Analysis

  • max time kernel
    114s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2022, 13:31

General

  • Target
    file.exe
  • Size 330KB
  • Sample221104-qsc2wsffa2
  • SHA256 f39f2d15817e6737681cc8eed6ff57eff87a2b73ceb802f29371a94a8e709268
  • 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:1088
    • 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:384
      • 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:808
      • 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:2020
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {0E5038D0-901B-4E26-A135-599613CBEE8C} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1996
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1108

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 330KB
        • SHA256 f39f2d15817e6737681cc8eed6ff57eff87a2b73ceb802f29371a94a8e709268
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 330KB
        • SHA256 f39f2d15817e6737681cc8eed6ff57eff87a2b73ceb802f29371a94a8e709268
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 330KB
        • SHA256 f39f2d15817e6737681cc8eed6ff57eff87a2b73ceb802f29371a94a8e709268
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 330KB
        • SHA256 f39f2d15817e6737681cc8eed6ff57eff87a2b73ceb802f29371a94a8e709268
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
        • Size 126KB
        • SHA256 d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 330KB
        • SHA256 f39f2d15817e6737681cc8eed6ff57eff87a2b73ceb802f29371a94a8e709268
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 330KB
        • SHA256 f39f2d15817e6737681cc8eed6ff57eff87a2b73ceb802f29371a94a8e709268
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
        • Size 126KB
        • SHA256 d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
        • Size 126KB
        • SHA256 d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
        • Size 126KB
        • SHA256 d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
        • Size 126KB
        • SHA256 d23147a448d24f81d81d4bb226f3fc968386792c0987dda75917104b5ecd9d5a
        • MD5 SHA1 SHA512 SSDEEP

        memory/384-67-0x0000000000400000-0x0000000002C41000-memory.dmp

        memory/384-66-0x0000000000400000-0x0000000002C41000-memory.dmp

        memory/384-63-0x000000000028B000-0x00000000002AA000-memory.dmp

        memory/1088-60-0x0000000000220000-0x000000000025E000-memory.dmp

        memory/1088-61-0x0000000000400000-0x0000000002C41000-memory.dmp

        memory/1088-54-0x0000000074C91000-0x0000000074C93000-memory.dmp

        memory/1088-59-0x0000000002DEB000-0x0000000002E0A000-memory.dmp

        memory/1108-83-0x0000000002D0B000-0x0000000002D2A000-memory.dmp

        memory/1108-84-0x0000000000400000-0x0000000002C41000-memory.dmp

        memory/1996-72-0x0000000000400000-0x0000000002C41000-memory.dmp

        memory/1996-71-0x0000000002CEB000-0x0000000002D0A000-memory.dmp