9f83690b4ba738a40f8993645d5d02d3fda46041bf93a97cbde487fe09e3bb86

Resubmissions

09-08-2024 06:22

240809-g5c3zs1ejc 10

Analysis

max time kernel
1468s
max time network
1487s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
09-08-2024 06:22

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General

Target

Nucleus.SHook32.dll
Size

397KB
MD5

d7d6bd260d74d18f1f823e78b04bf6f2
SHA1

7be4455c9741d2392c61d6230bf8e6332dd3ad65
SHA256

54842638752709e6e655a3a64840d98b8a8ebd892248c6529d39932f69b0822c
SHA512

5644aef19d47cdd7c0fb4625413eca663aafaa9c975188f38462d4c20bd0f70b82731f88ddc818abd92a65f2d9851eb7b6887f753b99bb1dd2082ee28caf7246
SSDEEP

6144:A7IBJHj1CrNN7Grc8rLoEKxLZ8Lb3RNUO7vj+Xutn4q/iWc6DUDNbAfAO55jl:AdNAPoEKxLOn3RNT7vaXut23Aftl

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

132 1372 WerFault.exe rundll32.exe
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.
discovery

System Language Discovery
T1614.001

Processes:

rundll32.exe

description ioc process

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

pid	pid_target	process	target process
132	1372	WerFault.exe	rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 5168 wrote to memory of 1372	5168	rundll32.exe	rundll32.exe
PID 5168 wrote to memory of 1372	5168	rundll32.exe	rundll32.exe
PID 5168 wrote to memory of 1372	5168	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Nucleus.SHook32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5168

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Nucleus.SHook32.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:1372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 484
3⤵
- Program crash
PID:132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1372 -ip 1372
1⤵
PID:5752

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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