Analysis

  • max time kernel
    113s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    15/11/2022, 17:32

General

  • Target
    file.exe
  • Size 252KB
  • Sample221115-v4ahcsfa37
  • SHA256 21cc624655a71a98898cde6c96314e4aa254c5ceb98418d3d3874e86e27aeccc
  • 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 6 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 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 23 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:108
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1280
      • 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:1628
      • 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:1764
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {DAB54AED-E153-4896-86F7-800F60AA9C7F} S-1-5-21-575491160-2295418218-1540667289-1000:VZODHOJJ\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1344
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1960

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 252KB
        • SHA256 21cc624655a71a98898cde6c96314e4aa254c5ceb98418d3d3874e86e27aeccc
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 252KB
        • SHA256 21cc624655a71a98898cde6c96314e4aa254c5ceb98418d3d3874e86e27aeccc
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 252KB
        • SHA256 21cc624655a71a98898cde6c96314e4aa254c5ceb98418d3d3874e86e27aeccc
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 252KB
        • SHA256 21cc624655a71a98898cde6c96314e4aa254c5ceb98418d3d3874e86e27aeccc
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

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

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 252KB
        • SHA256 21cc624655a71a98898cde6c96314e4aa254c5ceb98418d3d3874e86e27aeccc
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 252KB
        • SHA256 21cc624655a71a98898cde6c96314e4aa254c5ceb98418d3d3874e86e27aeccc
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

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

        cred64.dll

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

        cred64.dll

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

        cred64.dll

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

        memory/108-54-0x0000000074C41000-0x0000000074C43000-memory.dmp

        memory/108-61-0x0000000000400000-0x00000000005A4000-memory.dmp

        memory/108-59-0x00000000006AB000-0x00000000006CA000-memory.dmp

        memory/108-60-0x0000000000220000-0x000000000025E000-memory.dmp

        memory/1280-67-0x0000000000400000-0x00000000005A4000-memory.dmp

        memory/1280-66-0x0000000000400000-0x00000000005A4000-memory.dmp

        memory/1280-65-0x000000000066B000-0x000000000068A000-memory.dmp

        memory/1344-79-0x00000000002CB000-0x00000000002EA000-memory.dmp

        memory/1344-80-0x0000000000400000-0x00000000005A4000-memory.dmp

        memory/1764-75-0x0000000000220000-0x0000000000244000-memory.dmp

        memory/1960-84-0x00000000006DB000-0x00000000006FA000-memory.dmp

        memory/1960-85-0x0000000000400000-0x00000000005A4000-memory.dmp