Analysis

  • max time kernel
    93s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 22:54

General

  • Target

    567fb69d76ea237159c02b5a4e4ebe4be9571d506cc8cf38637f055800055608N.dll

  • Size

    140KB

  • MD5

    cd75e2ac31727e8476ea3d45cc4b4f70

  • SHA1

    2a9481617dd6ec0b1b61a047dfc5bc72cb1111e6

  • SHA256

    567fb69d76ea237159c02b5a4e4ebe4be9571d506cc8cf38637f055800055608

  • SHA512

    a2e11f6a5449dc9ce00e048c7fa2f8ce03d65d569404c9c888c03dd011d2e6cca4521348105e497aaed391cb124a247657a08d4c0e8671619974205cf779a591

  • SSDEEP

    1536:rBC8cGhP4h1QlBR5szrAMty3KntgmaGSR1EbsQI1mhiMBUroMhF:rBC81V4Iz0r7ty3KlaPEbsQIxrDf

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 6 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
  • 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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\567fb69d76ea237159c02b5a4e4ebe4be9571d506cc8cf38637f055800055608N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:376
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\567fb69d76ea237159c02b5a4e4ebe4be9571d506cc8cf38637f055800055608N.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1256
      • C:\Windows\SysWOW64\rundll32Srv.exe
        C:\Windows\SysWOW64\rundll32Srv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3648
        • 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:1144
          • 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:2052
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2052 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:1728

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

    67b3270e9ee2455fec6e20353842018a

    SHA1

    afb768285ecc4fad9cb171c6ec0247e54a645746

    SHA256

    a0e3067884f99355e97dd1979abe971940e233b6d8426ca2f9caedc7f5b25456

    SHA512

    605ae45158f81452bfe383b3a8ec2407ce9c1bcd0d5b1372d13c870569105c764b89abf0a184fa3779770dba24e69b503ba7825026fcfd24fda06cce3ac9f3c5

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

    Filesize

    404B

    MD5

    ca0dab2aa18e9d6334583b57cdeee7fd

    SHA1

    d5fe0cdc707e3bc0f92e34e7d7485270393d8d0d

    SHA256

    0534a7b0c668fcaed1b4612a3e8e1c3f9a8e16efaa0ccaa70e6ee56c02935f80

    SHA512

    36cf0eebb9b4b7ca6b20c9b7dfcdb05e7a191008b352642f6e499b51c4669597e6693f0de20c5c02782ae06363687b79df980a05eb3616cad3bde1bd48b01f65

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Windows\SysWOW64\rundll32Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/1144-11-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1144-14-0x00000000004C0000-0x00000000004C1000-memory.dmp

    Filesize

    4KB

  • memory/1144-15-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1144-13-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1256-0-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB

  • memory/3648-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3648-7-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3648-6-0x0000000000590000-0x000000000059F000-memory.dmp

    Filesize

    60KB