Analysis

  • max time kernel
    115s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    17/11/2022, 02:21

General

  • Target
    file.exe
  • Size 279KB
  • Sample221117-cs1ajade49
  • SHA256 a4323a2d24816e0f1d2b7fe73921b590ec9166fc8407d6d0f77639b19e9544ef
  • 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 5 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:1672
    • 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:1584
      • 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:560
      • 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:1264
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8C55EFDB-7DDF-49A1-9A36-6CABEB145C9E} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1948
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1384

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 279KB
        • SHA256 a4323a2d24816e0f1d2b7fe73921b590ec9166fc8407d6d0f77639b19e9544ef
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 279KB
        • SHA256 a4323a2d24816e0f1d2b7fe73921b590ec9166fc8407d6d0f77639b19e9544ef
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 279KB
        • SHA256 a4323a2d24816e0f1d2b7fe73921b590ec9166fc8407d6d0f77639b19e9544ef
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 279KB
        • SHA256 a4323a2d24816e0f1d2b7fe73921b590ec9166fc8407d6d0f77639b19e9544ef
        • 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 279KB
        • SHA256 a4323a2d24816e0f1d2b7fe73921b590ec9166fc8407d6d0f77639b19e9544ef
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 279KB
        • SHA256 a4323a2d24816e0f1d2b7fe73921b590ec9166fc8407d6d0f77639b19e9544ef
        • 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/1264-78-0x0000000000121000-0x000000000013B000-memory.dmp

        memory/1384-86-0x0000000000400000-0x0000000000848000-memory.dmp

        memory/1384-85-0x000000000030A000-0x0000000000328000-memory.dmp

        memory/1584-63-0x000000000093A000-0x0000000000959000-memory.dmp

        memory/1584-64-0x0000000000400000-0x0000000000848000-memory.dmp

        memory/1584-68-0x0000000000400000-0x0000000000848000-memory.dmp

        memory/1584-67-0x000000000093A000-0x0000000000959000-memory.dmp

        memory/1672-61-0x0000000000400000-0x0000000000848000-memory.dmp

        memory/1672-60-0x0000000000850000-0x000000000088E000-memory.dmp

        memory/1672-54-0x0000000075111000-0x0000000075113000-memory.dmp

        memory/1672-59-0x00000000002AA000-0x00000000002C9000-memory.dmp

        memory/1948-80-0x0000000000A2A000-0x0000000000A48000-memory.dmp

        memory/1948-81-0x0000000000400000-0x0000000000848000-memory.dmp