General

  • Target

    0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57

  • Size

    1.8MB

  • Sample

    240603-maqy9acc56

  • MD5

    a34e791dfcd157d27e4c0dde760ca105

  • SHA1

    6f8bafe3dcfe3021409930c6e7c2fdae12175683

  • SHA256

    0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57

  • SHA512

    ce79de32c3e6b2a8d6febb1b9c336783e5cc7767c870b52aed74539b35ea8ec523230652dbf20f25ad28e087461831f63531065d36c601d9e46550197c9421d4

  • SSDEEP

    24576:W7YfUB7F1931tbaYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbaYa8aesY3Ot4N7G/

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

      0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57

    • Size

      1.8MB

    • MD5

      a34e791dfcd157d27e4c0dde760ca105

    • SHA1

      6f8bafe3dcfe3021409930c6e7c2fdae12175683

    • SHA256

      0af59d03bd25aaf14e586154643236d709f6402ba8a1227e62dcb19459aa9c57

    • SHA512

      ce79de32c3e6b2a8d6febb1b9c336783e5cc7767c870b52aed74539b35ea8ec523230652dbf20f25ad28e087461831f63531065d36c601d9e46550197c9421d4

    • SSDEEP

      24576:W7YfUB7F1931tbaYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbaYa8aesY3Ot4N7G/

    • 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