Analysis

  • max time kernel
    109s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 10:36

General

  • Target
    file.exe
  • Size 220KB
  • Sample221121-mm9bcsfa53
  • SHA256 17fe9d78d7d4d00aeddea3eb49ab41a7c37ba714ed0044a6babb1aaa7f4249df
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.50

C2
  • 193.56.146.194/h49vlBP/index.php

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:1992
    • 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:1964
      • 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:1376
      • 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:1288
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A381736F-4F40-4BD7-9C05-11F85AA8BF28} S-1-5-21-1214520366-621468234-4062160515-1000:VDWSWJJD\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1652
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:2044

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 220KB
        • SHA256 17fe9d78d7d4d00aeddea3eb49ab41a7c37ba714ed0044a6babb1aaa7f4249df
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 220KB
        • SHA256 17fe9d78d7d4d00aeddea3eb49ab41a7c37ba714ed0044a6babb1aaa7f4249df
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 220KB
        • SHA256 17fe9d78d7d4d00aeddea3eb49ab41a7c37ba714ed0044a6babb1aaa7f4249df
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 220KB
        • SHA256 17fe9d78d7d4d00aeddea3eb49ab41a7c37ba714ed0044a6babb1aaa7f4249df
        • 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 220KB
        • SHA256 17fe9d78d7d4d00aeddea3eb49ab41a7c37ba714ed0044a6babb1aaa7f4249df
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 220KB
        • SHA256 17fe9d78d7d4d00aeddea3eb49ab41a7c37ba714ed0044a6babb1aaa7f4249df
        • 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/1652-72-0x000000000028B000-0x00000000002AA000-memory.dmp

        memory/1652-73-0x0000000000400000-0x000000000059C000-memory.dmp

        memory/1964-68-0x0000000000400000-0x000000000059C000-memory.dmp

        memory/1964-67-0x00000000006EB000-0x000000000070A000-memory.dmp

        memory/1964-66-0x0000000000400000-0x000000000059C000-memory.dmp

        memory/1964-65-0x00000000006EB000-0x000000000070A000-memory.dmp

        memory/1992-61-0x0000000000400000-0x000000000059C000-memory.dmp

        memory/1992-60-0x0000000000220000-0x000000000025E000-memory.dmp

        memory/1992-59-0x00000000006EB000-0x000000000070A000-memory.dmp

        memory/1992-54-0x0000000075D11000-0x0000000075D13000-memory.dmp

        memory/2044-84-0x00000000006DB000-0x00000000006FA000-memory.dmp

        memory/2044-85-0x0000000000400000-0x000000000059C000-memory.dmp