Analysis

  • max time kernel
    60s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

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

General

  • Target

    a8702c42ed430d4ee11360c3d7bf4ba80c97726d5274f38e3a474e6dcc76ed7d.exe

  • Size

    1.0MB

  • MD5

    72b6376e34818668807ae6fbb8c0a63e

  • SHA1

    cadd697c09c4a1f2247e79f9da0800675e8d00f6

  • SHA256

    a8702c42ed430d4ee11360c3d7bf4ba80c97726d5274f38e3a474e6dcc76ed7d

  • SHA512

    87bed3f049f11029f27d5c57cacd691e3a18493c456c7676928e388847b064f2b5767cd79079de63f64d7c8599986091b01a4b8a27a66648ec9ec88f710f5545

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9gyuMLAhl+6xMo4D:EEsJnEevhTHZOyyNLAhwnv

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\a8702c42ed430d4ee11360c3d7bf4ba80c97726d5274f38e3a474e6dcc76ed7d.exe
    "C:\Users\Admin\AppData\Local\Temp\a8702c42ed430d4ee11360c3d7bf4ba80c97726d5274f38e3a474e6dcc76ed7d.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1960
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x2f4
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1348

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1960-54-0x00000000751A1000-0x00000000751A3000-memory.dmp

    Filesize

    8KB