cbbfd15208f4d0765ec912b33ca8d21559a7ad3f5e3ba9652dea8973c410715c

Analysis

max time kernel
149s
max time network
106s
platform
windows11-21h2_x64
resource
win11-20250619-en
resource tags

arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
submitted
10/10/2025, 07:29

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General

Target
$PLUGINSDIR/System.dll
Size 11KB
Sample251010-jblt5ssjs3
SHA256 c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 9625d5b1754bc4ff29281d415d27a0fd
SHA1 80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SHA512 dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b
SSDEEP 192:eX24sihno00Wfl97nH6BenXwWobpWBTtvShJ5omi7dJWjOlqSlS:D8QIl972eXqlWBFSt273YOlqz
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1116	4660	WerFault.exe	79

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

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 4660	4116	rundll32.exe	79
PID 4116 wrote to memory of 4660	4116	rundll32.exe	79
PID 4116 wrote to memory of 4660	4116	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4116
- 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:4660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 460
    3⤵
    - Program crash
    PID:1116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4660 -ip 4660
1⤵
PID:964

Network

MITRE ATT&CK Enterprise v16

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 v16

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