Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

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

General

  • Target

    4db2cf6e3918ee509cd36cdbfbd7f7d4c2a5203a07812c3d74bc1951138c6fa2.exe

  • Size

    1.1MB

  • MD5

    7130377278032d47eb80272eb98eabfa

  • SHA1

    1540df76c6b4247d1feb68157e86d969d2b22a29

  • SHA256

    4db2cf6e3918ee509cd36cdbfbd7f7d4c2a5203a07812c3d74bc1951138c6fa2

  • SHA512

    005334db4d1fc876418901f48f73d064818bc41302d2e4b36404d4de927aa5ee41b00edde44c52df2962a1eaa7b38f7b2b0e4084b961e34d5547d6b295cf65e9

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9gY+wSjP0395dvnIai2+:EEsJnEevhTHZOyYwsFgai7

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4db2cf6e3918ee509cd36cdbfbd7f7d4c2a5203a07812c3d74bc1951138c6fa2.exe
    "C:\Users\Admin\AppData\Local\Temp\4db2cf6e3918ee509cd36cdbfbd7f7d4c2a5203a07812c3d74bc1951138c6fa2.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:900
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x540
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/900-54-0x00000000762D1000-0x00000000762D3000-memory.dmp

    Filesize

    8KB