ae2001d5b60a2f0bd8e72c0106363950cd9f68e9ce42b9a40b0af26814908809

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
10-08-2024 07:59

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General

Target

$PLUGINSDIR/nsDialogs.dll
Size

9KB
MD5

904d8313031ac05e2bac3dd329828833
SHA1

6c8322f76e5c38bc24b0bcc057a510c92ec40b43
SHA256

a7c5516478ab02b5d6c1684b3c2b31ee03331712bcd9f9a8ef8309d2b72c8ec4
SHA512

9d524ebc965f224e1a16f537f71df0963c586fd548cb9a901f8afb1951416dd656d5493cc5e304157dfa6d70d69bcd4c5a5b140fceb3736548e71fe7086b6de8
SSDEEP

192:oR8cxzvTyl4tgi8pPjQM0PuAg0YNyAUIFtSP:IBxzm+t18pZ0WAg0RzIFg

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3716 5948 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
3716	5948	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 548 wrote to memory of 5948	548	rundll32.exe	rundll32.exe
PID 548 wrote to memory of 5948	548	rundll32.exe	rundll32.exe
PID 548 wrote to memory of 5948	548	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:5948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5948 -s 544
3⤵
- Program crash
PID:3716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5948 -ip 5948
1⤵
PID:3124

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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