e2d70229b34a86c7dc8caaab45b42df8ba368789b19db2ddb997a08533d5564f

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-es
resource tags

arch:x64arch:x86image:win10v2004-20241007-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
17-11-2024 04:04

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General

Target

Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MUtils.dll
Size

619KB
MD5

6da9a492898b66db78f5c9d3fc7ecc64
SHA1

d264f67d92ccd4cfeaed1510ed0b6ae90d3f7db4
SHA256

50dfc607913a47dd266e27f6533f3f6b8f9fe995582f7662a944149a26b5054c
SHA512

11bc138d16f279d70ece09e3d238ce891bc5015b6d49a750e153c2b9286bf95e285e818ed5e25e7c731cdfff1324cdb74155f68fda0ef8104eb0d554e2b2923e
SSDEEP

12288:OM9gTRuz4D8LNPKworLS82aZkg33/IbH:aTR5QPRYdkZb

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2888 3940 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
2888	3940	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 4792 wrote to memory of 3940	4792	rundll32.exe	rundll32.exe
PID 4792 wrote to memory of 3940	4792	rundll32.exe	rundll32.exe
PID 4792 wrote to memory of 3940	4792	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165\MUtils.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165\MUtils.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 608
    3⤵
    - Program crash
    PID:2888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3940 -ip 3940
1⤵
PID:2512

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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