General

  • Target

    ed602ab08dcb9867600dbb21df4c50015234a2ceb7a4060a48dbff7e2c9b4434

  • Size

    1.8MB

  • Sample

    240607-cmw1xsha83

  • MD5

    3f08c810212bb1e885f7699245090449

  • SHA1

    b768a0cb55f3678deee61e8c2af699240beb70a7

  • SHA256

    ed602ab08dcb9867600dbb21df4c50015234a2ceb7a4060a48dbff7e2c9b4434

  • SHA512

    b2a61f2294d29caf8d06f67b6d2169df9b6be5ef7c805e3c26514ed11de387dcea3f21afcf3e3396c1a568283955cf62ed985771c6d702dec8cebc8bad4ed578

  • SSDEEP

    24576:W7YfUB7F1931tb4YaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtb4Ya8aesY3Ot4N7G/

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

      ed602ab08dcb9867600dbb21df4c50015234a2ceb7a4060a48dbff7e2c9b4434

    • Size

      1.8MB

    • MD5

      3f08c810212bb1e885f7699245090449

    • SHA1

      b768a0cb55f3678deee61e8c2af699240beb70a7

    • SHA256

      ed602ab08dcb9867600dbb21df4c50015234a2ceb7a4060a48dbff7e2c9b4434

    • SHA512

      b2a61f2294d29caf8d06f67b6d2169df9b6be5ef7c805e3c26514ed11de387dcea3f21afcf3e3396c1a568283955cf62ed985771c6d702dec8cebc8bad4ed578

    • SSDEEP

      24576:W7YfUB7F1931tb4YaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtb4Ya8aesY3Ot4N7G/

    • 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