Analysis

  • max time kernel
    123s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2022 02:35

General

  • Target

    b97c02613a99fc8c167931f65d385bb916e8130498f234014fccaa79ac2f650a.exe

  • Size

    1.3MB

  • MD5

    587fe259bdb4a4e288a6fe4d12170c77

  • SHA1

    ea3411c546cc5a698277d5cea00d0753f0f692cf

  • SHA256

    b97c02613a99fc8c167931f65d385bb916e8130498f234014fccaa79ac2f650a

  • SHA512

    bb987e1cf7bd4e067c1f78447816392e63046c2e705e8cbb58f65bd67b6fffa70602b57978bfc623efb2088e8065a60051f83fffe2b322924504ac20c208430d

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9gt2dYy49NNoUsM+upZdnkFmxxT:EEsJnEevhTHZOycdYy49joUX5dn/Rp

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\b97c02613a99fc8c167931f65d385bb916e8130498f234014fccaa79ac2f650a.exe
    "C:\Users\Admin\AppData\Local\Temp\b97c02613a99fc8c167931f65d385bb916e8130498f234014fccaa79ac2f650a.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1488
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x468
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:740

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1488-54-0x0000000076681000-0x0000000076683000-memory.dmp

    Filesize

    8KB