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Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2022, 03:02

General

  • Target

    de75c056a161d82afb7e9b62b55a0f76e0d761508c2a985f1bf81ba170a96bc9.exe

  • Size

    1.7MB

  • MD5

    52953781aa429631f9e21bb58fe7bd01

  • SHA1

    2def8770753f7eb7d7b250c99809b1a67d711fdb

  • SHA256

    de75c056a161d82afb7e9b62b55a0f76e0d761508c2a985f1bf81ba170a96bc9

  • SHA512

    1485ad1410631dff514ff361f2cb44e538f6bb3a4814265eca57b5500e6ce838901dec030a1275a76dbc853d8244074db25434af8048fc346e12852818947e09

  • SSDEEP

    49152:EEsJnEevhTHZOyS9kS/20yTQAF2XUZpgrf:EEwnESZQ9kt0aQMZpgT

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\de75c056a161d82afb7e9b62b55a0f76e0d761508c2a985f1bf81ba170a96bc9.exe
    "C:\Users\Admin\AppData\Local\Temp\de75c056a161d82afb7e9b62b55a0f76e0d761508c2a985f1bf81ba170a96bc9.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1504
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x1ac
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1172

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1504-54-0x00000000768A1000-0x00000000768A3000-memory.dmp

    Filesize

    8KB