Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    02/02/2024, 23:14

General

  • Target

    VirusShare-0108f1f306b06689b0b60600ace91a18.dll

  • Size

    39KB

  • MD5

    0108f1f306b06689b0b60600ace91a18

  • SHA1

    c0e8c3f0215612caa9f1cb912e77c294acc6600c

  • SHA256

    80e2df590d1c70b51f74e359dfae5d20bfd65d7c47f1e1bf3641fa5981ed7a3b

  • SHA512

    1a5f1170e36deedc6d06a5821900e01d1206fff31e2d4e1871c8feb40d871b65fe4b42343b3cab806677d5d110814d8deb918f0e676cbbcd6c712527cb4c2f13

  • SSDEEP

    768:8nlPuP08ADWJB7SpBrRWTY07rTInw5rAV8PHSNPHB:8i0TWJBmPrR6Y07rqaZPyJ

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies Internet Explorer settings 1 TTPs 20 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 14 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\VirusShare-0108f1f306b06689b0b60600ace91a18.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\VirusShare-0108f1f306b06689b0b60600ace91a18.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1068
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\se.dll,DllInstall
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        PID:1892

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\se.dll

          Filesize

          18KB

          MD5

          27b7a22cbcc376a2c406c0f592e82d9f

          SHA1

          bf219f26fbe16eb93fab9560813b8f4a7c980f1a

          SHA256

          26aa0e25a7142e86924c15aaf9aa4b8cee65d1f7c750a985ea92678367a9723a

          SHA512

          0babe3e2fafeb270e27e1cc9e69d59bad1a3463696f5deec28f898c6f0561e3f38881385036fd7ed118ce0fae9528bf4a6e23c0bb1b04311740e4eaebda0f219