Analysis

  • max time kernel
    0s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 00:43

General

  • Target

    08e6a2bb6a202710b693e2940808cef8.exe

  • Size

    272KB

  • MD5

    08e6a2bb6a202710b693e2940808cef8

  • SHA1

    3d57163aa6b2cf8492db3cfb9b878d801fc23c7f

  • SHA256

    42378b1eca3cfe3e71d500781cfe3dd11f82d8b65b848ddd04439b4b9952f5c5

  • SHA512

    a408fb40a778f37ab94da87d6a337f2cb24253d3a437d72a335c8bdfb2a831e469d1296a2435d0a146db6ed7ddd3f468563000f43e9aa725db26c049b3d36839

  • SSDEEP

    6144:6e34wtg75+ZPPfnE2Qyn20UlwkQKrPNHqdtj75+ZPPfnE2Qyn20U:BtgF+ZPPfnEUnFKrPQjF+ZPPfnEUn

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\08e6a2bb6a202710b693e2940808cef8.exe
    "C:\Users\Admin\AppData\Local\Temp\08e6a2bb6a202710b693e2940808cef8.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\SysWOW64\explorer.exe
      C:\Windows\system32\explorer.exe
      2⤵
        PID:2796
      • C:\Program Files (x86)\SmartTool\SmartTool.exe
        "C:\Program Files (x86)\SmartTool\SmartTool.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3068
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\system32\regsvr32.exe /s "C:\Program Files (x86)\SmartTool\SmartTool.dll"
        2⤵
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies registry class
        PID:960
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Program Files (x86)\SmartTool\SmartTool.dll"
      1⤵
        PID:2484

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2364-57-0x0000000074B50000-0x0000000074B59000-memory.dmp

        Filesize

        36KB

      • memory/2364-26-0x0000000002A60000-0x0000000002A86000-memory.dmp

        Filesize

        152KB