5a47a9d3dbb16c5926f4a4a20dfc5b7d66a517ce257c74bf94efa7d543e4d467

Analysis

max time kernel
300s
max time network
203s
platform
windows11-21h2_x64
resource
win11-20241007-es
resource tags

arch:x64arch:x86image:win11-20241007-eslocale:es-esos:windows11-21h2-x64systemwindows
submitted
24-10-2024 16:25

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General

Target

00898-ENVIO COPIA DE LA NOTIFICACION ELECTRONICA/msvcr90.dll
Size

638KB
MD5

11d49148a302de4104ded6a92b78b0ed
SHA1

fd58a091b39ed52611ade20a782ef58ac33012af
SHA256

ceb0947d898bc2a55a50f092f5ed3f7be64ac1cd4661022eefd3edd4029213b0
SHA512

fdc43b3ee38f7beb2375c953a29db8bcf66b73b78ccc04b147e26108f3b650c0a431b276853bb8e08167d34a8cc9c6b7918daef9ebc0a4833b1534c5afac75e4
SSDEEP

12288:5hr4UC+Ju/A0BI4yWkoGKJwZ9axKmhYTMAO7wFKjCUmRyyPe:9JfyZFGKJjxKmhSMAB6CUmRyyPe

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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 6004 wrote to memory of 6100	6004	rundll32.exe	rundll32.exe
PID 6004 wrote to memory of 6100	6004	rundll32.exe	rundll32.exe
PID 6004 wrote to memory of 6100	6004	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\00898-ENVIO COPIA DE LA NOTIFICACION ELECTRONICA\msvcr90.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:6004

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\00898-ENVIO COPIA DE LA NOTIFICACION ELECTRONICA\msvcr90.dll",#1
2⤵
- System Location Discovery: System Language Discovery
PID:6100

Network

MITRE ATT&CK Enterprise v15

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 v15

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