Analysis

  • max time kernel
    94s
  • max time network
    113s
  • 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 01:40

General

  • Target

    d2be74b100d5c0f3f7f44759b136125c1fb5b90de739e1eaf4420822a5aaa33d.exe

  • Size

    1.4MB

  • MD5

    c36593f4b42b51d49c8d50f66c793456

  • SHA1

    171daf57b9415ddf85d1832df1788581b3c6b73e

  • SHA256

    d2be74b100d5c0f3f7f44759b136125c1fb5b90de739e1eaf4420822a5aaa33d

  • SHA512

    79aff4fe6e92c6a15c0372a4c115a256186e0e9ee1b8c926bf55d1cc2cf9626be66ee60c67aea7a9b28883399a7180dc0f469e3e0c49f39a8ec121a41146c17c

  • SSDEEP

    24576:zFiJgbowe6ssJQcAZvI4lyzTCiKC/XS8BGqcJOx0D3gQ+:z7ow4sKpqFSDJA0kn

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 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
  • 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\d2be74b100d5c0f3f7f44759b136125c1fb5b90de739e1eaf4420822a5aaa33d.exe
    "C:\Users\Admin\AppData\Local\Temp\d2be74b100d5c0f3f7f44759b136125c1fb5b90de739e1eaf4420822a5aaa33d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Users\Admin\AppData\Local\Temp\d2be74b100d5c0f3f7f44759b136125c1fb5b90de739e1eaf4420822a5aaa33dSrv.exe
      C:\Users\Admin\AppData\Local\Temp\d2be74b100d5c0f3f7f44759b136125c1fb5b90de739e1eaf4420822a5aaa33dSrv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3260
      • 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:632
        • 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:2796
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2796 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:5016

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

    30238bc436124bf6ec61df08152dbf7d

    SHA1

    1c83a737e2fff04ed5282dc31242619d0e19aa4a

    SHA256

    56e27bce5f0c08a8255d16200fe8d55e560ec841cb0ec650de0250584128a863

    SHA512

    f2515de1256b4a0e025e85ba3cc338a9cf22373fcd32dcd8ca51647bc5304f8f0ada9cb65b56e5d903453fa3a32b0ffcc39b29d222f089c069ae844b772b624e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\d2be74b100d5c0f3f7f44759b136125c1fb5b90de739e1eaf4420822a5aaa33dSrv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/632-17-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/632-14-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/632-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/632-15-0x00000000004D0000-0x00000000004D1000-memory.dmp

    Filesize

    4KB

  • memory/632-12-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/864-0-0x0000000000400000-0x0000000000570000-memory.dmp

    Filesize

    1.4MB

  • memory/864-19-0x0000000000400000-0x0000000000570000-memory.dmp

    Filesize

    1.4MB

  • memory/3260-6-0x0000000000590000-0x000000000059F000-memory.dmp

    Filesize

    60KB

  • memory/3260-7-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3260-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB