Analysis

  • max time kernel
    94s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/11/2024, 10:45

General

  • Target

    14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe

  • Size

    1.4MB

  • MD5

    7f2ea738eecc9ff7be1a571ad13408c0

  • SHA1

    8b795d6210e4a208f203bc918e33cb26076f534d

  • SHA256

    14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4

  • SHA512

    b3d8844ee2a88df213475aa28e0fdf9c9f613ea7686b28f787857b002c738ab6d8a26bd2e531d56a9df591449a053020557c8b0d424ff30b48afb6ca98045740

  • SSDEEP

    24576:zFiJgbowe6ssJQcAZvI4lyzTCiKC/XS8BGqcJOx0D3gQ:z7ow4sKpqFSDJA0k

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 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 8 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe
    "C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:604
    • C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
      C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4624
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4904
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2588
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2588 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2348

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

    cdfebcd84ff934bb577a1d3a07a3ccad

    SHA1

    5092f452374bb3943b00cf53bcad7a92215bae87

    SHA256

    7f877563622aeda07395133fb7c81746df3389c360549e2309c161c8a394d9bf

    SHA512

    605a455017dc67d6257a5b434ce9a8df8fbac30dcf6e45856c823ee9998f4008ae08947129a23d88c222c866a06192c2e75374880fe8b67d591816492ae4f56b

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

    Filesize

    404B

    MD5

    6aa135bbed4aa1e245bd05d3a1e1cbbe

    SHA1

    a4b21b6d7fbca3e1da905b73e1d717ba0c57f815

    SHA256

    8961cf6b6494cb72960c5edb8c42cc7454b62de95b99a5c9b3cdf581793dc1cf

    SHA512

    6825b023639c769eacc6b322c04de6564d89bb7c4eba9a5ceb6495210bfb48e141a770d5dcdc9d093f803bd93a6566db4974f098cfda3716d795514a976f72c6

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\14197801675c4aadca4ffcac14bd4b104b9130ae2c9e6d93e52f661b1a0c40b4NSrv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/604-18-0x0000000000400000-0x0000000000570000-memory.dmp

    Filesize

    1.4MB

  • memory/604-0-0x0000000000400000-0x0000000000570000-memory.dmp

    Filesize

    1.4MB

  • memory/4624-5-0x0000000000580000-0x000000000058F000-memory.dmp

    Filesize

    60KB

  • memory/4624-8-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4624-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4904-15-0x00000000005A0000-0x00000000005A1000-memory.dmp

    Filesize

    4KB

  • memory/4904-14-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4904-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4904-11-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB