Analysis

  • max time kernel
    115s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/11/2022, 13:11

General

  • Target
    file.exe
  • Size 221KB
  • Sample221117-qext5sed84
  • SHA256 6897941ca29d9bbf9692dd675d5ebcc4eed8ba09d023d8dadc2a57aca48512e7
  • 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 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:488
    • 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:4136
      • 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:4796
      • 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:4928
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 488 -s 1256
      2⤵
      • Program crash
      PID:4368
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 488 -ip 488
    1⤵
      PID:4412
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      1⤵
      • Executes dropped EXE
      PID:4968
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 416
        2⤵
        • Program crash
        PID:3636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4968 -ip 4968
      1⤵
        PID:4936
      • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:4768
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 416
          2⤵
          • Program crash
          PID:2268
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4768 -ip 4768
        1⤵
          PID:1824

        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 221KB
              • SHA256 6897941ca29d9bbf9692dd675d5ebcc4eed8ba09d023d8dadc2a57aca48512e7
              • MD5 SHA1 SHA512 SSDEEP

              rovwer.exe

              • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
              • Size 221KB
              • SHA256 6897941ca29d9bbf9692dd675d5ebcc4eed8ba09d023d8dadc2a57aca48512e7
              • MD5 SHA1 SHA512 SSDEEP

              rovwer.exe

              • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
              • Size 221KB
              • SHA256 6897941ca29d9bbf9692dd675d5ebcc4eed8ba09d023d8dadc2a57aca48512e7
              • MD5 SHA1 SHA512 SSDEEP

              rovwer.exe

              • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
              • Size 221KB
              • SHA256 6897941ca29d9bbf9692dd675d5ebcc4eed8ba09d023d8dadc2a57aca48512e7
              • 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/488-132-0x0000000000679000-0x0000000000698000-memory.dmp

              memory/488-138-0x0000000000679000-0x0000000000698000-memory.dmp

              memory/488-139-0x00000000022D0000-0x000000000230E000-memory.dmp

              memory/488-140-0x0000000000400000-0x000000000059C000-memory.dmp

              memory/488-133-0x00000000022D0000-0x000000000230E000-memory.dmp

              memory/488-134-0x0000000000400000-0x000000000059C000-memory.dmp

              memory/4136-141-0x0000000000618000-0x0000000000637000-memory.dmp

              memory/4136-145-0x0000000000400000-0x000000000059C000-memory.dmp

              memory/4136-144-0x0000000000618000-0x0000000000637000-memory.dmp

              memory/4136-142-0x0000000000400000-0x000000000059C000-memory.dmp

              memory/4768-153-0x00000000008BC000-0x00000000008DB000-memory.dmp

              memory/4768-154-0x0000000000400000-0x000000000059C000-memory.dmp

              memory/4968-150-0x000000000094C000-0x000000000096B000-memory.dmp

              memory/4968-151-0x0000000000400000-0x000000000059C000-memory.dmp