895a6ce7d66afb48d0347e8597c191d19514ed8f6c698555c8e0994a44c847a5

Analysis

max time kernel
95s
max time network
102s
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

2509592e7a9a169217c6d6b2f9338878
SHA1

563f7d318cd9abffa6f08ed89bd36625703201af
SHA256

5b78bb06a5994ba4a8b16a17f1976cf74dac6e1f3e774c36bb43c3aaa3edc1dd
SHA512

5d83ca1eec8a6a54fb00db622ac38137e863507888ab9bf0573b10344fc40eb0a099c84328a6e37ff738970d67cc724aca027ffb5e12af35121f89b0d26f45a4
SSDEEP

24576:eQ11gjX/QVpl7gG8geREGQihZ41GvQiAKhr0Iem+aJy4uEfW4gJtIV1boMssnJ7Q:eK1gjXa7gG8geREYAg76m+azu4WjJtIY

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3744	4392	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 4888 wrote to memory of 4392	4888	rundll32.exe	82
PID 4888 wrote to memory of 4392	4888	rundll32.exe	82
PID 4888 wrote to memory of 4392	4888	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:4888
- 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:4392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 600
    3⤵
    - Program crash
    PID:3744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4392 -ip 4392
1⤵
PID:552

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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