1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1

Analysis

max time kernel
92s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 02:11

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

fc3772787eb239ef4d0399680dcc4343
SHA1

db2fa99ec967178cd8057a14a428a8439a961a73
SHA256

9b93c61c9d63ef8ec80892cc0e4a0877966dca9b0c3eb85555cebd2ddf4d6eed
SHA512

79e491ca4591a5da70116114b7fbb66ee15a0532386035e980c9dfe7afb59b1f9d9c758891e25bfb45c36b07afd3e171bac37a86c887387ef0e80b1eaf296c89
SSDEEP

192:eS24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OloSl:S8QIl975eXqlWBrz7YLOlo

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4200 4464 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
4200	4464	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 1628 wrote to memory of 4464	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 4464	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 4464	1628	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:1628
- 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:4464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 612
    3⤵
    - Program crash
    PID:4200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4464 -ip 4464
1⤵
PID:2560

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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