762c01cffcfc2f0df5caaeceb440707f9efd916ed7bc4606f0137df7c3f6e1de

Analysis

max time kernel
149s
max time network
153s
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/msvcr71.dll
Size

340KB
MD5

86f1895ae8c5e8b17d99ece768a70732
SHA1

d5502a1d00787d68f548ddeebbde1eca5e2b38ca
SHA256

8094af5ee310714caebccaeee7769ffb08048503ba478b879edfef5f1a24fefe
SHA512

3b7ce2b67056b6e005472b73447d2226677a8cadae70428873f7efa5ed11a3b3dbf6b1a42c5b05b1f2b1d8e06ff50dfc6532f043af8452ed87687eefbf1791da
SSDEEP

6144:OcV9z83OtqxnEYmt3NEnvfF+Tbmbw6An8FMciFMNrb3YgxxpbCAOxO2ElvlE:Ooz83OtIEzW+/m/AyF7bCrO/E

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1320	2492	WerFault.exe	84

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 3 IoCs

description	pid	Process	procid_target
PID 4348 wrote to memory of 2492	4348	rundll32.exe	84
PID 4348 wrote to memory of 2492	4348	rundll32.exe	84
PID 4348 wrote to memory of 2492	4348	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNICA JUDICIAL AUTO ADMISORIO DEMANDA LABORAL\msvcr71.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4348
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNICA JUDICIAL AUTO ADMISORIO DEMANDA LABORAL\msvcr71.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 600
    3⤵
    - Program crash
    PID:1320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2492 -ip 2492
1⤵
PID:4384

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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