General

  • Target

    eed0c4c875d24f52620aae65d03f3341c585762a9bd331220f60dce84ada3184

  • Size

    2.0MB

  • Sample

    240522-1mxjfshh8z

  • MD5

    d7b59f7cdad358a9bf6208af08e4e23f

  • SHA1

    eae76e21628cbf0b5a51edf91636f769ec600df8

  • SHA256

    eed0c4c875d24f52620aae65d03f3341c585762a9bd331220f60dce84ada3184

  • SHA512

    b7063e3933178e8256c3fbc96e2d920b1759edc5eaf3148e1d122567c0b9de41e2001ec5e26a1da90141092804e5af2f633372b3c9d10891e8fd8e39228c2119

  • SSDEEP

    49152:7QzHt472DAJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtetIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      eed0c4c875d24f52620aae65d03f3341c585762a9bd331220f60dce84ada3184

    • Size

      2.0MB

    • MD5

      d7b59f7cdad358a9bf6208af08e4e23f

    • SHA1

      eae76e21628cbf0b5a51edf91636f769ec600df8

    • SHA256

      eed0c4c875d24f52620aae65d03f3341c585762a9bd331220f60dce84ada3184

    • SHA512

      b7063e3933178e8256c3fbc96e2d920b1759edc5eaf3148e1d122567c0b9de41e2001ec5e26a1da90141092804e5af2f633372b3c9d10891e8fd8e39228c2119

    • SSDEEP

      49152:7QzHt472DAJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtetIuoITsdZ

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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