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Analysis

  • max time kernel
    148s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2022, 02:32

General

  • Target

    b38b38ecd0e887fea8b664dd93fca94e8a8a7379118758da9810a9e79d83165b.exe

  • Size

    1.2MB

  • MD5

    7e5759cf04d10fc46ddb8714bdb2ea90

  • SHA1

    3205cf0c7afc1e8fcb12a731255834edb2b78992

  • SHA256

    b38b38ecd0e887fea8b664dd93fca94e8a8a7379118758da9810a9e79d83165b

  • SHA512

    6ececdabbe2120c2df5e4a858e1ba0ec4be2517cbbcd39a35ac6ab3f3f98ff0abd5cff9e032fbee6d90055aa5b335c78a63d5f5cbe4a17650c34056e09870af4

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9gosPGXZWV4DwTka9r:EEsJnEevhTHZOybMWVmw1

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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b38b38ecd0e887fea8b664dd93fca94e8a8a7379118758da9810a9e79d83165b.exe
    "C:\Users\Admin\AppData\Local\Temp\b38b38ecd0e887fea8b664dd93fca94e8a8a7379118758da9810a9e79d83165b.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:1096

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1096-54-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

    Filesize

    8KB