Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2022 18:33

General

  • Target

    8b4fc3eff23d0259f525ddf3b48dd5cb5edd08e72fb919a2a8aa2bd08012f992.exe

  • Size

    2.1MB

  • MD5

    449fcf4ae8b5c3b413c21cf418ccb675

  • SHA1

    9136efceae54b89609acaf84288294be88b0cd02

  • SHA256

    8b4fc3eff23d0259f525ddf3b48dd5cb5edd08e72fb919a2a8aa2bd08012f992

  • SHA512

    0adaeec5976d8ddeb3edd1cec672e3ea7db3830bb8f7cd9d3ec06ae3ff724bb3e082c69adf09354b8e83b5815a9740ddd90e2f9f5f8e5bcd0b4b73d130fd10cf

  • SSDEEP

    49152:EEsJnEevhTHZOyhEBq92a79va29ADHqWiYBKWzxT7rmyxxK+z:EEwnESZmoN79AzqXYFtxx7

Malware Config

Signatures

  • joker

    Joker is an Android malware that targets billing and SMS fraud.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
  • Modifies registry class 10 IoCs
  • Modifies system certificate store 2 TTPs 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b4fc3eff23d0259f525ddf3b48dd5cb5edd08e72fb919a2a8aa2bd08012f992.exe
    "C:\Users\Admin\AppData\Local\Temp\8b4fc3eff23d0259f525ddf3b48dd5cb5edd08e72fb919a2a8aa2bd08012f992.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:816
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x54c
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/816-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

    Filesize

    8KB