Analysis

  • max time kernel
    153s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 12:20

General

  • Target
    58ab164530a5835fd4c8ef3aff4f1d12c2fca4e63f2b8d07c28df48055142b32.exe
  • Size 768KB
  • Sample221106-ph9gnsbah4
  • SHA256 58ab164530a5835fd4c8ef3aff4f1d12c2fca4e63f2b8d07c28df48055142b32
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • joker

    Joker is an Android malware that targets billing and SMS fraud.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 16 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58ab164530a5835fd4c8ef3aff4f1d12c2fca4e63f2b8d07c28df48055142b32.exe
    "C:\Users\Admin\AppData\Local\Temp\58ab164530a5835fd4c8ef3aff4f1d12c2fca4e63f2b8d07c28df48055142b32.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:988

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/988-132-0x0000000000400000-0x0000000000588000-memory.dmp

        memory/988-135-0x0000000000400000-0x0000000000588000-memory.dmp

        memory/988-136-0x0000000000400000-0x0000000000588000-memory.dmp