Analysis

  • max time kernel
    139s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/11/2022, 14:47

General

  • Target
    file.exe
  • Size 373KB
  • Sample221118-r5vm5shf44
  • SHA256 074e1f249ae01b95dc566b920138a53682c5bc9253b92bb6e6a564ae407fd79c
  • 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:3992
    • 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:4924
      • 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:3296
      • 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:3648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 1144
      2⤵
      • Program crash
      PID:648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3992 -ip 3992
    1⤵
      PID:1932
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      1⤵
      • Executes dropped EXE
      PID:3468
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 420
        2⤵
        • Program crash
        PID:2012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3468 -ip 3468
      1⤵
        PID:3240
      • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:3476
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 416
          2⤵
          • Program crash
          PID:3728
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3476 -ip 3476
        1⤵
          PID:4896

        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 373KB
              • SHA256 074e1f249ae01b95dc566b920138a53682c5bc9253b92bb6e6a564ae407fd79c
              • MD5 SHA1 SHA512 SSDEEP

              rovwer.exe

              • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
              • Size 373KB
              • SHA256 074e1f249ae01b95dc566b920138a53682c5bc9253b92bb6e6a564ae407fd79c
              • MD5 SHA1 SHA512 SSDEEP

              rovwer.exe

              • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
              • Size 373KB
              • SHA256 074e1f249ae01b95dc566b920138a53682c5bc9253b92bb6e6a564ae407fd79c
              • MD5 SHA1 SHA512 SSDEEP

              rovwer.exe

              • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
              • Size 373KB
              • SHA256 074e1f249ae01b95dc566b920138a53682c5bc9253b92bb6e6a564ae407fd79c
              • 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/3468-151-0x0000000000400000-0x0000000000861000-memory.dmp

              memory/3468-150-0x0000000000400000-0x0000000000861000-memory.dmp

              memory/3468-149-0x00000000008EA000-0x0000000000909000-memory.dmp

              memory/3476-153-0x00000000008AA000-0x00000000008C9000-memory.dmp

              memory/3476-154-0x0000000000400000-0x0000000000861000-memory.dmp

              memory/3992-138-0x0000000000B17000-0x0000000000B36000-memory.dmp

              memory/3992-133-0x0000000000A90000-0x0000000000ACE000-memory.dmp

              memory/3992-132-0x0000000000B17000-0x0000000000B36000-memory.dmp

              memory/3992-134-0x0000000000400000-0x0000000000861000-memory.dmp

              memory/3992-140-0x0000000000400000-0x0000000000861000-memory.dmp

              memory/3992-139-0x0000000000A90000-0x0000000000ACE000-memory.dmp

              memory/4924-142-0x0000000000A46000-0x0000000000A65000-memory.dmp

              memory/4924-144-0x0000000000400000-0x0000000000861000-memory.dmp

              memory/4924-143-0x0000000000400000-0x0000000000861000-memory.dmp