81239bd303b28a9e6d5da5436b83853a47e2e8ad26aac557060b92854f8e054c

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 00:16

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General

Target

Envio copia de la Notificacion electrnica Demanda/vcruntime140.dll
Size

78KB
MD5

1e6e97d60d411a2dee8964d3d05adb15
SHA1

0a2fe6ec6b6675c44998c282dbb1cd8787612faf
SHA256

8598940e498271b542f2c04998626aa680f2172d0ff4f8dbd4ffec1a196540f9
SHA512

3f7d79079c57786051a2f7facfb1046188049e831f12b549609a8f152664678ee35ad54d1fff4447428b6f76bea1c7ca88fa96aab395a560c6ec598344fcc7fa
SSDEEP

1536:FRk1rh/be3Z1bij+8xG+sQxzQF50I9VSHIecbWZOUXYOe0/zuvY:FRk/+Z1z8s+s+QrTmIecbWIA7//gY

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2876	2868	WerFault.exe	30

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2864 wrote to memory of 2868	2864	rundll32.exe	30
PID 2864 wrote to memory of 2868	2864	rundll32.exe	30
PID 2864 wrote to memory of 2868	2864	rundll32.exe	30
PID 2864 wrote to memory of 2868	2864	rundll32.exe	30
PID 2864 wrote to memory of 2868	2864	rundll32.exe	30
PID 2864 wrote to memory of 2868	2864	rundll32.exe	30
PID 2864 wrote to memory of 2868	2864	rundll32.exe	30
PID 2868 wrote to memory of 2876	2868	rundll32.exe	31
PID 2868 wrote to memory of 2876	2868	rundll32.exe	31
PID 2868 wrote to memory of 2876	2868	rundll32.exe	31
PID 2868 wrote to memory of 2876	2868	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Envio copia de la Notificacion electrnica Demanda\vcruntime140.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Envio copia de la Notificacion electrnica Demanda\vcruntime140.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 224
    3⤵
    - Program crash
    PID:2876

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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