762c01cffcfc2f0df5caaeceb440707f9efd916ed7bc4606f0137df7c3f6e1de

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 10:27

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General

Target

NOTIFICACIÓN ELECTRÓNICA JUDICIAL AUTO ADMISORIO DEMANDA LABORAL/coolcore49.dll
Size

764KB
MD5

02ddce012b021879d5b3e980c48f2d2f
SHA1

0a7b556947b717b297dd312ee4579cfdb30f6e3b
SHA256

4e38d88a59fc49ec56aafb207777d1987a9711b457514f09fed221dbf640111a
SHA512

b1ef87cfcc3063916e36e733024a3b49fa7cabf32531c3a3ec55021be229cd6c2ccedc184901beb6cac3a94e6c0283bb21d1638843dc6f4dd6c5a4be15379404
SSDEEP

12288:wZ6SIFGSvPRLixnF6XXwE24ms0JmH/Iu+OQq7iRotw3xIuZ4lzTOj31RBn3dN+1b:MohvPRLixnF6nYW0JmfIu+OQxRotw3x8

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2388 4740 WerFault.exe rundll32.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:

rundll32.exe

description ioc process

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

pid	pid_target	process	target process
2388	4740	WerFault.exe	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 1308 wrote to memory of 4740	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 4740	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 4740	1308	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNICA JUDICIAL AUTO ADMISORIO DEMANDA LABORAL\coolcore49.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNICA JUDICIAL AUTO ADMISORIO DEMANDA LABORAL\coolcore49.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 604
    3⤵
    - Program crash
    PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4740 -ip 4740
1⤵
PID:2116

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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