c59b51d15b5965f27db4c5bbd21793ad6b492c8c751836ba8bd43829d791146e

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 12:09

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General

Target

$PLUGINSDIR/System.dll
Size

19KB
MD5

f020a8d9ede1fb2af3651ad6e0ac9cb1
SHA1

341f9345d669432b2a51d107cbd101e8b82e37b1
SHA256

7efe73a8d32ed1b01727ad4579e9eec49c9309f2cb7bf03c8afa80d70242d1c0
SHA512

408fa5a797d3ff4b917bb4107771687004ba507a33cb5944b1cc3155e0372cb3e04a147f73852b9134f138ff709af3b0fb493cd8fa816c59e9f3d9b5649c68c4
SSDEEP

384:u8+Qlt70Fj/lQRY/9VjjgLmqZmZsHLAMThHdjnG:uSqFjm6YLP17ThHdC

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1620 2336 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
1620	2336	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2120 wrote to memory of 2336	2120	rundll32.exe	rundll32.exe
PID 2120 wrote to memory of 2336	2120	rundll32.exe	rundll32.exe
PID 2120 wrote to memory of 2336	2120	rundll32.exe	rundll32.exe
PID 2120 wrote to memory of 2336	2120	rundll32.exe	rundll32.exe
PID 2120 wrote to memory of 2336	2120	rundll32.exe	rundll32.exe
PID 2120 wrote to memory of 2336	2120	rundll32.exe	rundll32.exe
PID 2120 wrote to memory of 2336	2120	rundll32.exe	rundll32.exe
PID 2336 wrote to memory of 1620	2336	rundll32.exe	WerFault.exe
PID 2336 wrote to memory of 1620	2336	rundll32.exe	WerFault.exe
PID 2336 wrote to memory of 1620	2336	rundll32.exe	WerFault.exe
PID 2336 wrote to memory of 1620	2336	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2120

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 220
3⤵
- Program crash
PID:1620

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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