412eb2591e83c426c4941fb1cf80f6b39b5c98f8693095f2b5792b4d5148f0ed

Analysis

max time kernel
144s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
25/12/2024, 15:26

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General

Target

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

112KB
MD5

d0b3cc3feef9a483b63d180ccdc1992a
SHA1

812388ee2b1bca8946203979c3f4c427aef22c1f
SHA256

fc14dc275026daba48c4014a0de0f4e228043fa899c9ae0308f6ea2c239af1f1
SHA512

2185b810fd90d812035543efbadd684c12f835e7dcfb949324daa5954950674aea621280a8f408e17deae8f01b2c19b6dce64238f2843e30a1dfcb8e449a980a
SSDEEP

3072:nsaDUh9T2dO9O3ed9zJ11Xx3QKHwsTPOEt+AlL0F3Hd:nsp9T2dO4o91MEt7h839

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3600	2348	WerFault.exe	77

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

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 2348	3484	rundll32.exe	77
PID 3484 wrote to memory of 2348	3484	rundll32.exe	77
PID 3484 wrote to memory of 2348	3484	rundll32.exe	77

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Release\runtimes\win-x86\native\WebView2Loader.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Release\runtimes\win-x86\native\WebView2Loader.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 448
    3⤵
    - Program crash
    PID:3600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2348 -ip 2348
1⤵
PID:3848

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

Windows 7 deprecation

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