Analysis

  • max time kernel
    115s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 00:42

General

  • Target
    file.exe
  • Size 341KB
  • Sample221121-a2cjqabe33
  • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
  • 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
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 13 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
  • Adds Run key to start application 2 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 49 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
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1988
      • 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:1524
      • C:\Users\Admin\AppData\Local\Temp\1000113001\linda5.exe
        "C:\Users\Admin\AppData\Local\Temp\1000113001\linda5.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Windows\SysWOW64\control.exe
          "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\3CkGJ.cPl",
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1212
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\3CkGJ.cPl",
            5⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1316
            • C:\Windows\system32\RunDll32.exe
              C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\3CkGJ.cPl",
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1412
              • C:\Windows\SysWOW64\rundll32.exe
                "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\3CkGJ.cPl",
                7⤵
                • Loads dropped DLL
                PID:1020
      • 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:1684
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E3433F37-5625-4BBC-987E-9E54AD47C4BA} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:2016
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:2032

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        linda5.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000113001\linda5.exe
        • Size 1.5MB
        • SHA256 7a149193d174805dbd94b3ea20891839b4d6b09590d5aac577f13da73a9f14cb
        • MD5 SHA1 SHA512 SSDEEP

        linda5.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000113001\linda5.exe
        • Size 1.5MB
        • SHA256 7a149193d174805dbd94b3ea20891839b4d6b09590d5aac577f13da73a9f14cb
        • MD5 SHA1 SHA512 SSDEEP

        3CkGJ.cPl

        • Path C:\Users\Admin\AppData\Local\Temp\3CkGJ.cPl
        • Size 1.6MB
        • SHA256 87db895aa2d901cb4d49624070af11e5833cafb5d9d2fbb70d45473a987d554b
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 341KB
        • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 341KB
        • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 341KB
        • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 341KB
        • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

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

        linda5.exe

        • Path \Users\Admin\AppData\Local\Temp\1000113001\linda5.exe
        • Size 1.5MB
        • SHA256 7a149193d174805dbd94b3ea20891839b4d6b09590d5aac577f13da73a9f14cb
        • MD5 SHA1 SHA512 SSDEEP

        3CkGJ.cpl

        • Path \Users\Admin\AppData\Local\Temp\3CkGJ.cpl
        • Size 1.6MB
        • SHA256 87db895aa2d901cb4d49624070af11e5833cafb5d9d2fbb70d45473a987d554b
        • MD5 SHA1 SHA512 SSDEEP

        3CkGJ.cpl

        • Path \Users\Admin\AppData\Local\Temp\3CkGJ.cpl
        • Size 1.6MB
        • SHA256 87db895aa2d901cb4d49624070af11e5833cafb5d9d2fbb70d45473a987d554b
        • MD5 SHA1 SHA512 SSDEEP

        3CkGJ.cpl

        • Path \Users\Admin\AppData\Local\Temp\3CkGJ.cpl
        • Size 1.6MB
        • SHA256 87db895aa2d901cb4d49624070af11e5833cafb5d9d2fbb70d45473a987d554b
        • MD5 SHA1 SHA512 SSDEEP

        3CkGJ.cpl

        • Path \Users\Admin\AppData\Local\Temp\3CkGJ.cpl
        • Size 1.6MB
        • SHA256 87db895aa2d901cb4d49624070af11e5833cafb5d9d2fbb70d45473a987d554b
        • MD5 SHA1 SHA512 SSDEEP

        3CkGJ.cpl

        • Path \Users\Admin\AppData\Local\Temp\3CkGJ.cpl
        • Size 1.6MB
        • SHA256 87db895aa2d901cb4d49624070af11e5833cafb5d9d2fbb70d45473a987d554b
        • MD5 SHA1 SHA512 SSDEEP

        3CkGJ.cpl

        • Path \Users\Admin\AppData\Local\Temp\3CkGJ.cpl
        • Size 1.6MB
        • SHA256 87db895aa2d901cb4d49624070af11e5833cafb5d9d2fbb70d45473a987d554b
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 341KB
        • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        • Size 341KB
        • SHA256 8b9bcaad4a244df4b93caffa11155241455f1d5c763aacc02e8a008a32acde7b
        • 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/1020-115-0x0000000001F90000-0x0000000002130000-memory.dmp

        memory/1020-109-0x0000000001F90000-0x0000000002BDA000-memory.dmp

        memory/1020-114-0x0000000002A10000-0x0000000002AC5000-memory.dmp

        memory/1020-110-0x0000000001F90000-0x0000000002BDA000-memory.dmp

        memory/1088-61-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/1088-54-0x0000000076681000-0x0000000076683000-memory.dmp

        memory/1088-60-0x00000000002E0000-0x000000000031E000-memory.dmp

        memory/1088-59-0x000000000052C000-0x000000000054B000-memory.dmp

        memory/1316-101-0x00000000028D0000-0x0000000002985000-memory.dmp

        memory/1316-81-0x0000000001D00000-0x000000000294A000-memory.dmp

        memory/1316-116-0x0000000001D00000-0x0000000001EA0000-memory.dmp

        memory/1316-82-0x0000000001D00000-0x000000000294A000-memory.dmp

        memory/1316-100-0x00000000028DD000-0x0000000002983000-memory.dmp

        memory/1684-97-0x00000000001B1000-0x00000000001CB000-memory.dmp

        memory/1988-84-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/1988-83-0x000000000057C000-0x000000000059B000-memory.dmp

        memory/1988-66-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/1988-65-0x000000000057C000-0x000000000059B000-memory.dmp

        memory/2016-88-0x00000000005DC000-0x00000000005FB000-memory.dmp

        memory/2016-89-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/2032-121-0x0000000000400000-0x000000000045B000-memory.dmp

        memory/2032-120-0x000000000053C000-0x000000000055B000-memory.dmp