f12a285cd494045e1ea9cd014305b9a063fe7fb44aaae60c5307a7e588503a23

Analysis

max time kernel
90s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
14-11-2024 10:18

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General

Target

$PLUGINSDIR/nsExec.dll
Size

17KB
MD5

0c220b7d0d37229177cdf8fc3ccc836b
SHA1

d5b6a594c679b5acb5893fb8c9b9c95d123ce31c
SHA256

52056666c77215c7aea1bc8e0f7d13b1077bddc9dafb5944d9a01121b665bfea
SHA512

ae8cede92694e140185b58c39c68e3f5796c13354adf0626c31409f62015ab7bd03716a0ee4eb71b8b8d037bc2abe143f0b079f1535db811d1b6e260c8408e2a
SSDEEP

384:cH/cXtqfUNQZGdH26ki2wi3a32MKFKjqfvGBkSv6u:cHw8fUAGRJ2b+2MKFKcMka

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4732	2840	WerFault.exe	80

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 1776 wrote to memory of 2840	1776	rundll32.exe	80
PID 1776 wrote to memory of 2840	1776	rundll32.exe	80
PID 1776 wrote to memory of 2840	1776	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 472
    3⤵
    - Program crash
    PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2840 -ip 2840
1⤵
PID:2080

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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