Analysis

  • max time kernel
    77s
  • max time network
    87s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 20:25

General

  • Target

    2024-06-12_fba7c313a3de5376d7f45673fa295201_mafia_ramnit.exe

  • Size

    697KB

  • MD5

    fba7c313a3de5376d7f45673fa295201

  • SHA1

    e2cf25f5c21731f2cc4867779224886cab613776

  • SHA256

    f1dcae6fb160b9c5f3db9685d737cd214e43efb5ef372b8f078c67facd736319

  • SHA512

    8b68cfbbfb5d1d6297b9acbd9953ea4b4c59de2cda732fb468b2082fea7a9582e0ddd6440fcc26bdb50abb3b70f8a8cbad2457487706a3efddd0944182ed3fc8

  • SSDEEP

    12288:9PXUatYLLZlrKoyu8w0v2pZzBjuSA9sHsS+3kJsw4xuqLi7Ktf:9PXntsKruq2bNuSh+UJsw4xuqgKt

Malware Config

Signatures

  • Ramnit

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

  • UPX dump on OEP (original entry point) 7 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 9 IoCs

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

  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-12_fba7c313a3de5376d7f45673fa295201_mafia_ramnit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-12_fba7c313a3de5376d7f45673fa295201_mafia_ramnit.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\2024-06-12_fba7c313a3de5376d7f45673fa295201_mafia_ramnitmgr.exe
      C:\Users\Admin\AppData\Local\Temp\2024-06-12_fba7c313a3de5376d7f45673fa295201_mafia_ramnitmgr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:368
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4452
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4452 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1056
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 612
      2⤵
      • Program crash
      PID:3236
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2280 -ip 2280
    1⤵
      PID:3916

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\2024-06-12_fba7c313a3de5376d7f45673fa295201_mafia_ramnitmgr.exe
      Filesize

      112KB

      MD5

      795f2a9209e88f0a2d693c7ad06915b1

      SHA1

      ab5bf0ed7e83e913fac8981f5047824840c4a859

      SHA256

      e01112d41987115913c0599fd01921fb4ff1eab86a5b5c8e19514fdad8ec5148

      SHA512

      fc5faddb8ce01c7d1b74f971ae0ae7f161285d93a426e3436d4395153bf553a61d981a16cf59c788d924a85b6a339aa405a2119168288bd35d6712f1efabd2b0

    • memory/368-20-0x0000000000400000-0x0000000000412000-memory.dmp
      Filesize

      72KB

    • memory/368-18-0x0000000077712000-0x0000000077713000-memory.dmp
      Filesize

      4KB

    • memory/368-7-0x0000000000400000-0x000000000041A000-memory.dmp
      Filesize

      104KB

    • memory/368-11-0x0000000000400000-0x000000000041A000-memory.dmp
      Filesize

      104KB

    • memory/368-17-0x0000000000400000-0x000000000041A000-memory.dmp
      Filesize

      104KB

    • memory/368-16-0x0000000000400000-0x000000000041A000-memory.dmp
      Filesize

      104KB

    • memory/368-5-0x0000000000401000-0x0000000000402000-memory.dmp
      Filesize

      4KB

    • memory/368-6-0x0000000000400000-0x0000000000412000-memory.dmp
      Filesize

      72KB

    • memory/368-15-0x00000000022A0000-0x00000000022A1000-memory.dmp
      Filesize

      4KB

    • memory/368-14-0x0000000000400000-0x000000000041A000-memory.dmp
      Filesize

      104KB

    • memory/368-13-0x0000000000400000-0x000000000041A000-memory.dmp
      Filesize

      104KB

    • memory/368-12-0x0000000002240000-0x0000000002241000-memory.dmp
      Filesize

      4KB

    • memory/368-9-0x0000000000400000-0x000000000041A000-memory.dmp
      Filesize

      104KB

    • memory/368-8-0x0000000000400000-0x000000000041A000-memory.dmp
      Filesize

      104KB

    • memory/2280-4-0x0000000000110000-0x00000000001C4000-memory.dmp
      Filesize

      720KB

    • memory/2280-21-0x0000000000110000-0x00000000001C4000-memory.dmp
      Filesize

      720KB