General

  • Target
    bda7463e881f4e14faadc83828e4fd6f.exe.vir
  • Size 200KB
  • Sample230308-ev6lfade5w
  • SHA256 56e6f4171172dff458498dea319ababfc8648a31c78df18b1c23d5189d059a8d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • oski

C2
  • jimmy.axfree.com

Targets

    • Target
      bda7463e881f4e14faadc83828e4fd6f.exe.vir
    • Size 200KB
    • SHA256 56e6f4171172dff458498dea319ababfc8648a31c78df18b1c23d5189d059a8d
    • MD5 SHA1 SHA512 SSDEEP
    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • 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 Enterprise v6

Tasks