Analysis

  • max time kernel
    114s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/11/2022, 02:59

General

  • Target
    file.exe
  • Size 252KB
  • Sample221112-dgqsdsdd32
  • SHA256 6afdfee605fea7f98b5be7fd4a50bc24181929a22530fdd01c2bc4f012ee4ba2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 6 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Loads dropped DLL 3 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 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 42 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:3352
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4248
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:4376
      • C:\Users\Admin\AppData\Local\Temp\1000004001\lego.exe
        "C:\Users\Admin\AppData\Local\Temp\1000004001\lego.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:2212
        • C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
          "C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of WriteProcessMemory
          PID:1088
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:4856
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "rovwer.exe" /P "Admin:N"&&CACLS "rovwer.exe" /P "Admin:R" /E&&echo Y|CACLS "..\99e342142d" /P "Admin:N"&&CACLS "..\99e342142d" /P "Admin:R" /E&&Exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2120
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:2748
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "rovwer.exe" /P "Admin:N"
                6⤵
                  PID:4120
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "rovwer.exe" /P "Admin:R" /E
                  6⤵
                    PID:1664
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:4316
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\99e342142d" /P "Admin:N"
                      6⤵
                        PID:1492
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\99e342142d" /P "Admin:R" /E
                        6⤵
                          PID:5024
                      • C:\Windows\SysWOW64\rundll32.exe
                        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
                        5⤵
                        • Blocklisted process makes network request
                        • Loads dropped DLL
                        • Accesses Microsoft Outlook profiles
                        • Suspicious behavior: EnumeratesProcesses
                        • outlook_win_path
                        PID:2564
                  • C:\Windows\SysWOW64\rundll32.exe
                    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main
                    3⤵
                    • Blocklisted process makes network request
                    • Loads dropped DLL
                    • Accesses Microsoft Outlook profiles
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1112
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 1136
                  2⤵
                  • Program crash
                  PID:3488
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3352 -ip 3352
                1⤵
                  PID:2116
                • C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                  C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4736
                • C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                  C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4696

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

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                      Downloads

                      lego.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\1000004001\lego.exe
                      • Size 241KB
                      • SHA256 6cfe5fe62ed600c72c474e6dfee6be689c74a820f789fbc9310fab1f68a87420
                      • MD5 SHA1 SHA512 SSDEEP

                      lego.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\1000004001\lego.exe
                      • Size 241KB
                      • SHA256 6cfe5fe62ed600c72c474e6dfee6be689c74a820f789fbc9310fab1f68a87420
                      • MD5 SHA1 SHA512 SSDEEP

                      rovwer.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
                      • Size 252KB
                      • SHA256 6afdfee605fea7f98b5be7fd4a50bc24181929a22530fdd01c2bc4f012ee4ba2
                      • MD5 SHA1 SHA512 SSDEEP

                      rovwer.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
                      • Size 252KB
                      • SHA256 6afdfee605fea7f98b5be7fd4a50bc24181929a22530fdd01c2bc4f012ee4ba2
                      • MD5 SHA1 SHA512 SSDEEP

                      rovwer.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                      • Size 241KB
                      • SHA256 6cfe5fe62ed600c72c474e6dfee6be689c74a820f789fbc9310fab1f68a87420
                      • MD5 SHA1 SHA512 SSDEEP

                      rovwer.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                      • Size 241KB
                      • SHA256 6cfe5fe62ed600c72c474e6dfee6be689c74a820f789fbc9310fab1f68a87420
                      • MD5 SHA1 SHA512 SSDEEP

                      rovwer.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                      • Size 241KB
                      • SHA256 6cfe5fe62ed600c72c474e6dfee6be689c74a820f789fbc9310fab1f68a87420
                      • MD5 SHA1 SHA512 SSDEEP

                      rovwer.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                      • Size 241KB
                      • SHA256 6cfe5fe62ed600c72c474e6dfee6be689c74a820f789fbc9310fab1f68a87420
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
                      • Size 126KB
                      • SHA256 3b82a0ea49d855327b64073872ebb6b63eee056e182be6b1935aa512628252af
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
                      • Size 126KB
                      • SHA256 3b82a0ea49d855327b64073872ebb6b63eee056e182be6b1935aa512628252af
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                      • Size 126KB
                      • SHA256 d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                      • Size 126KB
                      • SHA256 d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
                      • MD5 SHA1 SHA512 SSDEEP

                      cred64.dll

                      • Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                      • Size 126KB
                      • SHA256 d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/1112-162-0x00000000009D0000-0x00000000009F4000-memory.dmp

                      memory/3352-140-0x0000000000400000-0x000000000059A000-memory.dmp

                      memory/3352-132-0x0000000000749000-0x0000000000768000-memory.dmp

                      memory/3352-133-0x00000000022D0000-0x000000000230E000-memory.dmp

                      memory/3352-134-0x0000000000400000-0x000000000059A000-memory.dmp

                      memory/3352-139-0x0000000000749000-0x0000000000768000-memory.dmp

                      memory/4248-141-0x00000000006B8000-0x00000000006D7000-memory.dmp

                      memory/4248-142-0x0000000000400000-0x000000000059A000-memory.dmp

                      memory/4248-157-0x0000000000400000-0x000000000059A000-memory.dmp