9d957b86c153e94d8ed0bd275026aa2431d4040218cc0054a446f0ceeea83ffd

Analysis

max time kernel
92s
max time network
204s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2024 05:00

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General

Target

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

824KB
MD5

60a5383ba17d8f519cb4356e28873a14
SHA1

6bf70393d957320a921226c7fcdf352a0a67442d
SHA256

80878e4543959b63cbd87e3ebb82f4988cbbdf9da564370aa15410783c5f343f
SHA512

a0e0ef1d821e13977d14a806357128285edc0a26c01dcf9fd99e7c62f8efccdf608b1c0dceb1f3f40e988692eb549e22193d9ce253a1c0c1d8b10c46955bee12
SSDEEP

12288:0/Ka9tTMxe3NmvU7sBlHaLZuJJPgcCq+1kbb7Uety9v:0/P9tTMxe3NmOsB0LZuvYcCq+o3Ue49

Score

3^/10

discovery

Malware Config

Signatures

Program crash 3 IoCs

pid	pid_target	Process	procid_target
4464	5052	WerFault.exe	84
2812	5052	WerFault.exe	84
644	5052	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	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4100 wrote to memory of 5052	4100	regsvr32.exe	84
PID 4100 wrote to memory of 5052	4100	regsvr32.exe	84
PID 4100 wrote to memory of 5052	4100	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNCIA JUDICIAL ESM AGRADECEMOS CONFIRMAR RECIBIDO 15\MUICoreLib.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Windows\SysWOW64\regsvr32.exe
  /s "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNCIA JUDICIAL ESM AGRADECEMOS CONFIRMAR RECIBIDO 15\MUICoreLib.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 760
    3⤵
    - Program crash
    PID:4464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 768
    3⤵
    - Program crash
    PID:2812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 660
    3⤵
    - Program crash
    PID:644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5052 -ip 5052
1⤵
PID:676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5052 -ip 5052
1⤵
PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5052 -ip 5052
1⤵
PID:2992

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

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Downloads

memory/5052-0-0x00000000021A0000-0x0000000002271000-memory.dmp

Filesize
836KB

Download
memory/5052-2-0x00000000022C0000-0x0000000002323000-memory.dmp

Filesize
396KB

Download