3a101fa91d4e8831dfb748a1e345ab74fd4a551e64254710bdf53972ba9b473c

Analysis

max time kernel
898s
max time network
375s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
28/08/2026, 18:58

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General

Target
$PLUGINSDIR/nsExec.dll
Size 7KB
Sample260828-xmkccasdnc
SHA256 3a101fa91d4e8831dfb748a1e345ab74fd4a551e64254710bdf53972ba9b473c
MD5 c953dd0aab774f1446fcd63fa7c5f613
SHA1 6b7e1ef30b3ce2b353d310a8c99111c01e1f752e
SHA512 7fdfc451ada1789ad44a33fee7a97acf9f482ae58b5207564ce8ac90fbc8b0fc891bc02d8c1d9a1d0d3fb77954106115582080e129bb93634a2cb16777201e14
SSDEEP 96:JbzdzBzMDhOZZDbXf5GsWvSv1ckne94SDbYkvML1HT1fUNQaSGYuHwDQ:JEQHDb2vSuOc41ZfUNQZGdHo
TLSH
T15EE1093571C02DF7D08D897438167D2F83F4D52627BA05A046771AD579D0AF6EE28B42
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1980	2000	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 1 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 2000	756	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:756
- 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:2000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 468
    3⤵
    - Program crash
    PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2000 -ip 2000
1⤵
PID:576

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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