b4b820739e49f8fe768aba025e137fab72fd40be772f3fb4b63920173c1e7aa8

Analysis

max time kernel
148s
max time network
121s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/07/2026, 07:02

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General

Target
b4b820739e49f8fe768aba025e137fab72fd40be772f3fb4b63920173c1e7aa8.dll
Size 1.3MB
Sample260701-httf9saw8w
SHA256 b4b820739e49f8fe768aba025e137fab72fd40be772f3fb4b63920173c1e7aa8
MD5 482d221717664aa7989aa9e86ebaeaae
SHA1 a1aba2f494c0ad0e0ec29454fd879cbcfdcd2e50
SHA512 1065a57851dac490530a6dba65ff8ba049937174d7d56b0ebd6e9251da1af361a2422226a653185b1e72097ecd284209fa2a93c4b3d36b0d867311453e3ff463
SSDEEP 24576:qvRBNul8DqEkUL+VU6oq1xnTeZTrYiQzkgkN446uITAift5dDkg9f9VhCNoh+5a:y68uEkI6oq1xnTeZTrYiQzkgkN4KITAi
TLSH
T1D1557C34764162B2EBC484B6DE3DB939019EEE23870C52C34A5E19E67C512E27F36E47
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5136	1292	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 6104 wrote to memory of 1292	6104	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4b820739e49f8fe768aba025e137fab72fd40be772f3fb4b63920173c1e7aa8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:6104
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4b820739e49f8fe768aba025e137fab72fd40be772f3fb4b63920173c1e7aa8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1292
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 592
    3⤵
    - Program crash
    PID:5136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1292 -ip 1292
1⤵
PID:4824

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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