fd572b7d3a4be030f68a661461ce66831ef56237b5d0635010b4e29e4dfa328d

Analysis

max time kernel
149s
max time network
156s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
25/05/2026, 16:15

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General

Target
$PLUGINSDIR/nsis7z.dll
Size 479KB
Sample260525-tp87psds6l
SHA256 fd572b7d3a4be030f68a661461ce66831ef56237b5d0635010b4e29e4dfa328d
MD5 fbc5319c1df03c1ad2faad46734f675b
SHA1 7a7870e622e8a360d1c35444186cff7d7dba29cf
SHA512 cb0aea9a9d7502e7534b88af21646c1286bc7fbe2b141cf92ffc510522dea7e6ce34031229dde58d5eac22821b2e95ddb002e25d3aa728cf8d3f8c9e83421b63
SSDEEP 6144:qb2ny5pcPMln1+MtUEVNRRUF7wvFg5bvaIJzsOiNF+3BgL8ysyekcI/5o71crHK:qb5Dl9tU6/ve9aiZcF+3S3ekcMw1SHK
TLSH
T1E2A49E23B691C076D62E03308A19F7A929BFB3710A2999DB77985B7F1FF04C19718607
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2236	4224	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 6072 wrote to memory of 4224	6072	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:6072
- 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:4224
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 468
    3⤵
    - Program crash
    PID:2236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4224 -ip 4224
1⤵
PID:5412

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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