Analysis

  • max time kernel
    150s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/02/2024, 22:36

General

  • Target

    a0839462a8537c521cca37c5365ca703.exe

  • Size

    3.7MB

  • MD5

    a0839462a8537c521cca37c5365ca703

  • SHA1

    3a2fa7467655dcc338dfd6d8f444a5dd6c60bda0

  • SHA256

    5724ffd28f7e5deea1e05d8e78d5616f2a8e289884a924537abcb93b7e9fe269

  • SHA512

    df1b146ec1d96fd27cc965baa093e3bb86b48b4962fb9b6b651e4a1589531a7051c37adb07810cf2f20edb5cf72da65792d755a6353b70b0ffcf06a834355252

  • SSDEEP

    98304:qx9vjTfAP10s9RamcXhGRQtqBK0vI9ewgUtO2209FjVAX:IIP10syHYqoBK0A9eMO2/fVAX

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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0839462a8537c521cca37c5365ca703.exe
    "C:\Users\Admin\AppData\Local\Temp\a0839462a8537c521cca37c5365ca703.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:4100
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
      2⤵
      • Creates scheduled task(s)
      PID:3668
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      PID:2108
    • 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:5028
    • 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:1004
    • 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:3640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4100-0-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-1-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-2-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-3-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-4-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-6-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-5-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-7-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-8-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-9-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-11-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-12-0x0000000001B50000-0x0000000001B51000-memory.dmp

    Filesize

    4KB

  • memory/4100-13-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-14-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-15-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-16-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-17-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-18-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

    Filesize

    368KB

  • memory/4100-19-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-20-0x0000000001B50000-0x0000000001B51000-memory.dmp

    Filesize

    4KB

  • memory/4100-21-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-22-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-23-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-24-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-25-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-26-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-27-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-28-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-29-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-30-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-31-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB

  • memory/4100-32-0x0000000000400000-0x0000000001A12000-memory.dmp

    Filesize

    22.1MB