c83dfede8b29f66fd576803d4e0d9148b9d6da95fe6c82402c3eb75dd5777f0a

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2024 13:20

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General

Target

Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/msvcp71.dll
Size

488KB
MD5

561fa2abb31dfa8fab762145f81667c2
SHA1

c8ccb04eedac821a13fae314a2435192860c72b8
SHA256

df96156f6a548fd6fe5672918de5ae4509d3c810a57bffd2a91de45a3ed5b23b
SHA512

7d960aa8e3cce22d63a6723d7f00c195de7de83b877eca126e339e2d8cc9859e813e05c5c0a5671a75bb717243e9295fd13e5e17d8c6660eb59f5baee63a7c43
SSDEEP

12288:fJzxYPVsBnxO/R7krZhUgiW6QR7t5k3Ooc8iHkC2eq:fZxvBnxOJ7ki3Ooc8iHkC2e

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4988 3984 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
4988	3984	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 4784 wrote to memory of 3984	4784	rundll32.exe	rundll32.exe
PID 4784 wrote to memory of 3984	4784	rundll32.exe	rundll32.exe
PID 4784 wrote to memory of 3984	4784	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\msvcp71.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4784
- 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\msvcp71.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 604
    3⤵
    - Program crash
    PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3984 -ip 3984
1⤵
PID:4228

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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