15a25c02df447ba7892569224d4a7d0b93ac1316be9057f3f2e80ba758eb3b27

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
22/07/2026, 04:08

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General

Target
$_10_/libnspr4.dll
Size 201KB
Sample260722-eqdpvsad82
SHA256 15a25c02df447ba7892569224d4a7d0b93ac1316be9057f3f2e80ba758eb3b27
MD5 6c9799694df0134ebbb6a42c892891a3
SHA1 f63f9397893243182b2d819776fecd1bed55988e
SHA512 56c21bb81081a9753794a44f66b8274fe6470cfe1d0c83dfb3acb8415bd4fa3e15f1c738887147815919e450ccdcf43be726bcd8f45249fcefb7c09656efb57e
SSDEEP 3072:NzcwXcVnDhH5YI6KkEK7207EmrRelzafK+AnF4xH6dVHwpXpE92jDBSRYO6s0eEo:ZUDF5YTyBJuF6DHwpXpfSRYO6Z4
TLSH
T137148D44B64010FAF49B82BA19BF133B7A309764435187C3CBB46DB91B751F1AE361AE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2908	844	WerFault.exe	85

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 1 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 844	1968	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_10_\libnspr4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_10_\libnspr4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 644
    3⤵
    - Program crash
    PID:2908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 844 -ip 844
1⤵
PID:4844

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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