428c79ed936cc5247ec2def41ea6760b8ce6a1638b5d880390708ed3a00d00a0

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 17:08

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General

Target

widevinecdmadapter.dll
Size

242KB
MD5

a1bea100e975fb6369c49e392dee022b
SHA1

e80a6df39ef67fdc673dd95a72e807f92b5deaa9
SHA256

f8c2770a645d296a0607bc54b28fb4838bb0fdb76fbc94add6661f469e59de96
SHA512

a11586e0a789ba11788f21eaf82d2487cbfbebf7ddb10b33cef2bd630375822a28398462345eca365a852a443d998e29af0a490730877b1beaf8e604a0291b47
SSDEEP

3072:a/jgksZh1UQYXss+vjg5kLp/u3O3d+xAASXKx+ajX3nhMR30X3sAg0FujJQ4R+os:a/jg0Xsscksu3O3zRAOdvBQrAr0

Score

3^/10

discovery

Malware Config

Signatures

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 7 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2772	2760	rundll32.exe	30
PID 2760 wrote to memory of 2772	2760	rundll32.exe	30
PID 2760 wrote to memory of 2772	2760	rundll32.exe	30
PID 2760 wrote to memory of 2772	2760	rundll32.exe	30
PID 2760 wrote to memory of 2772	2760	rundll32.exe	30
PID 2760 wrote to memory of 2772	2760	rundll32.exe	30
PID 2760 wrote to memory of 2772	2760	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\widevinecdmadapter.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\widevinecdmadapter.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2772

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

Windows 7 deprecation

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