Analysis

  • max time kernel
    100s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2022 18:38

General

  • Target

    beca49ea6876f51694107773a96e75ae9d41857c089c4384497bdf373796ab1b.exe

  • Size

    1.4MB

  • MD5

    a30e560012426da0c734d83d85ba29f7

  • SHA1

    d6bef842798d34233358044fe156b558d3a31890

  • SHA256

    beca49ea6876f51694107773a96e75ae9d41857c089c4384497bdf373796ab1b

  • SHA512

    23b09d9173223507ccbafef5d7e03d420200c7fbc85e3b906b7ea94bba7553b03652534f240ec8d5ca6cb1ab85099d9dfaac4c63016ed3b09763c4bac3c8fa9f

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9grNei2iGSYsFv77QHZNz:EEsJnEevhTHZOyrUFiGsFvw5l

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\beca49ea6876f51694107773a96e75ae9d41857c089c4384497bdf373796ab1b.exe
    "C:\Users\Admin\AppData\Local\Temp\beca49ea6876f51694107773a96e75ae9d41857c089c4384497bdf373796ab1b.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:748
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x554
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:876

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/748-54-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

    Filesize

    8KB