Analysis

  • max time kernel
    97s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2025, 13:21

General

  • Target
    70633dcce6c44267c5073c800013b96fec4b3cd6f4dce2c86e41b2c70e4761f3N.dll
  • Size 1.5MB
  • Sample250108-ql62dstnam
  • SHA256 70633dcce6c44267c5073c800013b96fec4b3cd6f4dce2c86e41b2c70e4761f3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\70633dcce6c44267c5073c800013b96fec4b3cd6f4dce2c86e41b2c70e4761f3N.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3184
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\70633dcce6c44267c5073c800013b96fec4b3cd6f4dce2c86e41b2c70e4761f3N.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1600
      • C:\Windows\SysWOW64\regsvr32Srv.exe
        C:\Windows\SysWOW64\regsvr32Srv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2788
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2760
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4716
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4716 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:3956

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Size 471B
        • SHA256 d5171888f2cf311802c4e02bcc7be88f684075e84d0665f44b823e6b6a5ead5f
        • MD5 SHA1 SHA512

        7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Size 404B
        • SHA256 b0c7c4f8101dee11829d7fc0ba7a646aeb9370295938a32ff50bf21535fb3405
        • MD5 SHA1 SHA512

        suggestions[1].en-US

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US
        • Size 17KB
        • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
        • MD5 SHA1 SHA512 SSDEEP

        regsvr32Srv.exe

        • Path C:\Windows\SysWOW64\regsvr32Srv.exe
        • Size 55KB
        • SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
        • MD5 SHA1 SHA512 SSDEEP

        memory/1600-1-0x0000000010000000-0x0000000010181000-memory.dmp

        memory/2760-12-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2760-13-0x0000000000590000-0x0000000000591000-memory.dmp

        memory/2788-4-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2788-6-0x0000000000400000-0x000000000042E000-memory.dmp