Analysis

  • max time kernel
    140s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08/11/2022, 18:45

General

  • Target
    file.exe
  • Size 223KB
  • Sample221108-xd26sscbe2
  • SHA256 5718ec5933d04ffb5ee90a25f8ebf22925e046620f3b59bf500f05ccce30853e
  • 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
  • Downloads MZ/PE file
  • Executes dropped EXE 5 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 53 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:1608
    • C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
      "C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1712
      • 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\e94c2b28f2\rovwer.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:1956
      • C:\Users\Admin\AppData\Local\Temp\1000047001\linda5.exe
        "C:\Users\Admin\AppData\Local\Temp\1000047001\linda5.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1540
        • C:\Windows\SysWOW64\control.exe
          "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\XPSB.CPL",
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1200
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\XPSB.CPL",
            5⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1280
            • C:\Windows\system32\RunDll32.exe
              C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\XPSB.CPL",
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1100
              • C:\Windows\SysWOW64\rundll32.exe
                "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\XPSB.CPL",
                7⤵
                • Loads dropped DLL
                PID:1404
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:884
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {548EAD2D-1304-4CC6-99C1-B041FF2DF63C} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1460
    • C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:1984
    • C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
      2⤵
      • Executes dropped EXE
      PID:976

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        linda5.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000047001\linda5.exe
        • Size 1.7MB
        • SHA256 835d2c5f855fe8db6d262b1704d87b27478f917a69d96e3afbbad3af5a571755
        • MD5 SHA1 SHA512 SSDEEP

        linda5.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000047001\linda5.exe
        • Size 1.7MB
        • SHA256 835d2c5f855fe8db6d262b1704d87b27478f917a69d96e3afbbad3af5a571755
        • MD5 SHA1 SHA512 SSDEEP

        XPSB.CPL

        • Path C:\Users\Admin\AppData\Local\Temp\XPSB.CPL
        • Size 1.8MB
        • SHA256 889e3d888bf442cb8223c8beee51f0536deae0165b51c4fb158a75ab8b62ec09
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
        • Size 223KB
        • SHA256 5718ec5933d04ffb5ee90a25f8ebf22925e046620f3b59bf500f05ccce30853e
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
        • Size 223KB
        • SHA256 5718ec5933d04ffb5ee90a25f8ebf22925e046620f3b59bf500f05ccce30853e
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
        • Size 223KB
        • SHA256 5718ec5933d04ffb5ee90a25f8ebf22925e046620f3b59bf500f05ccce30853e
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
        • Size 223KB
        • SHA256 5718ec5933d04ffb5ee90a25f8ebf22925e046620f3b59bf500f05ccce30853e
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
        • Size 223KB
        • SHA256 5718ec5933d04ffb5ee90a25f8ebf22925e046620f3b59bf500f05ccce30853e
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path C:\Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
        • Size 126KB
        • SHA256 351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba
        • MD5 SHA1 SHA512 SSDEEP

        linda5.exe

        • Path \Users\Admin\AppData\Local\Temp\1000047001\linda5.exe
        • Size 1.7MB
        • SHA256 835d2c5f855fe8db6d262b1704d87b27478f917a69d96e3afbbad3af5a571755
        • MD5 SHA1 SHA512 SSDEEP

        Xpsb.cpl

        • Path \Users\Admin\AppData\Local\Temp\Xpsb.cpl
        • Size 1.8MB
        • SHA256 889e3d888bf442cb8223c8beee51f0536deae0165b51c4fb158a75ab8b62ec09
        • MD5 SHA1 SHA512 SSDEEP

        Xpsb.cpl

        • Path \Users\Admin\AppData\Local\Temp\Xpsb.cpl
        • Size 1.8MB
        • SHA256 889e3d888bf442cb8223c8beee51f0536deae0165b51c4fb158a75ab8b62ec09
        • MD5 SHA1 SHA512 SSDEEP

