e589d73331cd3

  • SHA256

    0f3f88dc53e7f9a377a29a4434f555ca609c8ec5945cbdb717f3346dfdc6c8f2

  • SHA512

    1eb463f8ae3c146710a3a5bf36e75baea95c2f0b4d085596fb6531505f9da150a57705a14bef39186de7ec7d09ae0a2db85a64125c49f3b5f4a5f3e79f05f080

  • SSDEEP

    24576:W7YfUB7F1931tbEYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbEYa8aesY3Ot4N7G/

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

      0f3f88dc53e7f9a377a29a4434f555ca609c8ec5945cbdb717f3346dfdc6c8f2

    • Size

      1.8MB

    • MD5

      6006864bfe1cbdf0502b4257224f406c

    • SHA1

      5af4136281950b2df38de6a99c0e589d73331cd3

    • SHA256

      0f3f88dc53e7f9a377a29a4434f555ca609c8ec5945cbdb717f3346dfdc6c8f2

    • SHA512

      1eb463f8ae3c146710a3a5bf36e75baea95c2f0b4d085596fb6531505f9da150a57705a14bef39186de7ec7d09ae0a2db85a64125c49f3b5f4a5f3e79f05f080

    • SSDEEP

      24576:W7YfUB7F1931tbEYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbEYa8aesY3Ot4N7G/

    • 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

    • 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