General

  • Target

    690c5267c77eeb53c5b9dc344a523823e25d5c9166f19978c60e7e86a503ecfc

  • Size

    1.8MB

  • Sample

    240604-cfywyaac32

  • MD5

    472b4218d535da93d5b928be0a39b03a

  • SHA1

    8003cf96edf1647a896eaa8e2fb83050ec256835

  • SHA256

    690c5267c77eeb53c5b9dc344a523823e25d5c9166f19978c60e7e86a503ecfc

  • SHA512

    735d662e5e04efbae12b950c198f4f9ce68d5fe2247eaae394352d0b6afec0507e574c6223335742e47f4df4200d26b16dbce6a1631fe23beca45b4d37c9372e

  • SSDEEP

    24576:W7YfUB7F1931tbNYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbNYa8aesY3Ot4N7G/

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

      690c5267c77eeb53c5b9dc344a523823e25d5c9166f19978c60e7e86a503ecfc

    • Size

      1.8MB

    • MD5

      472b4218d535da93d5b928be0a39b03a

    • SHA1

      8003cf96edf1647a896eaa8e2fb83050ec256835

    • SHA256

      690c5267c77eeb53c5b9dc344a523823e25d5c9166f19978c60e7e86a503ecfc

    • SHA512

      735d662e5e04efbae12b950c198f4f9ce68d5fe2247eaae394352d0b6afec0507e574c6223335742e47f4df4200d26b16dbce6a1631fe23beca45b4d37c9372e

    • SSDEEP

      24576:W7YfUB7F1931tbNYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbNYa8aesY3Ot4N7G/

    • 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