Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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
  • 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).

  • 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 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe
    "C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:388
    • C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:592
      • 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:2136
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B47C159A-3C41-4B1D-A671-7AEAF680A235} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:2596
    • C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    280KB

    MD5

    bbef91512706a73ab565b9b3d48d72a7

    SHA1

    6dea225c90f2be69c230a1b2c61f4aa9756b4d8a

    SHA256

    378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a

    SHA512

    28134748828618c01780236939cb3d1e8b21d5a23e89812a6cff8566b815894dfb654b8c8f7ef7c3c250c8a72c8783425b865948d08b56d4b79106e5fb22b56a

  • memory/388-14-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/388-3-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/388-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

    Filesize

    1024KB

  • memory/388-16-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/388-15-0x0000000000220000-0x000000000025C000-memory.dmp

    Filesize

    240KB

  • memory/388-2-0x0000000000220000-0x000000000025C000-memory.dmp

    Filesize

    240KB

  • memory/592-18-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/592-19-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/592-20-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/592-22-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/592-31-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/592-35-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/1232-38-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/2596-29-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB