Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2022, 00:42

General

  • Target
    file.exe
  • Size 341KB
  • Sample221121-a2cjqabe33
  • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.50

C2
  • 193.56.146.194/h49vlBP/index.php

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 4 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 2 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 6 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:2012
    • 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
      • Suspicious use of WriteProcessMemory
      PID:712
      • 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:4144
      • 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
        • outlook_win_path
        PID:2568
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 1260
      2⤵
      • Program crash
      PID:3496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 876
      2⤵
      • Program crash
      PID:5012
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2012 -ip 2012
    1⤵
      PID:3052
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2012 -ip 2012
      1⤵
        PID:4676
      • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:1748
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 436
          2⤵
          • Program crash
          PID:4716
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 468
          2⤵
          • Program crash
          PID:2716
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1748 -ip 1748
        1⤵
          PID:4408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 1748 -ip 1748
          1⤵
            PID:3672
          • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
            C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
            1⤵
            • Executes dropped EXE
            PID:2164
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 428
              2⤵
              • Program crash
              PID:4836
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 448
              2⤵
              • Program crash
              PID:4640
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 2164 -ip 2164
            1⤵
              PID:1840
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 2164 -ip 2164
              1⤵
                PID:916

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    rovwer.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
                    • Size 341KB
                    • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
                    • MD5 SHA1 SHA512 SSDEEP

                    rovwer.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
                    • Size 341KB
                    • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
                    • MD5 SHA1 SHA512 SSDEEP

                    rovwer.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
                    • Size 341KB
                    • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
                    • MD5 SHA1 SHA512 SSDEEP

                    rovwer.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
                    • Size 341KB
                    • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
                    • MD5 SHA1 SHA512 SSDEEP

                    cred64.dll

                    • Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                    • Size 126KB
                    • SHA256 de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
                    • MD5 SHA1 SHA512 SSDEEP

                    cred64.dll

                    • Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                    • Size 126KB
                    • SHA256 de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
                    • MD5 SHA1 SHA512 SSDEEP

                    cred64.dll

                    • Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                    • Size 126KB
                    • SHA256 de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/712-142-0x0000000000400000-0x000000000045B000-memory.dmp

                    memory/712-138-0x000000000056B000-0x000000000058A000-memory.dmp

                    memory/712-141-0x000000000056B000-0x000000000058A000-memory.dmp

                    memory/712-139-0x0000000000400000-0x000000000045B000-memory.dmp

                    memory/1748-149-0x000000000073F000-0x000000000075E000-memory.dmp

                    memory/1748-150-0x0000000000400000-0x000000000045B000-memory.dmp

                    memory/2012-137-0x0000000000400000-0x000000000045B000-memory.dmp

                    memory/2012-136-0x0000000002080000-0x00000000020BE000-memory.dmp

                    memory/2012-135-0x00000000007FC000-0x000000000081B000-memory.dmp

                    memory/2164-152-0x000000000071E000-0x000000000073E000-memory.dmp

                    memory/2164-153-0x0000000000400000-0x000000000045B000-memory.dmp

                    memory/2568-148-0x0000000000860000-0x0000000000884000-memory.dmp