Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2022 18:43

General

  • Target

    16050819a2bb1ba21e892a41fe460f31d797477b8172c62f5eee5a735bfb07f5.exe

  • Size

    1.6MB

  • MD5

    8000c92c8f8ad8f8733314789f472e3a

  • SHA1

    1da7a7245f9cb9ff75d2f34e67f225935e482905

  • SHA256

    16050819a2bb1ba21e892a41fe460f31d797477b8172c62f5eee5a735bfb07f5

  • SHA512

    83aa8d06e552b68d4b5f60641f978d49d45e3d0409982a5c7a73c3b62069aec3db13a48382f9012023344955d334a29e50a825c02971932346512ef027316285

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9g8EzE/D9EX5sTeGqRcyEIyh6e2:EEsJnEevhTHZOy879E9zzEIyhhvavpZr

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\16050819a2bb1ba21e892a41fe460f31d797477b8172c62f5eee5a735bfb07f5.exe
    "C:\Users\Admin\AppData\Local\Temp\16050819a2bb1ba21e892a41fe460f31d797477b8172c62f5eee5a735bfb07f5.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1368
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x1d4
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1368-54-0x0000000074E41000-0x0000000074E43000-memory.dmp

    Filesize

    8KB