5d6c75b68e93f0ef5063faa2370a6780dc1e94b067331ff7b579f3252ab11b7b

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05/03/2025, 02:17

Target

5d6c75b68e93f0ef5063faa2370a6780dc1e94b067331ff7b579f3252ab11b7b.dll
Size

137KB
MD5

ff80b2b2ebfab3933ccb99dfa60bea66
SHA1

35cd2c95c0cd54849caa4327c3ae3795dee812c6
SHA256

5d6c75b68e93f0ef5063faa2370a6780dc1e94b067331ff7b579f3252ab11b7b
SHA512

98212a3773878d4359123239267674b824bcc22cdea8bc7e67787ebc1f26dd27058643ecb2c172b95840ab31bca2e0ed632c8b74e3a762287184849abe95539f
SSDEEP

3072:bR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuV:W25GgFny61mrab

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
2484	2584	WerFault.exe	29

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 2460 wrote to memory of 2584	2460	rundll32.exe	29
PID 2460 wrote to memory of 2584	2460	rundll32.exe	29
PID 2460 wrote to memory of 2584	2460	rundll32.exe	29
PID 2460 wrote to memory of 2584	2460	rundll32.exe	29
PID 2460 wrote to memory of 2584	2460	rundll32.exe	29
PID 2460 wrote to memory of 2584	2460	rundll32.exe	29
PID 2460 wrote to memory of 2584	2460	rundll32.exe	29
PID 2584 wrote to memory of 2484	2584	rundll32.exe	30
PID 2584 wrote to memory of 2484	2584	rundll32.exe	30
PID 2584 wrote to memory of 2484	2584	rundll32.exe	30
PID 2584 wrote to memory of 2484	2584	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d6c75b68e93f0ef5063faa2370a6780dc1e94b067331ff7b579f3252ab11b7b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d6c75b68e93f0ef5063faa2370a6780dc1e94b067331ff7b579f3252ab11b7b.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:2584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 232
    3⤵
    - Program crash
    PID:2484