dc8671f4937017d9342ce254a68de49d599e8ed74560ee150c3f1e27e2544db9

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-11-2024 18:46

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General

Target

NOTIFICACIÓN ELECTRÓNICA ESM AGRADECEMOS CONFIRMAR RECIBIDO/coolcore49.dll
Size

764KB
MD5

4f27d1bacaf09d1919484355b341c868
SHA1

f1be78d484235270a1416c6acb20e2915ae050db
SHA256

12cddd3c62ff777f1738226fe0b4b36c8170e5e1c0c47fb5913f1a780dc5f450
SHA512

328277fe18d2bbc11160d0c239c90e94d2689b8dbefb6fe46febb730fbcc6e18ced429f839d7a81d8e1b42fe4c1cb4afaaa5745353daf271ac21984f5c67aced
SSDEEP

12288:Ru6SIFGSvPRLixnF6XXwE24ms0JmH/Iu+OQq7iRotw3xIuZ4lzTOj31RBn3dN+1g:yohvPRLixnF6nYW0JmfIu+OQxRotw3xb

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1804	2204	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

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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2204	2088	rundll32.exe	31
PID 2088 wrote to memory of 2204	2088	rundll32.exe	31
PID 2088 wrote to memory of 2204	2088	rundll32.exe	31
PID 2088 wrote to memory of 2204	2088	rundll32.exe	31
PID 2088 wrote to memory of 2204	2088	rundll32.exe	31
PID 2088 wrote to memory of 2204	2088	rundll32.exe	31
PID 2088 wrote to memory of 2204	2088	rundll32.exe	31
PID 2204 wrote to memory of 1804	2204	rundll32.exe	32
PID 2204 wrote to memory of 1804	2204	rundll32.exe	32
PID 2204 wrote to memory of 1804	2204	rundll32.exe	32
PID 2204 wrote to memory of 1804	2204	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNICA ESM AGRADECEMOS CONFIRMAR RECIBIDO\coolcore49.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNICA ESM AGRADECEMOS CONFIRMAR RECIBIDO\coolcore49.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 228
    3⤵
    - Program crash
    PID:1804

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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