f16104254e8fed34ed61afd2463d4c1f25e71f6758d92c87ce48a696d6da50a0

Analysis

max time kernel
133s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2024 06:18

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

c61501f07cf09bcfcdfe4cc8a1ebbbe3
SHA1

e8581b4359651b857646ae727efaaef372daa0fc
SHA256

7e75f148920db6300dad5a1c12fd5d6eecc95698a310a01311181bc98a704d55
SHA512

9837abe7ec3fa0f1f5193968d12b7ca1893e34eddf628db1f7ab6715b4de339231f0ec1b5f0f86c767f5a30c40da5c4a95e99deedd22eece93cb0d00539aad24
SSDEEP

192:Kk09rQDenC9VrcK7REgSWOprANupQYLRszDDH/d9CWlXo7U6Wxf:Kk0JQEaVAK7R9SfpjpQYLRszfH/d9CWv

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1800 4288 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
1800	4288	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 4652 wrote to memory of 4288	4652	rundll32.exe	rundll32.exe
PID 4652 wrote to memory of 4288	4652	rundll32.exe	rundll32.exe
PID 4652 wrote to memory of 4288	4652	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4652

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:4288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 612
3⤵
- Program crash
PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4288 -ip 4288
1⤵
PID:732

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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