25d1cc5be93c7a0b58855ad1f4c9df3cfb9ec87e5dc13db85b147b1951ac6fa8

Analysis

max time kernel
149s
max time network
138s
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/msvcr100.dll
Size 756KB
Sample261010-exynlsfe86
SHA256 25d1cc5be93c7a0b58855ad1f4c9df3cfb9ec87e5dc13db85b147b1951ac6fa8
MD5 ef3e115c225588a680acf365158b2f4a
SHA1 ecda6d3b4642d2451817833b39248778e9c2cbb0
SHA512 d51f51336b7a34eb6c8f429597c3d685eb53853ee5e9d4857c40fc7be6956f1b8363d8d34bebad15ccceae45a6eb69f105f2df6a672f15fb0e6f8d0bb1afb91a
SSDEEP 12288:amCy3y9cSWI5vMBEWL3XU8+n6ODOlMFgvXmteA5RLTDz7sHA9p++/pj:amCy3acqvM6WL3XU8+n6ODxgf4eUH7Tt
TLSH
T1D8F49E11B692C073C17221300629D7B25D7BB9711034A46BBBD99F3E1FB47C1EA277AA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4192	1316	WerFault.exe	85

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 1868 wrote to memory of 1316	1868	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\AuthWebhook\msvcr100.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\AuthWebhook\msvcr100.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 600
    3⤵
    - Program crash
    PID:4192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1316 -ip 1316
1⤵
PID:672

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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