370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
06-08-2024 19:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/InstallOptions.dll
Size

14KB
MD5

9b2ad0546fd834c01a3bdcbfbc95da7d
SHA1

4f92f5a6b269d969ba3340f1c1978d337992a62c
SHA256

7e08cb4ff81dbb0573c672301681e31b2042682e9a2204673f811455f823dd37
SHA512

5b374fe7cc8d6ff8b93cfcc8deae23f2313f8240c998d04d3e65c196b33c7d36a33930ffd481cdd6d30aa4c73dd2a1c6fe43791e9bf10bd71b33321a8e71c6b8
SSDEEP

192:v6JaVGQ+xI5EeuyvMmGpeWH2J5xprN+AxTKK72dwF7dBdcQOz:v6JaVh4I5rpPbTK+BdhO

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4360 1392 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
4360	1392	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 4408 wrote to memory of 1392	4408	rundll32.exe	rundll32.exe
PID 4408 wrote to memory of 1392	4408	rundll32.exe	rundll32.exe
PID 4408 wrote to memory of 1392	4408	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4408

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1392 -s 548
3⤵
- Program crash
PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1392 -ip 1392
1⤵
PID:848

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

Replay Monitor

Loading Replay Monitor...

Downloads