Analysis

  • max time kernel
    132s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2023, 12:47

General

  • Target
    30e243e05fe0bc02ac1a447f471f7168.exe
  • Size 219KB
  • Sample230930-pz63wade52
  • SHA256 21e1fbc1ce0b6ba128af488fe54a09a8ca65282345d41adb3d962c977f02e2e6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • amadey

Version
  • 3.89

C2
  • http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Signatures

  • Amadey

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30e243e05fe0bc02ac1a447f471f7168.exe
    "C:\Users\Admin\AppData\Local\Temp\30e243e05fe0bc02ac1a447f471f7168.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe
      "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN explothe.exe /TR "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:1240
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "explothe.exe" /P "Admin:N"&&CACLS "explothe.exe" /P "Admin:R" /E&&echo Y|CACLS "..\fefffe8cea" /P "Admin:N"&&CACLS "..\fefffe8cea" /P "Admin:R" /E&&Exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:972
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo Y"
          4⤵
            PID:4780
          • C:\Windows\SysWOW64\cacls.exe
            CACLS "explothe.exe" /P "Admin:N"
            4⤵
              PID:3116
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "explothe.exe" /P "Admin:R" /E
              4⤵
                PID:1296
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                4⤵
                  PID:456
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "..\fefffe8cea" /P "Admin:N"
                  4⤵
                    PID:3320
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\fefffe8cea" /P "Admin:R" /E
                    4⤵
                      PID:4960
                  • C:\Windows\SysWOW64\rundll32.exe
                    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
                    3⤵
                    • Loads dropped DLL
                    PID:4984
              • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe
                C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe
                1⤵
                • Executes dropped EXE
                PID:752
              • C:\Windows\system32\rundll32.exe
                "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
                1⤵
                  PID:4724
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k UnistackSvcGroup
                  1⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4872
                • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe
                  C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe
                  1⤵
                  • Executes dropped EXE
                  PID:972

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      explothe.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe
                      • Size 219KB
                      • SHA256 21e1fbc1ce0b6ba128af488fe54a09a8ca65282345d41adb3d962c977f02e2e6
                      • MD5 SHA1 SHA512 SSDEEP

                      explothe.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe
                      • Size 219KB
                      • SHA256 21e1fbc1ce0b6ba128af488fe54a09a8ca65282345d41adb3d962c977f02e2e6
                      • MD5 SHA1 SHA512 SSDEEP

                      explothe.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe
                      • Size 219KB
                      • SHA256 21e1fbc1ce0b6ba128af488fe54a09a8ca65282345d41adb3d962c977f02e2e6
                      • MD5 SHA1 SHA512 SSDEEP

                      explothe.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe
                      • Size 219KB
                      • SHA256 21e1fbc1ce0b6ba128af488fe54a09a8ca65282345d41adb3d962c977f02e2e6
                      • MD5 SHA1 SHA512 SSDEEP

                      explothe.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explothe.exe
                      • Size 219KB
                      • SHA256 21e1fbc1ce0b6ba128af488fe54a09a8ca65282345d41adb3d962c977f02e2e6
                      • MD5 SHA1 SHA512 SSDEEP

                      clip64.dll

                      • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
                      • Size 89KB
                      • SHA256 4cf5b584cf79ac523f645807a65bc153fbeaa564c0e1acb4dac9004fc9d038da
                      • MD5 SHA1 SHA512 SSDEEP

                      clip64.dll

                      • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
                      • Size 89KB
                      • SHA256 4cf5b584cf79ac523f645807a65bc153fbeaa564c0e1acb4dac9004fc9d038da
                      • MD5 SHA1 SHA512 SSDEEP

                      clip64.dll

                      • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
                      • Size 89KB
                      • SHA256 4cf5b584cf79ac523f645807a65bc153fbeaa564c0e1acb4dac9004fc9d038da
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll
                      • Size 273B
                      • SHA256 5f3c80056c7b1104c15d6fee49dac07e665c6ffd0795ad486803641ed619c529
                      • MD5 SHA1 SHA512

                      memory/4872-39-0x00000204B6440000-0x00000204B6450000-memory.dmp

                      memory/4872-55-0x00000204BE760000-0x00000204BE761000-memory.dmp

                      memory/4872-57-0x00000204BE790000-0x00000204BE791000-memory.dmp

                      memory/4872-58-0x00000204BE790000-0x00000204BE791000-memory.dmp

                      memory/4872-59-0x00000204BE8A0000-0x00000204BE8A1000-memory.dmp

                      memory/4872-23-0x00000204B6340000-0x00000204B6350000-memory.dmp