895a6ce7d66afb48d0347e8597c191d19514ed8f6c698555c8e0994a44c847a5

Analysis

max time kernel
94s
max time network
124s
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

a0aa2f7eef6512530c07494bb1ad5d6a
SHA1

6dc9706bb21f6206db1b5489cea45335e672c5ec
SHA256

42bd89a668a8986418119cf3632fc8538ea97d87d40f9789265f4a506db386e7
SHA512

4cc4e92ea92a2eeb6d50ffa6b7ac58ca135fda1662a2aba4facdc88adb16616b89b2a2ea1d8f6d85179f33faf0a98477a617043a99c4ee0455b5cf42a906dc6e
SSDEEP

24576:jX11gjX/QVpl7gG8geREGQihZ41GvQiAKhr0Iem+aJy4uEfW4gJtIV1boMssdJtx:jF1gjXa7gG8geREYAg76m+azu4WjJtIP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4876	3144	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 1140 wrote to memory of 3144	1140	rundll32.exe	82
PID 1140 wrote to memory of 3144	1140	rundll32.exe	82
PID 1140 wrote to memory of 3144	1140	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:1140
- 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:3144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 600
    3⤵
    - Program crash
    PID:4876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3144 -ip 3144
1⤵
PID:4208

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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