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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
    22/09/2022, 03:02

General

  • Target

    a6f359bd976a179cced753ad29541cfa7920d433394f9c7e43b12618e95c3695.exe

  • Size

    1.9MB

  • MD5

    58801ba04f1ba46b13a41546e6d5ad0f

  • SHA1

    887d75eb13bb09402668d81df1279fce14c19b94

  • SHA256

    a6f359bd976a179cced753ad29541cfa7920d433394f9c7e43b12618e95c3695

  • SHA512

    8b54093498a0fa094858ebdcca05f3f109efcc1d9624fbb9a017665481c1b08a290cb8077c2d274e4e80760d262bcfb35c774ca5890e00f0f280fa1dfe771bd0

  • SSDEEP

    49152:EEsJnEevhTHZOyOyBBJKJVjjpiZkCAyXXnMkuSN/l:EEwnESZFBJEjpiZkCLHnrxNd

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6f359bd976a179cced753ad29541cfa7920d433394f9c7e43b12618e95c3695.exe
    "C:\Users\Admin\AppData\Local\Temp\a6f359bd976a179cced753ad29541cfa7920d433394f9c7e43b12618e95c3695.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:544
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0xc4
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:820

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/544-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

    Filesize

    8KB