Analysis

  • max time kernel
    112s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 22:51

General

  • Target
    e7b81196130cbeaf457190262617a1c1bf42ab54fab13d8d60e4c9ec3f09911a.exe
  • Size 5.3MB
  • Sample221107-2stv7adcc2
  • SHA256 e7b81196130cbeaf457190262617a1c1bf42ab54fab13d8d60e4c9ec3f09911a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • joker

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

  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 3 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 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7b81196130cbeaf457190262617a1c1bf42ab54fab13d8d60e4c9ec3f09911a.exe
    "C:\Users\Admin\AppData\Local\Temp\e7b81196130cbeaf457190262617a1c1bf42ab54fab13d8d60e4c9ec3f09911a.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:1780

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MSINET.OCX

        • Path C:\Users\Admin\AppData\Local\Temp\MSINET.OCX
        • Size 128KB
        • SHA256 c11615f4561755632da7469e6c5fbf3ead40e0d9747030c90077b70115692ce3
        • MD5 SHA1 SHA512 SSDEEP

        MSINET.OCX

        • Path C:\Users\Admin\AppData\Local\Temp\MSINET.OCX
        • Size 128KB
        • SHA256 c11615f4561755632da7469e6c5fbf3ead40e0d9747030c90077b70115692ce3
        • MD5 SHA1 SHA512 SSDEEP

        memory/1780-132-0x0000000000400000-0x0000000000F2E000-memory.dmp

        memory/1780-133-0x0000000000400000-0x0000000000F2E000-memory.dmp

        memory/1780-134-0x0000000000400000-0x0000000000F2E000-memory.dmp

        memory/1780-139-0x0000000000400000-0x0000000000F2E000-memory.dmp