a704e0cefd6e42313b10ce353f9c2b1644513121bc3763ef3cdc0286b0cddfd6

Analysis

max time kernel
148s
max time network
129s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
13/11/2026, 18:57

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General

Target
Nhook.dll
Size 54KB
Sample261113-xmfddsft8v
SHA256 a704e0cefd6e42313b10ce353f9c2b1644513121bc3763ef3cdc0286b0cddfd6
MD5 5fac56d8aec6e3b62685c51a7cb597d2
SHA1 ec9308d5f7776d32575baac8058b461926697e9b
SHA512 719c9774f0dec107fc7a78ff71165edb361a72dd280e7874699ae5b4c9d91cc0cfc3526238173b2c67e50a933299a7d693d09369f3f9e2c05c3df46bf2e644b2
SSDEEP 1536:oAolZsp8ALwNmCM14jUPNZPn9CBnouy8:Wl2pNLw2GUPNZPn9Chout
TLSH
T1B443010BE2498CB4C65D487803D271566C988B0DCAC7B4DABEC8A06BFD757607D36593
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral6/memory/5104-0-0x0000000010000000-0x0000000010045000-memory.dmp	upx
behavioral6/memory/5104-1-0x0000000010000000-0x0000000010045000-memory.dmp	upx

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 828 wrote to memory of 5104	828	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Nhook.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Nhook.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5104

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

Replay Monitor

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Downloads

memory/5104-0-0x0000000010000000-0x0000000010045000-memory.dmp

Download

memory/5104-1-0x0000000010000000-0x0000000010045000-memory.dmp