Overview

overview

10

Static

static

df363903df...fe.exe

windows7_x64

10

df363903df...fe.exe

windows10_x64

10

Analysis

  • max time kernel
    140s
  • max time network
    171s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    23/08/2021, 12:36

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General

  • Target
    df363903dff4aadee5ac1151b1caf8fe.exe
  • Size 321KB
  • Sample210823-3d3f3mn7ss
  • SHA256 73a03dfe6ff46aa1490f72f3b0e5f4886ffc5622d42acf4cc1ba0a706f6d04bd
  • MD5 SHA1 SHA512
Score
10/10
suricata

Malware Config

Signatures

  • suricata: ET MALWARE Amadey CnC Check-In

    suricata: ET MALWARE Amadey CnC Check-In

    suricata
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df363903dff4aadee5ac1151b1caf8fe.exe
    "C:\Users\Admin\AppData\Local\Temp\df363903dff4aadee5ac1151b1caf8fe.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Local\Temp\bd1299733e\rnyuf.exe
      "C:\Users\Admin\AppData\Local\Temp\bd1299733e\rnyuf.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1420
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\bd1299733e\
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1708
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\bd1299733e\
          4⤵
            PID:1696
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rnyuf.exe /TR "C:\Users\Admin\AppData\Local\Temp\bd1299733e\rnyuf.exe" /F
          3⤵
          • Creates scheduled task(s)
          PID:468
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {9CF324A1-80A2-4055-A169-15CD5D549716} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:556
      • C:\Users\Admin\AppData\Local\Temp\bd1299733e\rnyuf.exe
        C:\Users\Admin\AppData\Local\Temp\bd1299733e\rnyuf.exe
        2⤵
        • Executes dropped EXE
        PID:1664
      • C:\Users\Admin\AppData\Local\Temp\bd1299733e\rnyuf.exe
        C:\Users\Admin\AppData\Local\Temp\bd1299733e\rnyuf.exe
        2⤵
        • Executes dropped EXE
        PID:1748

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1420-72-0x0000000000400000-0x00000000023BA000-memory.dmp
          Download

          memory/1652-60-0x0000000075561000-0x0000000075563000-memory.dmp
          Download

          memory/1652-66-0x0000000000400000-0x00000000023BA000-memory.dmp
          Download

          memory/1652-65-0x0000000000250000-0x0000000000283000-memory.dmp
          Download

          memory/1664-78-0x0000000000400000-0x00000000023BA000-memory.dmp
          Download

          memory/1748-83-0x0000000000400000-0x00000000023BA000-memory.dmp
          Download