515f8c3683c36ffaf64d01693bb83eeb1f0dbfddecf95ec4d7c3f08e7f00c0dc

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/10/2026, 04:19

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General

Target
AuthWebhook/mfc100u.dll
Size 4.2MB
Sample261010-exynlsfe86
SHA256 515f8c3683c36ffaf64d01693bb83eeb1f0dbfddecf95ec4d7c3f08e7f00c0dc
MD5 6358cc2a77f3c12c5b9b16190d5477f7
SHA1 47ee1895c6e11248fa6cd2a594f6395335453d35
SHA512 8eced5237cbd287b8a66044580b60fedf2a324ba377b2ac1e332f5bcd7aac6b212e9c4da1cd5f3b1aeafcc313da80040e634e05fccea60f803aaad19a18e6e7d
SSDEEP 98304:ZhRRni1aewd5ZnDRB+5sCpffcU1jQV7jztl8bo1pKkXwLNVk7hERtCDJFLOAkGkh:Zhi1/2JIg9JFLOyomFHKnPAK
TLSH
T14D268D227ED990B4CDD321B0469E7679A26EECD4273406C351943BFBE9743C16E3898B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

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 2996 wrote to memory of 4348	2996	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\AuthWebhook\mfc100u.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\AuthWebhook\mfc100u.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4348

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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