76cfa33ef18d07a5c80c1d97ae71c984667fa6f70ca96fe2b9e3794531557bdb

Analysis

max time kernel
65s
max time network
141s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
02/08/2024, 18:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

3d366250fcf8b755fce575c75f8c79e4
SHA1

2ebac7df78154738d41aac8e27d7a0e482845c57
SHA256

8bdd996ae4778c6f829e2bcb651c55efc9ec37eeea17d259e013b39528dddbb6
SHA512

67d2d88de625227ccd2cb406b4ac3a215d1770d385c985a44e2285490f49b45f23ce64745b24444e2a0f581335fda02e913b92781043e8dfd287844435ba9094
SSDEEP

96:cjHFiKaoggCtJzTlKXb0tbo68qD853Ns7GgmkNG3m+s:9bogRtJzTlNR8qD85uGgmkNP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2040	4852	WerFault.exe	81

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 4636 wrote to memory of 4852	4636	rundll32.exe	81
PID 4636 wrote to memory of 4852	4636	rundll32.exe	81
PID 4636 wrote to memory of 4852	4636	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4636
- 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:4852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 468
    3⤵
    - Program crash
    PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4852 -ip 4852
1⤵
PID:2664

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

Windows 7 deprecation

Loading Replay Monitor...