Analysis

  • max time kernel
    147s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2024, 14:44

General

  • Target

    378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe

  • Size

    280KB

  • MD5

    bbef91512706a73ab565b9b3d48d72a7

  • SHA1

    6dea225c90f2be69c230a1b2c61f4aa9756b4d8a

  • SHA256

    378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a

  • SHA512

    28134748828618c01780236939cb3d1e8b21d5a23e89812a6cff8566b815894dfb654b8c8f7ef7c3c250c8a72c8783425b865948d08b56d4b79106e5fb22b56a

  • SSDEEP

    6144:DGiLSorTu62X507BLwhjwLO++BN8oZHk5o:xOovSgO8z+BPa

Malware Config

Extracted

Family

amadey

Version

3.61

Botnet

cafd42

C2

http://62.204.41.79

Attributes
  • install_dir

    35731ceaf0

  • install_file

    gntuud.exe

  • strings_key

    29ad5994adb6f4ebc9a42a4a96ba1ca2

  • url_paths

    /U7vfDb3kg/index.php

rc4.plain

Signatures

  • Amadey

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

  • Amadey family
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe
    "C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:640
      • 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\35731ceaf0\gntuud.exe" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 1136
      2⤵
      • Program crash
      PID:1936
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1180 -ip 1180
    1⤵
      PID:4420
    • C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:2540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 312
        2⤵
        • Program crash
        PID:4728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2540 -ip 2540
      1⤵
        PID:3372
      • C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:1244
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 312
          2⤵
          • Program crash
          PID:4100
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1244 -ip 1244
        1⤵
          PID:2004
        • C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
          C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
          1⤵
          • Executes dropped EXE
          PID:4280
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 312
            2⤵
            • Program crash
            PID:3436
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4280 -ip 4280
          1⤵
            PID:2260

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

            Filesize

            280KB

            MD5

            bbef91512706a73ab565b9b3d48d72a7

            SHA1

            6dea225c90f2be69c230a1b2c61f4aa9756b4d8a

            SHA256

            378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a

            SHA512

            28134748828618c01780236939cb3d1e8b21d5a23e89812a6cff8566b815894dfb654b8c8f7ef7c3c250c8a72c8783425b865948d08b56d4b79106e5fb22b56a

          • memory/640-22-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/640-49-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/640-40-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/640-34-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/640-23-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/640-21-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/640-20-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/1180-18-0x00000000008F0000-0x000000000092C000-memory.dmp

            Filesize

            240KB

          • memory/1180-17-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/1180-1-0x0000000000520000-0x0000000000620000-memory.dmp

            Filesize

            1024KB

          • memory/1180-19-0x0000000000400000-0x0000000000441000-memory.dmp

            Filesize

            260KB

          • memory/1180-3-0x0000000000400000-0x0000000000441000-memory.dmp

            Filesize

            260KB

          • memory/1180-2-0x00000000008F0000-0x000000000092C000-memory.dmp

            Filesize

            240KB

          • memory/1244-38-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/1244-39-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/2540-27-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/2540-28-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/2540-29-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/4280-48-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB