Analysis

  • max time kernel
    317s
  • max time network
    391s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 02:11

General

  • Target
    file.exe
  • Size 206KB
  • Sample221127-cl9wdscc36
  • SHA256 2f3b5d425fe0b25e603d45df96083ee623bcbcd3df09ac0c260d28e1d5f5e174
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • amadey

Version
  • 3.50

C2
  • 31.41.244.17/hfk3vK9/index.php

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4352
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3020
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:4844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 1264
      2⤵
      • Program crash
      PID:312
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4352 -ip 4352
    1⤵
      PID:3900

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          gntuud.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
          • Size 206KB
          • SHA256 2f3b5d425fe0b25e603d45df96083ee623bcbcd3df09ac0c260d28e1d5f5e174
          • MD5 SHA1 SHA512 SSDEEP

          gntuud.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
          • Size 206KB
          • SHA256 2f3b5d425fe0b25e603d45df96083ee623bcbcd3df09ac0c260d28e1d5f5e174
          • MD5 SHA1 SHA512 SSDEEP

          memory/3020-138-0x000000000065C000-0x000000000067B000-memory.dmp

          memory/3020-139-0x00000000005E0000-0x000000000061E000-memory.dmp

          memory/3020-140-0x0000000000400000-0x0000000000469000-memory.dmp

          memory/3020-143-0x000000000065C000-0x000000000067B000-memory.dmp

          memory/3020-144-0x0000000000400000-0x0000000000469000-memory.dmp

          memory/4352-134-0x0000000000400000-0x0000000000469000-memory.dmp

          memory/4352-133-0x00000000021A0000-0x00000000021DE000-memory.dmp

          memory/4352-132-0x000000000060D000-0x000000000062C000-memory.dmp

          memory/4352-142-0x0000000000400000-0x0000000000469000-memory.dmp