Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2022 02:56

General

  • Target

    d4253c8bb17854828b4f65c9a508cb0f718f7039f381960df672a4dfb948180c.exe

  • Size

    2.0MB

  • MD5

    2746f4d78ff222797a63989670be0925

  • SHA1

    1661bf5b02722628527874069219283064f308c8

  • SHA256

    d4253c8bb17854828b4f65c9a508cb0f718f7039f381960df672a4dfb948180c

  • SHA512

    0a543ef2e6ce6eed9e6b9e5dd8dd5675aedc12dd4eaf7ad1b65fa2cc56cd859ae6795ae9e7efd389356770495a4f6db82b3c22271565afbd1a061cb39e2ba308

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9g5/Kl78pP4+qVeyvb14ubpYUOO:EEsJnEevhTHZOy53fqP2OXTLg9JnIAyD

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4253c8bb17854828b4f65c9a508cb0f718f7039f381960df672a4dfb948180c.exe
    "C:\Users\Admin\AppData\Local\Temp\d4253c8bb17854828b4f65c9a508cb0f718f7039f381960df672a4dfb948180c.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1436
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x4a4
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1612

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1436-54-0x0000000075711000-0x0000000075713000-memory.dmp

    Filesize

    8KB