265221532f2de22d617c9a489d5dd037dac1feaea7ff59d1f84fe3577e55d5b5

Analysis

max time kernel
146s
max time network
281s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
18-11-2024 22:33

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General

Target

$PLUGINSDIR/nsDialogs.dll
Size

20KB
MD5

4e5bc4458afa770636f2806ee0a1e999
SHA1

76dcc64af867526f776ab9225e7f4fe076487765
SHA256

91a484dc79be64dd11bf5acb62c893e57505fcd8809483aa92b04f10d81f9de0
SHA512

b6f529073a943bddbcb30a57d62216c78fcc9a09424b51ac0824ebfb9cac6cae4211bda26522d6923bd228f244ed8c41656c38284c71867f65d425727dd70162
SSDEEP

384:ABSzm+t18pZ0WAg0RhIFgnGNyQH38E9VF6IYinAM+oZfNRoZk:NupZ/Ag0/T8MEpYinAMxZ7oW

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1924 4248 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
1924	4248	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 3684 wrote to memory of 4248	3684	rundll32.exe	rundll32.exe
PID 3684 wrote to memory of 4248	3684	rundll32.exe	rundll32.exe
PID 3684 wrote to memory of 4248	3684	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:3684
- 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:4248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 544
    3⤵
    - Program crash
    PID:1924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4248 -ip 4248
1⤵
PID:2208

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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