Analysis

  • max time kernel
    165s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-05-2022 22:33

General

  • Target

    3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe

  • Size

    1.3MB

  • MD5

    b4fb0f1fa17aba09434c3dd447869137

  • SHA1

    b860c2a05518a30a1bfba0ee83f18ab2ce5cf239

  • SHA256

    3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a

  • SHA512

    97f9dfc5e934ec6405dd23d254d33752517d8b416dc7038306655c9b3e9f5ba958fb4512a4e0d76e2d9f9ce11fe7fbe3104f43453ebadc4d0cf27e2a404b0b99

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe
    "C:\Users\Admin\AppData\Local\Temp\3df02c782366fd5761b0454eec884a8d503814608126b36aa0a385949cc43e9a.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Users\Admin\AppData\Local\Temp\RECEIPT.bmp
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4288
      • C:\Windows\SysWOW64\mspaint.exe
        "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\RECEIPT.bmp"
        3⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:5116
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
    1⤵
      PID:4496

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/4288-133-0x0000000000000000-mapping.dmp

    • memory/5116-134-0x0000000000000000-mapping.dmp