895a6ce7d66afb48d0347e8597c191d19514ed8f6c698555c8e0994a44c847a5

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 18:27

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General

Target

x86/mfH265Enc.dll
Size

973KB
MD5

2fcadec5949b8960adc0c4d7f544edb8
SHA1

4bba25268ac0f67a9fc23554d0e2284f239df66b
SHA256

b7d6d277a1883cac93075e0d8ef1045a84d350234fb4da29b6bf074a5ddb2a55
SHA512

7db871b53336b9da53bfdc5c3a3744932b1ad9f572e38d97d760c591b7d6dfaaef75bcd5611e1bc7ab07fea548ee0200f3709bea93be4af8feef7b01f6dda56a
SSDEEP

24576:9X11gjX/QVpl7gG8geREGQihZ41GvQiAKhr0Iem+aJy4uEfW4gJtIV1boMssjJyJ:9F1gjXa7gG8geREYAg76m+azu4WjJtIW

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
556	2604	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2604	1932	rundll32.exe	82
PID 1932 wrote to memory of 2604	1932	rundll32.exe	82
PID 1932 wrote to memory of 2604	1932	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86\mfH265Enc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86\mfH265Enc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 600
    3⤵
    - Program crash
    PID:556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2604 -ip 2604
1⤵
PID:4440

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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