General

  • Target

    913ffffe973462ca717e6d6a35435f05.bin

  • Size

    2.3MB

  • Sample

    240611-dg1mlaselp

  • MD5

    85971411b20a7fdb6e90ff268614f53b

  • SHA1

    8e7bbd9892f194634d902ba7b5580f530d9f2bcf

  • SHA256

    00058eb4fb0f99a87f3b6d186cc4928497aad4d585feb0409c17a93e1e50d839

  • SHA512

    ef67e29a5fe0ba5733e44d2c0337632fd9cf1beb64736719b01555e0895329c2ba4adbfe3d4e88d9f7ad543c0a99314accb5ab4256c06fbf5f4ada921f503092

  • SSDEEP

    49152:+eCzrb9MTwQxKdKCz2sVL6PZJ4XE4u4mz7wlgh06JkH8QHFU+zJi175jBc:OMvKdhgPZJj4u4mt0YpOG3h5m

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      d8cbbb545c3b804cd8ac1f861b18852761a987693650478fb01ae98538df9741.exe

    • Size

      2.4MB

    • MD5

      913ffffe973462ca717e6d6a35435f05

    • SHA1

      f60417a8f4ce340251f855a3c7d1932debddf6e2

    • SHA256

      d8cbbb545c3b804cd8ac1f861b18852761a987693650478fb01ae98538df9741

    • SHA512

      c044047ff860ee688a6fc5c9e160fccfbf9924e1d00d43c365f2603eaa5ad2d8159e73f20e752b52f569d7716e554d04b8f55cd9ad1775ae0bb62e15a421e1be

    • SSDEEP

      49152:Et9lTickDxB5/C22m7GoKwZj3Xtn/gumuRIueEI:kl+cM5/2m7GoKczphZRK

    • 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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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