Analysis

  • max time kernel
    127s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/11/2022, 11:07

General

  • Target
    file.exe
  • Size 353KB
  • Sample221114-m7zbwsba26
  • SHA256 31597828f79a7a8f9ef765b193b723d5d167f161cbbd361f1f2332a0bfbbfd55
  • 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.

  • 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:1556
    • 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:1744
      • 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:384
      • 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:4532
  • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
    C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
    1⤵
    • Executes dropped EXE
    PID:5048
  • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
    C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
    1⤵
    • Executes dropped EXE
    PID:4292

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 353KB
        • SHA256 31597828f79a7a8f9ef765b193b723d5d167f161cbbd361f1f2332a0bfbbfd55
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 353KB
        • SHA256 31597828f79a7a8f9ef765b193b723d5d167f161cbbd361f1f2332a0bfbbfd55
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 353KB
        • SHA256 31597828f79a7a8f9ef765b193b723d5d167f161cbbd361f1f2332a0bfbbfd55
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 353KB
        • SHA256 31597828f79a7a8f9ef765b193b723d5d167f161cbbd361f1f2332a0bfbbfd55
        • 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/1556-139-0x0000000002490000-0x00000000024CE000-memory.dmp

        memory/1556-140-0x0000000000400000-0x000000000085B000-memory.dmp

        memory/1556-138-0x0000000000883000-0x00000000008A2000-memory.dmp

        memory/1556-132-0x0000000000883000-0x00000000008A2000-memory.dmp

        memory/1556-134-0x0000000000400000-0x000000000085B000-memory.dmp

        memory/1556-133-0x0000000002490000-0x00000000024CE000-memory.dmp

        memory/1744-142-0x0000000000883000-0x00000000008A2000-memory.dmp

        memory/1744-144-0x0000000000400000-0x000000000085B000-memory.dmp

        memory/1744-143-0x0000000000400000-0x000000000085B000-memory.dmp

        memory/4292-152-0x0000000000954000-0x0000000000973000-memory.dmp

        memory/4292-153-0x0000000000400000-0x000000000085B000-memory.dmp

        memory/5048-146-0x0000000000A44000-0x0000000000A63000-memory.dmp

        memory/5048-147-0x0000000000400000-0x000000000085B000-memory.dmp