Analysis

  • max time kernel
    145s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/03/2023, 11:29

General

  • Target
    SecuriteInfo.com.Variant.Doina.48774.3540.14436.exe
  • Size 244KB
  • Sample230320-nlj6hsdc33
  • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.65

C2
  • 77.73.134.27/8bmdh3Slb2/index.php

Signatures

  • Amadey

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

  • Downloads MZ/PE file
  • 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 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Doina.48774.3540.14436.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Doina.48774.3540.14436.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
      "C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4172
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN nbveek.exe /TR "C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:2548
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "nbveek.exe" /P "Admin:N"&&CACLS "nbveek.exe" /P "Admin:R" /E&&echo Y|CACLS "..\16de06bfb4" /P "Admin:N"&&CACLS "..\16de06bfb4" /P "Admin:R" /E&&Exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1500
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo Y"
          4⤵
            PID:324
          • C:\Windows\SysWOW64\cacls.exe
            CACLS "nbveek.exe" /P "Admin:N"
            4⤵
              PID:348
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "nbveek.exe" /P "Admin:R" /E
              4⤵
                PID:5100
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                4⤵
                  PID:828
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "..\16de06bfb4" /P "Admin:N"
                  4⤵
                    PID:4164
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\16de06bfb4" /P "Admin:R" /E
                    4⤵
                      PID:5080
                  • C:\Windows\SysWOW64\rundll32.exe
                    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll, Main
                    3⤵
                    • Loads dropped DLL
                    • Suspicious use of WriteProcessMemory
                    PID:2684
                    • C:\Windows\system32\rundll32.exe
                      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll, Main
                      4⤵
                      • Loads dropped DLL
                      PID:984
                      • C:\Windows\system32\WerFault.exe
                        C:\Windows\system32\WerFault.exe -u -p 984 -s 644
                        5⤵
                        • Program crash
                        PID:1996
                  • C:\Windows\SysWOW64\rundll32.exe
                    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\clip64.dll, Main
                    3⤵
                    • Loads dropped DLL
                    PID:1484
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -pss -s 460 -p 984 -ip 984
                1⤵
                  PID:3348
                • C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                  C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4964
                • C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                  C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                  1⤵
                  • Executes dropped EXE
                  PID:3320

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

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                      Downloads

                      nbveek.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                      • Size 244KB
                      • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                      • MD5 SHA1 SHA512 SSDEEP

                      nbveek.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                      • Size 244KB
                      • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                      • MD5 SHA1 SHA512 SSDEEP

                      nbveek.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                      • Size 244KB
                      • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                      • MD5 SHA1 SHA512 SSDEEP

                      nbveek.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                      • Size 244KB
                      • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                      • MD5 SHA1 SHA512 SSDEEP

                      nbveek.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\16de06bfb4\nbveek.exe
                      • Size 244KB
                      • SHA256 619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
                      • MD5 SHA1 SHA512 SSDEEP

                      675742406747

                      • Path C:\Users\Admin\AppData\Local\Temp\675742406747
                      • Size 83KB
                      • SHA256 4f7cc805e5969f5c4e451068cc06087320636b490f6c1f78232dd3c9fa944710
                      • MD5 SHA1 SHA512 SSDEEP

                      clip64.dll

                      • Path C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\clip64.dll
                      • Size 89KB
                      • SHA256 b1f486289739badf85c2266b7c2bbbc6c620b05a6084081d09d0911c51f7c401
                      • MD5 SHA1 SHA512 SSDEEP

                      clip64.dll

                      • Path C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\clip64.dll
                      • Size 89KB
                      • SHA256 b1f486289739badf85c2266b7c2bbbc6c620b05a6084081d09d0911c51f7c401
                      • MD5 SHA1 SHA512 SSDEEP

                      clip64.dll

                      • Path C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\clip64.dll
                      • Size 89KB
                      • SHA256 b1f486289739badf85c2266b7c2bbbc6c620b05a6084081d09d0911c51f7c401
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                      • Size 1.0MB
                      • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                      • Size 1.0MB
                      • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                      • Size 1.0MB
                      • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path C:\Users\Admin\AppData\Roaming\07c6bc37dc5087\cred64.dll
                      • Size 1.0MB
                      • SHA256 b597b1c638ae81f03ec4baafa68dda316d57e6398fe095a58ecc89e8bcc61855
                      • MD5 SHA1 SHA512 SSDEEP