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Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 21:42

General

  • Target

    04b66998158d55722562b37875128cad.exe

  • Size

    5.3MB

  • MD5

    04b66998158d55722562b37875128cad

  • SHA1

    f2034598921528f96b8f9e5059e17b384d887049

  • SHA256

    91842fb7fa1c1ff89ccbf7f22013609ecdf520bd4fc5e9e382c0c8615d22b784

  • SHA512

    bd9cec1f5088a93f69dcb0f0bda721bdd006bd4ccdba0eb1f5239291f246528d7a44550790af6f631d99114999f9f6c31b18dea3732dbc41e5aefc8629600c4b

  • SSDEEP

    98304:0fR9XUg1XGTOq/pDi2mgJtNI3ykcKKpvIl8jb+S2bSF9kyIeROE7VO2qxuXHukvy:0fUOqxDNVUyuuv5bF2ODRvVLy/3vum2s

Score
8/10

Malware Config

Signatures

  • Stops running service(s) 3 TTPs
  • Uses Session Manager for persistence 2 TTPs 3 IoCs

    Creates Session Manager registry key to run executable early in system boot.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04b66998158d55722562b37875128cad.exe
    "C:\Users\Admin\AppData\Local\Temp\04b66998158d55722562b37875128cad.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3692
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
      2⤵
      • Creates scheduled task(s)
      PID:4036
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      PID:2756
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      PID:4288
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      PID:4528
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      PID:2076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3692-0-0x0000000000400000-0x0000000001391000-memory.dmp

    Filesize

    15.6MB

  • memory/3692-9-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/3692-8-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/3692-7-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/3692-11-0x0000000000400000-0x0000000001391000-memory.dmp

    Filesize

    15.6MB

  • memory/3692-12-0x0000000003250000-0x0000000003251000-memory.dmp

    Filesize

    4KB

  • memory/3692-6-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/3692-5-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/3692-4-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/3692-3-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/3692-2-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/3692-1-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/3692-15-0x0000000000400000-0x0000000001391000-memory.dmp

    Filesize

    15.6MB

  • memory/3692-16-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB