421ff80415726f048213bed08a4d02f4c2f5a11af92893fc9ddc6b98e55db095

Analysis

max time kernel
1470s
max time network
1442s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2024 16:36

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General

Target

DESCARGAR NOTIFICACIÒN DE SENTENCIA JUDICIAL AGRADECEMOS CONFIRMAR RECIBIDO 1/UXCore.dll
Size

811KB
MD5

3c51d0ce6fa1a2e2cbe5d8510211b8e0
SHA1

5d025aca30cd7d6ecd0afc8b4ee719649219087c
SHA256

ee13b2c13ded5ceabaf06030147917e748415e23d01904e6c63503817762d436
SHA512

33e74cf8d08fa11ce791f3b92cd9d0c130cce717952618c724a30a63189529ed894dfb396425c0911994ef8e519844e39316485707503ffc3e4d34390fc48266
SSDEEP

12288:LX0Y0yaWduIfHk898h2iKq6vPZTZpKNnSr71O7O7llqgGPT:70Y0yVumHRC2JnP1Bplqgi

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1372 740 WerFault.exe regsvr32.exe
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:

regsvr32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe

pid	pid_target	process	target process
1372	740	WerFault.exe	regsvr32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 4112 wrote to memory of 740	4112	regsvr32.exe	regsvr32.exe
PID 4112 wrote to memory of 740	4112	regsvr32.exe	regsvr32.exe
PID 4112 wrote to memory of 740	4112	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\DESCARGAR NOTIFICACIÒN DE SENTENCIA JUDICIAL AGRADECEMOS CONFIRMAR RECIBIDO 1\UXCore.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:4112

C:\Windows\SysWOW64\regsvr32.exe
/s "C:\Users\Admin\AppData\Local\Temp\DESCARGAR NOTIFICACIÒN DE SENTENCIA JUDICIAL AGRADECEMOS CONFIRMAR RECIBIDO 1\UXCore.dll"
2⤵
- System Location Discovery: System Language Discovery
PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 636
3⤵
- Program crash
PID:1372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 740 -ip 740
1⤵
PID:4016

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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