81239bd303b28a9e6d5da5436b83853a47e2e8ad26aac557060b92854f8e054c

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 00:16

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General

Target

Envio copia de la Notificacion electrnica Demanda/msvcp140.dll
Size

427KB
MD5

ff877a5dffd764197250bd4ba28496b1
SHA1

187b8e183fc3331dd4ba139333886ad1fbf333a7
SHA256

83f935454ae8e450b6f042509ecf28cceff95edb2495c63a782b9d45c2eaf1c0
SHA512

b9245353f8a8bce6f443345daf50e135aa9d84bcce4dc5fd9279216b99bc6a1fa409292e110132ad815f303f36006610d6907e9fc778e94977beb2332481d03d
SSDEEP

12288:RvYnQwEk3eLow3WEfQ+yggQWvHzDvKhOKjDhUgiW6QR7t5s03Ooc8dHkC2esqg:9YnQwELow3WSyLQWvHzLKhOKQ03Ooc8a

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2200	2772	WerFault.exe	31

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 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2652 wrote to memory of 2772	2652	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	32
PID 2772 wrote to memory of 2200	2772	rundll32.exe	32
PID 2772 wrote to memory of 2200	2772	rundll32.exe	32
PID 2772 wrote to memory of 2200	2772	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Envio copia de la Notificacion electrnica Demanda\msvcp140.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Envio copia de la Notificacion electrnica Demanda\msvcp140.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 220
    3⤵
    - Program crash
    PID:2200

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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