Analysis

  • max time kernel
    108s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2022, 15:23

General

  • Target
    file.exe
  • Size 252KB
  • Sample221115-sshngsee43
  • SHA256 e9c6fbd1cd2d710a9e872556c9f61695bbdb6e680ac51aaa2125ec8e6dfc548d
  • 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 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:3364
    • 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:2264
      • 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:3208
      • 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:4748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 1140
      2⤵
      • Program crash
      PID:2300
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3364 -ip 3364
    1⤵
      PID:1576
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      1⤵
      • Executes dropped EXE
      PID:4540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 424
        2⤵
        • Program crash
        PID:4188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4540 -ip 4540
      1⤵
        PID:5076
      • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:3160
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3160 -s 416
          2⤵
          • Program crash
          PID:2868
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3160 -ip 3160
        1⤵
          PID:3864

        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 252KB
              • SHA256 e9c6fbd1cd2d710a9e872556c9f61695bbdb6e680ac51aaa2125ec8e6dfc548d
              • MD5 SHA1 SHA512 SSDEEP

              rovwer.exe

              • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
              • Size 252KB
              • SHA256 e9c6fbd1cd2d710a9e872556c9f61695bbdb6e680ac51aaa2125ec8e6dfc548d
              • MD5 SHA1 SHA512 SSDEEP

              rovwer.exe

              • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
              • Size 252KB
              • SHA256 e9c6fbd1cd2d710a9e872556c9f61695bbdb6e680ac51aaa2125ec8e6dfc548d
              • MD5 SHA1 SHA512 SSDEEP

              rovwer.exe

              • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
              • Size 252KB
              • SHA256 e9c6fbd1cd2d710a9e872556c9f61695bbdb6e680ac51aaa2125ec8e6dfc548d
              • 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/2264-142-0x0000000000400000-0x00000000005A4000-memory.dmp

              memory/2264-141-0x0000000000778000-0x0000000000797000-memory.dmp

              memory/2264-143-0x0000000000400000-0x00000000005A4000-memory.dmp

              memory/3160-152-0x0000000000400000-0x00000000005A4000-memory.dmp

              memory/3160-151-0x000000000066C000-0x000000000068A000-memory.dmp

              memory/3364-132-0x0000000000859000-0x0000000000878000-memory.dmp

              memory/3364-134-0x0000000000400000-0x00000000005A4000-memory.dmp

              memory/3364-133-0x00000000022E0000-0x000000000231E000-memory.dmp

              memory/3364-138-0x0000000000859000-0x0000000000878000-memory.dmp

              memory/3364-139-0x0000000000400000-0x00000000005A4000-memory.dmp

              memory/4540-146-0x0000000000400000-0x00000000005A4000-memory.dmp

              memory/4540-145-0x00000000005EC000-0x000000000060A000-memory.dmp