Analysis

  • max time kernel
    178s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12/05/2022, 11:40

General

  • Target
    Item List 557 & Photos.exe
  • Size 42KB
  • Sample220512-nsvktsdac8
  • SHA256 da6abf1cf5f714cb5ce1529f5e2ef93201325fb9eb45af81fd22d82fb3857d77
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Item List 557 & Photos.exe
    "C:\Users\Admin\AppData\Local\Temp\Item List 557 & Photos.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AEEAcgB0AC0AUwBsAEUAZQBQACAALQBzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 10
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:100
      • C:\Windows\SysWOW64\timeout.exe
        timeout 10
        3⤵
        • Delays execution with timeout.exe
        PID:1964

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2696-132-0x0000000002D90000-0x0000000002DC6000-memory.dmp

        memory/2696-133-0x00000000056C0000-0x0000000005CE8000-memory.dmp

        memory/2696-134-0x00000000053C0000-0x00000000053E2000-memory.dmp

        memory/2696-135-0x0000000005CF0000-0x0000000005D56000-memory.dmp

        memory/2696-136-0x0000000005D60000-0x0000000005DC6000-memory.dmp

        memory/2696-137-0x0000000006390000-0x00000000063AE000-memory.dmp

        memory/2696-138-0x0000000007A00000-0x000000000807A000-memory.dmp

        memory/2696-139-0x00000000068B0000-0x00000000068CA000-memory.dmp

        memory/2744-130-0x00000000006E0000-0x00000000006F0000-memory.dmp