f8054bc8bbdde15e4538bfeef2c8cf61f7841c39bfec0f840ee384c4db6acad2

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
01/08/2026, 01:38

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General

Target
$PLUGINSDIR/Nsis7z.dll
Size 499KB
Sample260801-b2ws2at1ex
SHA256 f8054bc8bbdde15e4538bfeef2c8cf61f7841c39bfec0f840ee384c4db6acad2
MD5 8c24fd5c61e7f8a30f4bee2f249518ac
SHA1 15b41ff9e5af22d33b07e7fb12395f57aaeba54e
SHA512 fc5050c820a8be397783b437625a420d1bdb62b86b46ad511065c696c99708d33a23f906fdc7b5934d17e18abd6ae5a075c8940e7a560efdb44d0da2c50ca115
SSDEEP 12288:sGxCpdU1Y1BcZNGpwEsoMJAc2oBt7inoNJ2f+:3H6POjoMJaoBZioG2
TLSH
T1B3B49E227A80C175C56E02309B69FBA956BEB3700A75AA9733D45B7F1FF08C19325B07
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1816	4648	WerFault.exe	84

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 4536 wrote to memory of 4648	4536	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Nsis7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4536
- 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:4648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 620
    3⤵
    - Program crash
    PID:1816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4648 -ip 4648
1⤵
PID:2044

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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