Analysis

  • max time kernel
    52s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 04:05

General

  • Target
    fb326ae60a37fe1d72f7c0ec82632378.exe
  • Size 41.9MB
  • Sample240611-enrtpsvamj
  • SHA256 36d5fd64e38982141541a189be1167da8ce93559a5a2d0689a75553becac94d4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Modifies system certificate store 2 TTPs 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb326ae60a37fe1d72f7c0ec82632378.exe
    "C:\Users\Admin\AppData\Local\Temp\fb326ae60a37fe1d72f7c0ec82632378.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    PID:1640

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        7z.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{2B3A9E12-F802-47ac-A1B5-C2844275258B}.tmp\7z.dll
        • Size 1.1MB
        • SHA256 aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4
        • MD5 SHA1 SHA512 SSDEEP

        NetBridge.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{35AABD64-A555-4ca4-AB74-1CC6A863AE19}.tmp\NetBridge.dll
        • Size 231KB
        • SHA256 98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43
        • MD5 SHA1 SHA512 SSDEEP