dc8671f4937017d9342ce254a68de49d599e8ed74560ee150c3f1e27e2544db9

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-11-2024 18:46

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General

Target

NOTIFICACIÓN ELECTRÓNICA ESM AGRADECEMOS CONFIRMAR RECIBIDO/MKernel.dll
Size

219KB
MD5

98a71909605b7d088f82d66abc64d4c2
SHA1

1e250127851a331dd914215348ef51fff78442c9
SHA256

46410947d60a8b92869aa2cf27b57a94c710047f168ac3bc23879a8461f8686a
SHA512

efa8e407e3fbfb81da07b584b8bbd2a440074388ae3ff6175abc88614b42b53ca70206e7ada00273457fafac58d7729f1c945a9e79ce793bc48229035194b267
SSDEEP

6144:93Eu/Gz1z6cd2eEflWORcigoKBB9QgQa2l:J+Jz6cd2BlxKB0

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2716	2236	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

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 2112 wrote to memory of 2236	2112	rundll32.exe	30
PID 2112 wrote to memory of 2236	2112	rundll32.exe	30
PID 2112 wrote to memory of 2236	2112	rundll32.exe	30
PID 2112 wrote to memory of 2236	2112	rundll32.exe	30
PID 2112 wrote to memory of 2236	2112	rundll32.exe	30
PID 2112 wrote to memory of 2236	2112	rundll32.exe	30
PID 2112 wrote to memory of 2236	2112	rundll32.exe	30
PID 2236 wrote to memory of 2716	2236	rundll32.exe	31
PID 2236 wrote to memory of 2716	2236	rundll32.exe	31
PID 2236 wrote to memory of 2716	2236	rundll32.exe	31
PID 2236 wrote to memory of 2716	2236	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNICA ESM AGRADECEMOS CONFIRMAR RECIBIDO\MKernel.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\NOTIFICACIÓN ELECTRÓNICA ESM AGRADECEMOS CONFIRMAR RECIBIDO\MKernel.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 236
    3⤵
    - Program crash
    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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