General

  • Target

    94a8c46c1725fb656990f0b536166eda68c376929f0e221e60db0af6f2f4ac49.exe

  • Size

    423KB

  • Sample

    240521-rayrbagd64

  • MD5

    b470106d2e9860ea4697e58d9bb59005

  • SHA1

    e0ac0ced62c25bcbac1e87f3323691450c834067

  • SHA256

    94a8c46c1725fb656990f0b536166eda68c376929f0e221e60db0af6f2f4ac49

  • SHA512

    e69501712fa457b5674f3dc39cb29df036c4b53844b6b3a26ac83ff7b8754a67873fb2ef385f95a1949182a83306d976e729c0ecdb9e9ae2aa36e652f1175eaa

  • SSDEEP

    6144:qqi+RrKHLIo4V1p+a3Vy/JDDn4LjGQpk3KXHX5dkXjKhyBc2S6LSH:sHLIoCCDujGUZXHXYuhyBc2S6L

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      94a8c46c1725fb656990f0b536166eda68c376929f0e221e60db0af6f2f4ac49.exe

    • Size

      423KB

    • MD5

      b470106d2e9860ea4697e58d9bb59005

    • SHA1

      e0ac0ced62c25bcbac1e87f3323691450c834067

    • SHA256

      94a8c46c1725fb656990f0b536166eda68c376929f0e221e60db0af6f2f4ac49

    • SHA512

      e69501712fa457b5674f3dc39cb29df036c4b53844b6b3a26ac83ff7b8754a67873fb2ef385f95a1949182a83306d976e729c0ecdb9e9ae2aa36e652f1175eaa

    • SSDEEP

      6144:qqi+RrKHLIo4V1p+a3Vy/JDDn4LjGQpk3KXHX5dkXjKhyBc2S6LSH:sHLIoCCDujGUZXHXYuhyBc2S6L

    • 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.

    • 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