9d957b86c153e94d8ed0bd275026aa2431d4040218cc0054a446f0ceeea83ffd

Analysis

max time kernel
150s
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
14-11-2024 21:23

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General

Target

NOTIFICACIÓN ELECTRÓNCIA JUDICIAL ESM AGRADECEMOS CONFIRMAR RECIBIDO 15/MUIUtils.dll
Size

385KB
MD5

97d6efb8b8e0b0f03701a7bafc398545
SHA1

0fe11e0b7f47fdec9aaa98b83728c125409e9d5b
SHA256

51c8715fac6797b7f962a68903f1f994c2af1088ac31972b5e512dab5ab4fd8e
SHA512

2bf8935ad96f35586be6074e8798fa36ee13a05cef05aa0df120ef6800cc1d941310c672894d2380b87c7491663c137fa5bcade4a732bcc6448ba3bf0badb2d7
SSDEEP

6144:2sOfOXbrZthMAjzD7rK4CA5Jh55W5/js47WOZXizi:2sOfOXbBpvG4zhPy3Zt

Score

3^/10

discovery

Malware Config

Signatures

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1948	4136	WerFault.exe	83
2608	4136	WerFault.exe	83

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	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 4136	2316	regsvr32.exe	83
PID 2316 wrote to memory of 4136	2316	regsvr32.exe	83
PID 2316 wrote to memory of 4136	2316	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNCIA JUDICIAL ESM AGRADECEMOS CONFIRMAR RECIBIDO 15\MUIUtils.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\regsvr32.exe
  /s "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNCIA JUDICIAL ESM AGRADECEMOS CONFIRMAR RECIBIDO 15\MUIUtils.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 756
    3⤵
    - Program crash
    PID:1948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 772
    3⤵
    - Program crash
    PID:2608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4136 -ip 4136
1⤵
PID:1912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4136 -ip 4136
1⤵
PID:3852

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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