General

  • Target

    b153c2205f3014890c751cf5466388a0a0e68010bda136334b5f3f4184cc80ab

  • Size

    1.8MB

  • Sample

    240604-ggab7aff78

  • MD5

    2d4aae59fc25da3df34c17665e728dcc

  • SHA1

    73135d3dd2621e177f3a38146eedf8ba69466de4

  • SHA256

    b153c2205f3014890c751cf5466388a0a0e68010bda136334b5f3f4184cc80ab

  • SHA512

    ffce6d484fa47ccdd2aa4a300c53f46bd19417c2576434eede59af271a23531aade34af47c9b08bf9f8182ac6b74ee8f4894fe4742d0a91f70e63e38314d6d56

  • SSDEEP

    24576:W7YfUB7F1931tbXYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbXYa8aesY3Ot4N7G/

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

      b153c2205f3014890c751cf5466388a0a0e68010bda136334b5f3f4184cc80ab

    • Size

      1.8MB

    • MD5

      2d4aae59fc25da3df34c17665e728dcc

    • SHA1

      73135d3dd2621e177f3a38146eedf8ba69466de4

    • SHA256

      b153c2205f3014890c751cf5466388a0a0e68010bda136334b5f3f4184cc80ab

    • SHA512

      ffce6d484fa47ccdd2aa4a300c53f46bd19417c2576434eede59af271a23531aade34af47c9b08bf9f8182ac6b74ee8f4894fe4742d0a91f70e63e38314d6d56

    • SSDEEP

      24576:W7YfUB7F1931tbXYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbXYa8aesY3Ot4N7G/

    • 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