66b2f36274ddfeef35b1d6ae6e5755f834446e5d78a719063347543793987161

Analysis

max time kernel
148s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260630-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/07/2026, 18:11

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General

Target
$PLUGINSDIR/nsis7z.dll
Size 175KB
Sample260705-ws2cdaav7k
SHA256 66b2f36274ddfeef35b1d6ae6e5755f834446e5d78a719063347543793987161
MD5 87853c0f20f065793bdc707ece66190b
SHA1 738e11a9a565923ec75400a0cd4bce4db257b21d
SHA512 febfcd11795f4ef0ff3d25cbf1856be01e7f6423a9f16028c927988c04ab21de5f0b076d7f4ce9294aa7603c0db61ea5ffb888af2e9f7c6a6a11bcabfe9795a2
SSDEEP 3072:eBFxfbJUIW9WGExPYD5JFBJOYWjm8KCmRv1fPIVF2tbRp:6xzJSAGEdYD5JcYl78Fs
TLSH
T110049D2337E0C175E21F0732DE56EB9122BAB6504E62C8873F990F5C4F726989E2D716
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4900	6668	WerFault.exe	89

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 5812 wrote to memory of 6668	5812	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5812
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:6668
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 6668 -s 504
    3⤵
    - Program crash
    PID:4900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 6668 -ip 6668
1⤵
PID:6344

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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