Analysis

  • max time kernel
    189s
  • max time network
    193s
  • 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 06:20

General

  • Target

    2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe

  • Size

    206KB

  • MD5

    19aa4680a02b9757425648dcec653c42

  • SHA1

    517d0093ff04b203feb8218f31ed9ebb932b3cc8

  • SHA256

    2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

  • SHA512

    43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

  • SSDEEP

    3072:HqOvgpiFl6cB5xYornydoj7+T+/kJa/rmXspbm7l48J5wOxy:9rL6eYoudK+a0aDFKuMq

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.

  • Detect Amadey credential stealer module 2 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe
    "C:\Users\Admin\AppData\Local\Temp\2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4124
    • 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:3332
      • 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:4920
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:1092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 876
      2⤵
      • Program crash
      PID:4240
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4124 -ip 4124
    1⤵
      PID:3576
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:2604
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 420
        2⤵
        • Program crash
        PID:400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2604 -ip 2604
      1⤵
        PID:4712
      • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:4832
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 420
          2⤵
          • Program crash
          PID:3352
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4832 -ip 4832
        1⤵
          PID:1284

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

          Filesize

          206KB

          MD5

          19aa4680a02b9757425648dcec653c42

          SHA1

          517d0093ff04b203feb8218f31ed9ebb932b3cc8

          SHA256

          2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

          SHA512

          43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

        • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

          Filesize

          206KB

          MD5

          19aa4680a02b9757425648dcec653c42

          SHA1

          517d0093ff04b203feb8218f31ed9ebb932b3cc8

          SHA256

          2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

          SHA512

          43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

        • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

          Filesize

          206KB

          MD5

          19aa4680a02b9757425648dcec653c42

          SHA1

          517d0093ff04b203feb8218f31ed9ebb932b3cc8

          SHA256

          2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

          SHA512

          43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

        • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

          Filesize

          206KB

          MD5

          19aa4680a02b9757425648dcec653c42

          SHA1

          517d0093ff04b203feb8218f31ed9ebb932b3cc8

          SHA256

          2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

          SHA512

          43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

        • C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll

          Filesize

          126KB

          MD5

          adbaf286228c46522e50371c4be31a03

          SHA1

          a29d644c4663b2e2b2bd92046ba0df629537c297

          SHA256

          d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

          SHA512

          74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

        • C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll

          Filesize

          126KB

          MD5

          adbaf286228c46522e50371c4be31a03

          SHA1

          a29d644c4663b2e2b2bd92046ba0df629537c297

          SHA256

          d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

          SHA512

          74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

        • memory/1092-147-0x0000000000000000-mapping.dmp

        • memory/2604-145-0x000000000078F000-0x00000000007AE000-memory.dmp

          Filesize

          124KB

        • memory/2604-146-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/3332-142-0x000000000062C000-0x000000000064B000-memory.dmp

          Filesize

          124KB

        • memory/3332-139-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/3332-138-0x000000000062C000-0x000000000064B000-memory.dmp

          Filesize

          124KB

        • memory/3332-135-0x0000000000000000-mapping.dmp

        • memory/4124-141-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/4124-140-0x000000000078D000-0x00000000007AC000-memory.dmp

          Filesize

          124KB

        • memory/4124-132-0x000000000078D000-0x00000000007AC000-memory.dmp

          Filesize

          124KB

        • memory/4124-134-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/4124-133-0x0000000000700000-0x000000000073E000-memory.dmp

          Filesize

          248KB

        • memory/4832-151-0x00000000004AF000-0x00000000004CE000-memory.dmp

          Filesize

          124KB

        • memory/4832-152-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/4920-143-0x0000000000000000-mapping.dmp