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General

  • Target

    54393b7733f2c6054c33b356549250c0d8fcf1c74de654652fe81d677865eb62

  • Size

    2.4MB

  • Sample

    240603-f6jrgsec76

  • MD5

    d3f2d766c976951b5cab323a5aaa5bad

  • SHA1

    62609e532b7fd5e7ca5866ad8740359f6bb50432

  • SHA256

    54393b7733f2c6054c33b356549250c0d8fcf1c74de654652fe81d677865eb62

  • SHA512

    a74b5f0f108daf45bbae71d03911514fc791d98d6dc4c8b7938e316361f551c27c1508d180b0552bfd5b680aead30474de7e36ad2363adc5fce6fa889b11083e

  • SSDEEP

    49152:wQc81KnB/a/hNT/dRYa8aesY3Ot4N7G/:wDta/hNT/dRn0etD/

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

      54393b7733f2c6054c33b356549250c0d8fcf1c74de654652fe81d677865eb62

    • Size

      2.4MB

    • MD5

      d3f2d766c976951b5cab323a5aaa5bad

    • SHA1

      62609e532b7fd5e7ca5866ad8740359f6bb50432

    • SHA256

      54393b7733f2c6054c33b356549250c0d8fcf1c74de654652fe81d677865eb62

    • SHA512

      a74b5f0f108daf45bbae71d03911514fc791d98d6dc4c8b7938e316361f551c27c1508d180b0552bfd5b680aead30474de7e36ad2363adc5fce6fa889b11083e

    • SSDEEP

      49152:wQc81KnB/a/hNT/dRYa8aesY3Ot4N7G/:wDta/hNT/dRn0etD/

    • 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