ea08fba535ff837c953efbd7e664aa22bec2f4784d2d66e3dea3b357b705d973

Analysis

max time kernel
95s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2025 15:00

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

b55f7f1b17c39018910c23108f929082
SHA1

1601f1cc0d0d6bcf35799b7cd15550cd01556172
SHA256

c4c6fe032f3cd8b31528d7b99661f85ee22cb78746aee98ec568431d4f5043f7
SHA512

d652f2b09396ef7b9181996c4700b25840ceaa6c1c10080a55ce3db4c25d8d85f00a21e747f9d14a3374be4cdd4ea829a18d7de9b27b13b5e304447f3e9268fa
SSDEEP

96:L7fhfKaGgchPzxK6bq+pKX6D8ZLidGgmkN538:RbGgGPzxeX6D8ZyGgmkN

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4532	4700	WerFault.exe	83

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 3028 wrote to memory of 4700	3028	rundll32.exe	83
PID 3028 wrote to memory of 4700	3028	rundll32.exe	83
PID 3028 wrote to memory of 4700	3028	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- 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:4700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 620
    3⤵
    - Program crash
    PID:4532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4700 -ip 4700
1⤵
PID:404

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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