Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 06:34

General

  • Target

    c7edd4f4920f3dbef01fa5ff25d1bfb4.exe

  • Size

    24KB

  • MD5

    c7edd4f4920f3dbef01fa5ff25d1bfb4

  • SHA1

    cc6d41e8fe35de57cecb68599ab8f772c61bc2b3

  • SHA256

    5c414534767e207155d978b785c26c957fe176d2a4a91fcb7f626ddb086e40fd

  • SHA512

    d1a09069304f0762d068a8b4049357367a03012c662bb6fa237451a88a1e83a4e7cee9a16c753f05aa4fef4cac5fc3ac3f313a83035454dec7ec2d5ee49118a3

  • SSDEEP

    768:nPlVoufxw3E7zGz0UVO+7q9n6nPsdZaIop:PlVoKxw3EvI7I6nghO

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 30 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 WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7edd4f4920f3dbef01fa5ff25d1bfb4.exe
    "C:\Users\Admin\AppData\Local\Temp\c7edd4f4920f3dbef01fa5ff25d1bfb4.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4436
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:1568
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 204
            4⤵
            • Program crash
            PID:2460
        • 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:3220
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3220 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1568 -ip 1568
      1⤵
        PID:212

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\Microsoft\WaterMark.exe

              Filesize

              24KB

              MD5

              c7edd4f4920f3dbef01fa5ff25d1bfb4

              SHA1

              cc6d41e8fe35de57cecb68599ab8f772c61bc2b3

              SHA256

              5c414534767e207155d978b785c26c957fe176d2a4a91fcb7f626ddb086e40fd

              SHA512

              d1a09069304f0762d068a8b4049357367a03012c662bb6fa237451a88a1e83a4e7cee9a16c753f05aa4fef4cac5fc3ac3f313a83035454dec7ec2d5ee49118a3

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2ZG7H8ZF\suggestions[1].en-US

              Filesize

              17KB

              MD5

              5a34cb996293fde2cb7a4ac89587393a

              SHA1

              3c96c993500690d1a77873cd62bc639b3a10653f

              SHA256

              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

              SHA512

              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

            • memory/1444-0-0x0000000000400000-0x0000000000413000-memory.dmp

              Filesize

              76KB

            • memory/1444-4-0x0000000000400000-0x0000000000413000-memory.dmp

              Filesize

              76KB

            • memory/1568-9-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

              Filesize

              4KB

            • memory/1568-10-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

              Filesize

              4KB

            • memory/4436-6-0x00000000004D0000-0x00000000004D1000-memory.dmp

              Filesize

              4KB

            • memory/4436-7-0x0000000076ED2000-0x0000000076ED3000-memory.dmp

              Filesize

              4KB

            • memory/4436-11-0x0000000076ED2000-0x0000000076ED3000-memory.dmp

              Filesize

              4KB

            • memory/4436-12-0x0000000000400000-0x0000000000413000-memory.dmp

              Filesize

              76KB