Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

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

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

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7edd4f4920f3dbef01fa5ff25d1bfb4.exe
    "C:\Users\Admin\AppData\Local\Temp\c7edd4f4920f3dbef01fa5ff25d1bfb4.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1724
    • 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:2216
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
        • Modifies WinLogon for persistence
        • Drops file in System32 directory
        • Drops file in Program Files directory
        PID:1584

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          24KB

          MD5

          c7edd4f4920f3dbef01fa5ff25d1bfb4

          SHA1

          cc6d41e8fe35de57cecb68599ab8f772c61bc2b3

          SHA256

          5c414534767e207155d978b785c26c957fe176d2a4a91fcb7f626ddb086e40fd

          SHA512

          d1a09069304f0762d068a8b4049357367a03012c662bb6fa237451a88a1e83a4e7cee9a16c753f05aa4fef4cac5fc3ac3f313a83035454dec7ec2d5ee49118a3

        • memory/1584-25-0x00000000000A0000-0x00000000000A1000-memory.dmp

          Filesize

          4KB

        • memory/1584-12-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/1584-14-0x0000000000080000-0x0000000000081000-memory.dmp

          Filesize

          4KB

        • memory/1584-23-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/1584-18-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/1584-28-0x0000000000090000-0x0000000000091000-memory.dmp

          Filesize

          4KB

        • memory/1584-27-0x0000000000080000-0x0000000000081000-memory.dmp

          Filesize

          4KB

        • memory/1584-32-0x0000000020010000-0x000000002001C000-memory.dmp

          Filesize

          48KB

        • memory/1724-2-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/2216-10-0x00000000774EF000-0x00000000774F0000-memory.dmp

          Filesize

          4KB

        • memory/2216-9-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/2216-8-0x0000000000270000-0x0000000000271000-memory.dmp

          Filesize

          4KB

        • memory/2216-31-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB