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Analysis

  • max time kernel
    164s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12/01/2024, 18:38

General

  • Target

    573449aee41dada8315245de9c17f96d.exe

  • Size

    3.1MB

  • MD5

    573449aee41dada8315245de9c17f96d

  • SHA1

    3f134e9e4df7146c6e572069f5d6623d5dc7d200

  • SHA256

    1002b595d5153ea888a23b3d5253105fb8e30d94bf9bfc4544f8094a1d849948

  • SHA512

    4f30ba1b60dd7a82eccbe443fe0049e4b360d27ea518f3a0a61a7e2a7a5bd967c58739cb165a16fb0e3e129718b9afae78f3fc0a063a2ec4a874d410ab3947ec

  • SSDEEP

    98304:QEmhtXP+pTDCrmHZ9Gy7dWHQJIuULiVzxDXwZjUEDYZT+UVim4e:UaTG6HzfznbCfDAVite

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • 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
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\573449aee41dada8315245de9c17f96d.exe
    "C:\Users\Admin\AppData\Local\Temp\573449aee41dada8315245de9c17f96d.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
      2⤵
      • Creates scheduled task(s)
      PID:2732
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      PID:2764
    • 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:2904
    • 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:2944
    • 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:3060
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram C:\windows\system\win.exe RPCCC
      2⤵
      • Modifies Windows Firewall
      PID:2900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2512-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2512-0-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-4-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-5-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-6-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-7-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2512-8-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-9-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-10-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-11-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-12-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-13-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-14-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-15-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-16-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-17-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-18-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB

  • memory/2512-19-0x0000000000400000-0x0000000000DAD000-memory.dmp

    Filesize

    9.7MB