General

  • Target

    FLP_1037850047.exe

  • Size

    379KB

  • Sample

    210506-j7tn3kcc8x

  • MD5

    d32bc982566fbb8d81d3012779d3c320

  • SHA1

    74e5c60af59a50757abc29942c888fa43e854204

  • SHA256

    a59fbc4f9903ed18c989e87bc83073b463310ffe6c90a43c53400739719d0aae

  • SHA512

    de6afafb1412a652405072ba6f123383baa55e9287bbbef8a2e9c25edbfdebb6bf9e8aa1834caf386384096ce7eaa3c9dc03b7831f134ad8ccc4c98f066db699

Malware Config

Extracted

Family

oski

C2

duiy.xyz

Targets

    • Target

      FLP_1037850047.exe

    • Size

      379KB

    • MD5

      d32bc982566fbb8d81d3012779d3c320

    • SHA1

      74e5c60af59a50757abc29942c888fa43e854204

    • SHA256

      a59fbc4f9903ed18c989e87bc83073b463310ffe6c90a43c53400739719d0aae

    • SHA512

      de6afafb1412a652405072ba6f123383baa55e9287bbbef8a2e9c25edbfdebb6bf9e8aa1834caf386384096ce7eaa3c9dc03b7831f134ad8ccc4c98f066db699

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Deletes itself

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks