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Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2024, 14:43

General

  • Target

    9766e7ddc378b7065a9e65358e33eb8a.exe

  • Size

    19KB

  • MD5

    9766e7ddc378b7065a9e65358e33eb8a

  • SHA1

    786eb85a966bd54e5ecceaf00e30d99acbe7f79c

  • SHA256

    6e431c7aee915cce561fe3aed14986d8896bd896c6293a3cfddf833cc0e75e22

  • SHA512

    f07c7e1ad785d396792ee37271ca563f68baee894130028b33f0e1fa04acb613639aa5646dbe5f6c533ec228d5b651520aef29697dac295c7905e181c043979f

  • SSDEEP

    384:5HELvrNTsqTmmFCe46gI5xVtv4i6zz1NzzV6qZ9zhYQoW9:5HKvBbTmmAe9xV5j6FNzz3zhYQ

Score
8/10

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9766e7ddc378b7065a9e65358e33eb8a.exe
    "C:\Users\Admin\AppData\Local\Temp\9766e7ddc378b7065a9e65358e33eb8a.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3056
    • \??\c:\users\admin\appdata\local\temp\9766e7ddc378b7065a9e65358e33eb8a.exe
      c:\users\admin\appdata\local\temp\9766e7ddc378b7065a9e65358e33eb8a.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:772
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
        • Sets service image path in registry
        • Deletes itself
        PID:1480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 348
          4⤵
          • Program crash
          PID:1388
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1480 -ip 1480
    1⤵
      PID:4496

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \??\c:\windows\SysWOW64\mssrv32.exe

      Filesize

      19KB

      MD5

      9766e7ddc378b7065a9e65358e33eb8a

      SHA1

      786eb85a966bd54e5ecceaf00e30d99acbe7f79c

      SHA256

      6e431c7aee915cce561fe3aed14986d8896bd896c6293a3cfddf833cc0e75e22

      SHA512

      f07c7e1ad785d396792ee37271ca563f68baee894130028b33f0e1fa04acb613639aa5646dbe5f6c533ec228d5b651520aef29697dac295c7905e181c043979f

    • memory/772-5-0x0000000013110000-0x0000000013120000-memory.dmp

      Filesize

      64KB

    • memory/772-4-0x0000000000410000-0x0000000000425000-memory.dmp

      Filesize

      84KB

    • memory/772-6-0x0000000015110000-0x000000001511A000-memory.dmp

      Filesize

      40KB

    • memory/772-8-0x0000000013110000-0x0000000013120000-memory.dmp

      Filesize

      64KB

    • memory/1480-7-0x0000000015110000-0x000000001511A000-memory.dmp

      Filesize

      40KB

    • memory/1480-11-0x0000000015110000-0x000000001511A000-memory.dmp

      Filesize

      40KB

    • memory/3056-0-0x0000000000710000-0x0000000000725000-memory.dmp

      Filesize

      84KB

    • memory/3056-1-0x0000000013110000-0x0000000013120000-memory.dmp

      Filesize

      64KB

    • memory/3056-2-0x0000000015110000-0x000000001511A000-memory.dmp

      Filesize

      40KB

    • memory/3056-9-0x0000000015110000-0x000000001511A000-memory.dmp

      Filesize

      40KB