General

  • Target

    5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38

  • Size

    7.4MB

  • Sample

    240617-fq2x5azcnm

  • MD5

    4c3f0027d2e0e9c8664bf102fc2840e4

  • SHA1

    1af682cc65c9a3c4f1f06fc1a698cf18bfeb3e12

  • SHA256

    5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38

  • SHA512

    3baeaecaae645fe329eccabd4e9e05a589ee69edf3e60e16ed3987f2ecb5c874dc75858dfd71871ed4a116aac2f9b58822d0a2c35fcbf7a8e4e77357e63af238

  • SSDEEP

    196608:w6Oakf78Ql8X6OAfiZ8AY/5iEvCidMtCVHb1QR:LOXDra6OP5OiEvCi+IaR

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38

    • Size

      7.4MB

    • MD5

      4c3f0027d2e0e9c8664bf102fc2840e4

    • SHA1

      1af682cc65c9a3c4f1f06fc1a698cf18bfeb3e12

    • SHA256

      5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38

    • SHA512

      3baeaecaae645fe329eccabd4e9e05a589ee69edf3e60e16ed3987f2ecb5c874dc75858dfd71871ed4a116aac2f9b58822d0a2c35fcbf7a8e4e77357e63af238

    • SSDEEP

      196608:w6Oakf78Ql8X6OAfiZ8AY/5iEvCidMtCVHb1QR:LOXDra6OP5OiEvCi+IaR

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Deletes itself

    • 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.

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks