Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    27/09/2021, 15:28

General

  • Target
    PO CONSULTA DE PEDIDOS DE TEXOPOL,pdf.exe
  • Size 985KB
  • Sample210927-swcxeahddj
  • SHA256 37cc8d06cb1500b90001e9307464c2f7a2d603c54ef604db7b840b635900d365
  • MD5 SHA1 SHA512
Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Modifies registry key 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO CONSULTA DE PEDIDOS DE TEXOPOL,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO CONSULTA DE PEDIDOS DE TEXOPOL,pdf.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Windows\SysWOW64\secinit.exe
      "C:\Windows\System32\secinit.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1144
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 172
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:868
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Trast.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1312
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1368
        • C:\Windows\SysWOW64\reg.exe
          reg delete hkcu\Environment /v windir /f
          4⤵
          • Modifies registry key
          PID:464
        • C:\Windows\SysWOW64\reg.exe
          reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
          4⤵
          • Modifies registry key
          PID:1516
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
          4⤵
            PID:640
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Public\nest.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1916
        • C:\Windows\SysWOW64\reg.exe
          reg delete hkcu\Environment /v windir /f
          3⤵
          • Modifies registry key
          PID:1756

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/368-62-0x00000000002B0000-0x00000000002B1000-memory.dmp

          memory/368-60-0x0000000075C71000-0x0000000075C73000-memory.dmp

          memory/868-78-0x00000000002C0000-0x00000000002C1000-memory.dmp

          memory/1144-75-0x00000000000A0000-0x00000000000A1000-memory.dmp

          memory/1144-74-0x0000000050600000-0x000000005067C000-memory.dmp

          memory/1144-73-0x0000000000240000-0x0000000000241000-memory.dmp

          memory/1144-72-0x0000000000120000-0x0000000000121000-memory.dmp