52d73c185a08cafda0aa18a695ca7a53ddd6747ccaf4a7f935b042621ba929d2

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 01:44

Target

52d73c185a08cafda0aa18a695ca7a53ddd6747ccaf4a7f935b042621ba929d2.dll
Size

137KB
MD5

47e6587b4000f64e4bc5c82dba758aef
SHA1

84c7f93a4cfef424315175f95c76980c6cd55251
SHA256

52d73c185a08cafda0aa18a695ca7a53ddd6747ccaf4a7f935b042621ba929d2
SHA512

948e84cd28eea35fbc102228bb3a1dc22440af0326f77185610c4b22e2b024ec086bf3754ea66c89938d6a33599b0608d5e5821c4bad6602539dd0ee4693d995
SSDEEP

3072:OR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuu:b25GgFny61mraY

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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor	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
1916	1316	WerFault.exe	28

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 2400 wrote to memory of 1316	2400	rundll32.exe	28
PID 2400 wrote to memory of 1316	2400	rundll32.exe	28
PID 2400 wrote to memory of 1316	2400	rundll32.exe	28
PID 2400 wrote to memory of 1316	2400	rundll32.exe	28
PID 2400 wrote to memory of 1316	2400	rundll32.exe	28
PID 2400 wrote to memory of 1316	2400	rundll32.exe	28
PID 2400 wrote to memory of 1316	2400	rundll32.exe	28
PID 1316 wrote to memory of 1916	1316	rundll32.exe	29
PID 1316 wrote to memory of 1916	1316	rundll32.exe	29
PID 1316 wrote to memory of 1916	1316	rundll32.exe	29
PID 1316 wrote to memory of 1916	1316	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\52d73c185a08cafda0aa18a695ca7a53ddd6747ccaf4a7f935b042621ba929d2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\52d73c185a08cafda0aa18a695ca7a53ddd6747ccaf4a7f935b042621ba929d2.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:1316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 228
    3⤵
    - Program crash
    PID:1916