Analysis

  • max time kernel
    147s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2022 03:19

General

  • Target

    bce573d9e740c20f3680dcade906a2ece9e47c8aaa48637ab863441e6a6f5d26.exe

  • Size

    1.0MB

  • MD5

    8aa6403f57d208b39c44b171a678eaf6

  • SHA1

    8d9864c90073bd9118e6bf571577856e313eebb1

  • SHA256

    bce573d9e740c20f3680dcade906a2ece9e47c8aaa48637ab863441e6a6f5d26

  • SHA512

    738eafd6d44a676c189d479a9f5f0c6492479054f7ef2a1520d538738e5ff2a95022adc75a5b6827ec7de78413dab15e8fa05dd3f94e91bdb339e7a645c802de

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9gVMd0Jk8:EEsJnEevhTHZOyVY0JT

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\bce573d9e740c20f3680dcade906a2ece9e47c8aaa48637ab863441e6a6f5d26.exe
    "C:\Users\Admin\AppData\Local\Temp\bce573d9e740c20f3680dcade906a2ece9e47c8aaa48637ab863441e6a6f5d26.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1952
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x580
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1952-54-0x0000000075981000-0x0000000075983000-memory.dmp

    Filesize

    8KB