1a0105cf570308597af0ea76b9eca74fc24b6f84b41a406ef96a3f24e82e6167

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 01:27

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General

Target

OFICIO NOTIFICACIÓN ELECTRÓNICA CENDO RAMA JUDICIAL DEL PODER PÚBLICO ESM CONFIRMAR RECIBIDO/msvcp90.dll
Size

557KB
MD5

90a32d8e07f7fb3d102eab1da28f0723
SHA1

0903911bbb5d00f68ba51895fa898b38a5453ded
SHA256

004ed24507dc7307cec1a3732fa57eabf19e918c3e1b54561e6cc01f554c0b77
SHA512

2c69586d5c5d2b4b5decf2bf479554c3d0ff5f5a6fbacb01b8583ea8d96d0ae9c850c30a0d43eb2ad1116be901578d15fe08fce3e505440c854082c208a79f1a
SSDEEP

12288:BpFE340h3e34GVZQACkIPYhUgiW6QR7t5183Ooc8SHkC2eLgAfO:Bph0h3e3vgzPA83Ooc8SHkC2eLgAfO

Score

3^/10

discovery

Malware Config

Signatures

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

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2400 wrote to memory of 2716	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 2716	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 2716	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 2716	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 2716	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 2716	2400	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 2716	2400	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\OFICIO NOTIFICACIÓN ELECTRÓNICA CENDO RAMA JUDICIAL DEL PODER PÚBLICO ESM CONFIRMAR RECIBIDO\msvcp90.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\OFICIO NOTIFICACIÓN ELECTRÓNICA CENDO RAMA JUDICIAL DEL PODER PÚBLICO ESM CONFIRMAR RECIBIDO\msvcp90.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2716

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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