5ae7d20ccdaa8f2455b44d75a2dfb8ca60f8ab6387bcd145117022934137b481

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
10/03/2025, 23:50

Target

5ae7d20ccdaa8f2455b44d75a2dfb8ca60f8ab6387bcd145117022934137b481.dll
Size

137KB
MD5

5f049bdbf6f3e3c71438a949bc02419d
SHA1

fa69bf2ebc393e14d3a09d04b1a7cd4a3a1ed87b
SHA256

5ae7d20ccdaa8f2455b44d75a2dfb8ca60f8ab6387bcd145117022934137b481
SHA512

4657f7e3cc84c30cc6620ca34b7e7a531f9bec003445bfa914876d751c110c58595a89d59227ced8299393626e05139577b961bf59f0a15c3377b6b20f7fde1c
SSDEEP

3072:BR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu3:M25GgFny61mraJ

Score

8^/10

Boot or Logon Autostart Execution: Port Monitors 1 TTPs 2 IoCs

Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

Port Monitors

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll"	rundll32.exe

Sets service image path in registry 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Spooler\ImagePath = "Spoolsv.exe"	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\com\comb.dll	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe
File created	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1456	2416	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

System Language Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2416	2020	rundll32.exe	30
PID 2020 wrote to memory of 2416	2020	rundll32.exe	30
PID 2020 wrote to memory of 2416	2020	rundll32.exe	30
PID 2020 wrote to memory of 2416	2020	rundll32.exe	30
PID 2020 wrote to memory of 2416	2020	rundll32.exe	30
PID 2020 wrote to memory of 2416	2020	rundll32.exe	30
PID 2020 wrote to memory of 2416	2020	rundll32.exe	30
PID 2416 wrote to memory of 1456	2416	rundll32.exe	31
PID 2416 wrote to memory of 1456	2416	rundll32.exe	31
PID 2416 wrote to memory of 1456	2416	rundll32.exe	31
PID 2416 wrote to memory of 1456	2416	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ae7d20ccdaa8f2455b44d75a2dfb8ca60f8ab6387bcd145117022934137b481.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ae7d20ccdaa8f2455b44d75a2dfb8ca60f8ab6387bcd145117022934137b481.dll,#1
  2⤵
  - Boot or Logon Autostart Execution: Port Monitors
  - Sets service image path in registry
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 228
    3⤵
    - Program crash
    PID:1456