General

  • Target
    542f3ea693d61187bd10db0376a6b3e7.exe
  • Size 256KB
  • Sample210420-4mpgp71lfs
  • SHA256 614ea8187654128fc27a51455ab3c8fdbb6d398382cd4d825cf795dbbf5d7966
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • oski

C2
  • osiq.club

Targets

    • Target
      542f3ea693d61187bd10db0376a6b3e7.exe
    • Size 256KB
    • SHA256 614ea8187654128fc27a51455ab3c8fdbb6d398382cd4d825cf795dbbf5d7966
    • MD5 SHA1 SHA512
    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Downloads MZ/PE file

    • 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

    • Adds Run key to start application

    • 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 v6

Tasks