Analysis

  • max time kernel
    120s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 23:33

General

  • Target

    file.exe

  • Size

    227KB

  • MD5

    114b5b705fdfe9aab9c96c95a486e862

  • SHA1

    cc1484deb9151c9947da10d8828b87bc45d078b8

  • SHA256

    c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

  • SHA512

    59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

  • SSDEEP

    3072:kcHEpYUaUKMUK6Vu5xqT+3IvtrVdg815dL9ZwJ5UeCwL6EX/pG7ZrDjh8nRn081x:krrKMUK6z+3IdVy814JxL/BAp2Rn0O5

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
  • Downloads MZ/PE file
  • 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3108
    • 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:1096
      • 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:4008
      • 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:3652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3108 -s 1136
      2⤵
      • Program crash
      PID:1648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3108 -ip 3108
    1⤵
      PID:1376
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:1068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 416
        2⤵
        • Program crash
        PID:1768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1068 -ip 1068
      1⤵
        PID:948
      • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:1192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 420
          2⤵
          • Program crash
          PID:3808
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1192 -ip 1192
        1⤵
          PID:4184

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          227KB

          MD5

          114b5b705fdfe9aab9c96c95a486e862

          SHA1

          cc1484deb9151c9947da10d8828b87bc45d078b8

          SHA256

          c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

          SHA512

          59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

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

          Filesize

          227KB

          MD5

          114b5b705fdfe9aab9c96c95a486e862

          SHA1

          cc1484deb9151c9947da10d8828b87bc45d078b8

          SHA256

          c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

          SHA512

          59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

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

          Filesize

          227KB

          MD5

          114b5b705fdfe9aab9c96c95a486e862

          SHA1

          cc1484deb9151c9947da10d8828b87bc45d078b8

          SHA256

          c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

          SHA512

          59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

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

          Filesize

          227KB

          MD5

          114b5b705fdfe9aab9c96c95a486e862

          SHA1

          cc1484deb9151c9947da10d8828b87bc45d078b8

          SHA256

          c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

          SHA512

          59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

        • 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/1068-147-0x0000000000400000-0x000000000071A000-memory.dmp

          Filesize

          3.1MB

        • memory/1068-146-0x0000000000980000-0x000000000099F000-memory.dmp

          Filesize

          124KB

        • memory/1096-135-0x0000000000000000-mapping.dmp

        • memory/1096-141-0x00000000008DC000-0x00000000008FB000-memory.dmp

          Filesize

          124KB

        • memory/1096-142-0x0000000000400000-0x000000000071A000-memory.dmp

          Filesize

          3.1MB

        • memory/1096-143-0x00000000008DC000-0x00000000008FB000-memory.dmp

          Filesize

          124KB

        • memory/1096-144-0x0000000000400000-0x000000000071A000-memory.dmp

          Filesize

          3.1MB

        • memory/1192-153-0x0000000000400000-0x000000000071A000-memory.dmp

          Filesize

          3.1MB

        • memory/1192-152-0x0000000000930000-0x000000000094F000-memory.dmp

          Filesize

          124KB

        • memory/3108-132-0x000000000074D000-0x000000000076C000-memory.dmp

          Filesize

          124KB

        • memory/3108-139-0x000000000074D000-0x000000000076C000-memory.dmp

          Filesize

          124KB

        • memory/3108-140-0x0000000000400000-0x000000000071A000-memory.dmp

          Filesize

          3.1MB

        • memory/3108-134-0x0000000000400000-0x000000000071A000-memory.dmp

          Filesize

          3.1MB

        • memory/3108-133-0x0000000002310000-0x000000000234E000-memory.dmp

          Filesize

          248KB

        • memory/3652-148-0x0000000000000000-mapping.dmp

        • memory/4008-138-0x0000000000000000-mapping.dmp