Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2022 02:54

General

  • Target

    83d3faeb887f3e97c4bd187a7bea24dc9b38373d4e05fd89c5e9722cc5028c0c.exe

  • Size

    1.1MB

  • MD5

    41e9ecb481ada060b483e6c6f9129068

  • SHA1

    39edbb832288d89c8f5895a93aeb5ae210fde563

  • SHA256

    83d3faeb887f3e97c4bd187a7bea24dc9b38373d4e05fd89c5e9722cc5028c0c

  • SHA512

    93d044a14a63327cc1a723586665bd1c2088ea95a7f6956be9074949d7859238143169d1490117a5b71b1751a6a419058b8ebb0e36946d3c2e1cb7bb3951df74

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9gtUcxRpplsy:EEsJnEevhTHZOy+cxRN

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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83d3faeb887f3e97c4bd187a7bea24dc9b38373d4e05fd89c5e9722cc5028c0c.exe
    "C:\Users\Admin\AppData\Local\Temp\83d3faeb887f3e97c4bd187a7bea24dc9b38373d4e05fd89c5e9722cc5028c0c.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1048
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x520
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1048-54-0x0000000076171000-0x0000000076173000-memory.dmp

    Filesize

    8KB