General

  • Target

    f73a20b2d6e46a427015e084056e653b9fb924249a7327255691a212c215ddf4

  • Size

    1.8MB

  • Sample

    240604-cmyvhshh2z

  • MD5

    4db3cafcf4b729d47f138e65a4038778

  • SHA1

    2176f61d3e74dbc9f11e316ac7960967651a2094

  • SHA256

    f73a20b2d6e46a427015e084056e653b9fb924249a7327255691a212c215ddf4

  • SHA512

    b33bdfae77ca18b9a49b01bd0fc4e75a93ca2c32a3f451f55cf2e3273e89012364d4f5ba894d46d74c02158d7a98680542598afbccee618d5e1787f791713674

  • SSDEEP

    24576:W7YfUB7F1931tbRYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbRYa8aesY3Ot4N7G/

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

      f73a20b2d6e46a427015e084056e653b9fb924249a7327255691a212c215ddf4

    • Size

      1.8MB

    • MD5

      4db3cafcf4b729d47f138e65a4038778

    • SHA1

      2176f61d3e74dbc9f11e316ac7960967651a2094

    • SHA256

      f73a20b2d6e46a427015e084056e653b9fb924249a7327255691a212c215ddf4

    • SHA512

      b33bdfae77ca18b9a49b01bd0fc4e75a93ca2c32a3f451f55cf2e3273e89012364d4f5ba894d46d74c02158d7a98680542598afbccee618d5e1787f791713674

    • SSDEEP

      24576:W7YfUB7F1931tbRYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbRYa8aesY3Ot4N7G/

    • 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