837ec0e9287fcb56331695971c618ce18f14dff0107ccd5749bd51c75bccc6d6

Analysis

max time kernel
197s
max time network
291s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
02-10-2024 19:10

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General

Target

runtimes/win-x86/native/WebView2Loader.dll
Size

107KB
MD5

5c456e3a2e604b21d92c89194e590b47
SHA1

dc6adf0630492eb19f1f9efabbb8fbecb066cfde
SHA256

1c87b1e697f1db43b5893f8c853164f54828f5f4406747bc0d7af64c43648015
SHA512

5ad8516e778d2318bd67a11ef193fac41f88e7c09e61a23b84d4c6efb9f3823b8bd6fdff09baa6480d063b60669a2ef3e05514a3f00eb7f5e37266abe21c5ba2
SSDEEP

3072:X1kYMad5t3EXKn9aOiddrCuP75Wt+/NmEDTEtjjOpY81/:XKNaHt3Efdd2uP7XbEtfOL1/

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3412 508 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
3412	508	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 4880 wrote to memory of 508	4880	rundll32.exe	rundll32.exe
PID 4880 wrote to memory of 508	4880	rundll32.exe	rundll32.exe
PID 4880 wrote to memory of 508	4880	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\runtimes\win-x86\native\WebView2Loader.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4880

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\runtimes\win-x86\native\WebView2Loader.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 508 -s 616
3⤵
- Program crash
PID:3412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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