General

  • Target
    IMG0540001825.exe
  • Size 220KB
  • Sample210429-1lc9me75aa
  • SHA256 37f96df377557cad9bdb2caa4064bbf4dd862e935a64e1d802d445358695e15c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • oski

C2
  • 5azc.club

Targets

    • Target
      IMG0540001825.exe
    • Size 220KB
    • SHA256 37f96df377557cad9bdb2caa4064bbf4dd862e935a64e1d802d445358695e15c
    • 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

    • 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