        Xpsb.cpl

        • Path \Users\Admin\AppData\Local\Temp\Xpsb.cpl
        • Size 1.8MB
        • SHA256 889e3d888bf442cb8223c8beee51f0536deae0165b51c4fb158a75ab8b62ec09
        • MD5 SHA1 SHA512 SSDEEP

        Xpsb.cpl

        • Path \Users\Admin\AppData\Local\Temp\Xpsb.cpl
        • Size 1.8MB
        • SHA256 889e3d888bf442cb8223c8beee51f0536deae0165b51c4fb158a75ab8b62ec09
        • MD5 SHA1 SHA512 SSDEEP

        Xpsb.cpl

        • Path \Users\Admin\AppData\Local\Temp\Xpsb.cpl
        • Size 1.8MB
        • SHA256 889e3d888bf442cb8223c8beee51f0536deae0165b51c4fb158a75ab8b62ec09
        • MD5 SHA1 SHA512 SSDEEP

        Xpsb.cpl

        • Path \Users\Admin\AppData\Local\Temp\Xpsb.cpl
        • Size 1.8MB
        • SHA256 889e3d888bf442cb8223c8beee51f0536deae0165b51c4fb158a75ab8b62ec09
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
        • Size 223KB
        • SHA256 5718ec5933d04ffb5ee90a25f8ebf22925e046620f3b59bf500f05ccce30853e
        • MD5 SHA1 SHA512 SSDEEP

        rovwer.exe

        • Path \Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe
        • Size 223KB
        • SHA256 5718ec5933d04ffb5ee90a25f8ebf22925e046620f3b59bf500f05ccce30853e
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
        • Size 126KB
        • SHA256 351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
        • Size 126KB
        • SHA256 351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
        • Size 126KB
        • SHA256 351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\80b59841e5c623\cred64.dll
        • Size 126KB
        • SHA256 351fd9b73fa0cbbdfbce0793ca41544f5191650d79317a34024f3c09f73ac9ba
        • MD5 SHA1 SHA512 SSDEEP

        memory/884-117-0x0000000000240000-0x0000000000264000-memory.dmp

        memory/976-127-0x0000000000400000-0x0000000000593000-memory.dmp

        memory/976-126-0x000000000062D000-0x000000000064C000-memory.dmp

        memory/1280-105-0x0000000001D70000-0x00000000029BA000-memory.dmp

        memory/1280-106-0x0000000001D70000-0x00000000029BA000-memory.dmp

        memory/1280-94-0x0000000002900000-0x00000000029B8000-memory.dmp

        memory/1280-88-0x0000000001D70000-0x00000000029BA000-memory.dmp

        memory/1280-84-0x0000000001D70000-0x00000000029BA000-memory.dmp

        memory/1404-109-0x0000000002430000-0x00000000024E8000-memory.dmp

        memory/1404-102-0x0000000001F90000-0x0000000002BDA000-memory.dmp

        memory/1404-103-0x0000000001F90000-0x0000000002BDA000-memory.dmp

        memory/1460-86-0x000000000065D000-0x000000000067C000-memory.dmp

        memory/1460-87-0x0000000000400000-0x0000000000593000-memory.dmp

        memory/1608-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

        memory/1608-55-0x000000000063D000-0x000000000065C000-memory.dmp

        memory/1608-62-0x0000000000400000-0x0000000000593000-memory.dmp

        memory/1608-56-0x00000000002B0000-0x00000000002EE000-memory.dmp

        memory/1608-57-0x0000000000400000-0x0000000000593000-memory.dmp

        memory/1712-66-0x000000000063D000-0x000000000065C000-memory.dmp

        memory/1712-90-0x0000000000400000-0x0000000000593000-memory.dmp

        memory/1712-67-0x0000000000400000-0x0000000000593000-memory.dmp

        memory/1712-89-0x000000000063D000-0x000000000065C000-memory.dmp

        memory/1984-121-0x0000000000A1D000-0x0000000000A3C000-memory.dmp

        memory/1984-122-0x0000000000400000-0x0000000000593000-memory.dmp