6cbbfe0860d7c601d7c179840ebbf2c65009382419d539ab2d11db91c6ea1dd7

Resubmissions

05-09-2024 01:43

240905-b5l31a1arj 7

05-09-2024 01:41

240905-b38h8a1amk 7

Analysis

max time kernel
29s
max time network
148s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
05-09-2024 01:43

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General

Target

$PLUGINSDIR/nsDialogs.dll
Size

9KB
MD5

b7d61f3f56abf7b7ff0d4e7da3ad783d
SHA1

15ab5219c0e77fd9652bc62ff390b8e6846c8e3e
SHA256

89a82c4849c21dfe765052681e1fad02d2d7b13c8b5075880c52423dca72a912
SHA512

6467c0de680fadb8078bdaa0d560d2b228f5a22d4d8358a1c7d564c6ebceface5d377b870eaf8985fbee727001da569867554154d568e3b37f674096bbafafb8
SSDEEP

96:ooEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YMNqkzfFc:ooEvCu5e81785qHFcU0PuAw0uyyIFc

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1928 3028 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
1928	3028	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 2744 wrote to memory of 3028	2744	rundll32.exe	rundll32.exe
PID 2744 wrote to memory of 3028	2744	rundll32.exe	rundll32.exe
PID 2744 wrote to memory of 3028	2744	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:2744

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:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 552
3⤵
- Program crash
PID:1928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3028 -ip 3028
1⤵
PID:716

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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