Analysis

  • max time kernel
    147s
  • 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 03:16

General

  • Target

    412b2ceac41803a9015014ac402185ba2cf4df2ecbd8140cb244c7ca318e2bcd.exe

  • Size

    1.9MB

  • MD5

    5401a38a4959ab3d028fbed33da32edf

  • SHA1

    423de8bb4993fb10fb4ed7074f19ec2f53f06b8b

  • SHA256

    412b2ceac41803a9015014ac402185ba2cf4df2ecbd8140cb244c7ca318e2bcd

  • SHA512

    c2792e2dfc778e47d16cfc36922060b410e79218ef64d2e55e4fc2a70de5238c399a5b1d8b60c656fd45fba25c27bdd2791aad7d5809aca3119b59c5c0529890

  • SSDEEP

    49152:EEsJnEevhTHZOyn7+U1ZfXHfTZFs/4OzaR:EEwnESZ1ZPdFsPzaR

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 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\412b2ceac41803a9015014ac402185ba2cf4df2ecbd8140cb244c7ca318e2bcd.exe
    "C:\Users\Admin\AppData\Local\Temp\412b2ceac41803a9015014ac402185ba2cf4df2ecbd8140cb244c7ca318e2bcd.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:1500
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x144
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1012

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1500-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

    Filesize

    8KB