Analysis

  • max time kernel
    94s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 22:53

General

  • Target

    5a16ffe0019bc40609705dcbc9ecf625262fecbab23485058103fa8278835fb3.dll

  • Size

    103KB

  • MD5

    389d74c8cd9c43504fb81ae0d3d4af17

  • SHA1

    06d0d361a87dd230d0ac53d6452f31ca9fca3a0f

  • SHA256

    5a16ffe0019bc40609705dcbc9ecf625262fecbab23485058103fa8278835fb3

  • SHA512

    734a05483ea8e8d0d07063ba2f591bd30da7ba4bc689a8011881f9c03a50a9135c68066c6a67903cd92b2b97aa2d1bc1b5e90a09f4450f66860a1630c043b5e7

  • SSDEEP

    3072:R/QXImmdzgxNJYiGoy7W12gxL3/ovHbb:R/cbfNJY++W4gpvA

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 7 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 23 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\5a16ffe0019bc40609705dcbc9ecf625262fecbab23485058103fa8278835fb3.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\5a16ffe0019bc40609705dcbc9ecf625262fecbab23485058103fa8278835fb3.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3508
      • 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:624
        • 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:3936
          • 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:5012
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5012 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    7fecd001d472e28495336306d3e0b570

    SHA1

    7dabf5687a11d1d8f92f8ffd348fb73bf077e960

    SHA256

    d3b1b54dfa02ea5cf017cd692023d382defa55e40749816bbddcc3e8ef5e9bff

    SHA512

    5255e2e7897f3abc246464dacea7d32b54a8bdb88806e9d0f54a3d23e76074e2a88adaa35789c32b68d0ca8d6f67726c9ceec31597f3b05628b29cd52af613db

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    b66c7939b716751686ed25f9940b93e5

    SHA1

    cc0ea11e9afbf85a6db3d8d2651c1e13c986bd3b

    SHA256

    deebbf1434a5f69c4b343f8f902d96b714feac5f18bdc207913e620a08a08c73

    SHA512

    91be2a305b90b64140faa6150f1179e0b077177cdd3a20728494670f863a60133ac1af12c2dd5bbfcc4d2b3fd6248c02de2f93be7b9272abd026e0d9bbdfb0e6

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Windows\SysWOW64\regsvr32Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/624-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/624-5-0x00000000006A0000-0x00000000006AF000-memory.dmp

    Filesize

    60KB

  • memory/624-6-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/624-15-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3508-0-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3936-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3936-13-0x0000000000490000-0x0000000000491000-memory.dmp

    Filesize

    4KB

  • memory/3936-12-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB