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Analysis

  • max time kernel
    42s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2022, 03:09

General

  • Target

    4dafd5a47562445854a3f1f7fc39634e9adf9ca7bdc846b84898d76ab26381dc.exe

  • Size

    1020KB

  • MD5

    8d31afbd7f6645553109849c402c8a6a

  • SHA1

    8ca160d875ab8f639ab5207b6651ac58cdee3215

  • SHA256

    4dafd5a47562445854a3f1f7fc39634e9adf9ca7bdc846b84898d76ab26381dc

  • SHA512

    ff3a5fb1038245e8ffb03f5e1f5552986e818db4b75049fec914ef1cd458476cc0fb649bc8bcfa523bf6e52e6fbd995fdd8d129ece365ed76bfacaafdcb8731d

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9gUEjkkQvS6G8:EEsJnEevhTHZOyUkQz

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4dafd5a47562445854a3f1f7fc39634e9adf9ca7bdc846b84898d76ab26381dc.exe
    "C:\Users\Admin\AppData\Local\Temp\4dafd5a47562445854a3f1f7fc39634e9adf9ca7bdc846b84898d76ab26381dc.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1904
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x470
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1904-54-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

    Filesize

    8KB