4b218a354d58368cbbd884b58e6539ce38e54247eb6e0b5c67f202e9cec067a5

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/10/2026, 04:19

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General

Target
AuthWebhook/msvcp_win.dll
Size 480KB
Sample261010-exynlsfe86
SHA256 4b218a354d58368cbbd884b58e6539ce38e54247eb6e0b5c67f202e9cec067a5
MD5 66e604c9e8bb7fe0d02902c3c041e461
SHA1 9dcb34d86fd45e75e34667183b0790676dce99be
SHA512 c3027fd1b09c041b22750d302bc9f67cf88f82a082c3af792276ad34806b6b822286b9bebc51928a837cdeba3d00c06acd6cc3085c3c9cbd67a172df05bda923
SSDEEP 12288:VDprVN3S7dLYu8AB5A5Pb4lGqLHK1BvSVJashUgiW6QR7t5s03Ooc8dHkC2esSaa:xpu7dLpA5j4nHKnKU03Ooc8dHkC2eraa
TLSH
T1C0A43C337A460AB1E48923B4328D536283F9EC654761A3C357DFF6A9BF152C06A336C5
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4196	812	WerFault.exe	88

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 4276 wrote to memory of 812	4276	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\AuthWebhook\msvcp_win.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4276
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\AuthWebhook\msvcp_win.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 812 -s 600
    3⤵
    - Program crash
    PID:4196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 812 -ip 812
1⤵
PID:4412

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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