bb54d934fb889f8ee44c4dfd86cec68b92a95415ad13b3068035f2ec6f381804

Analysis

max time kernel
93s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 00:07

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General

Target

MP4转换器/codecs/DECVW_32.dll
Size

86KB
MD5

56d8fc659f7a3e410edf6a4c7e40ed81
SHA1

09cdb0c85e28bbec4af6dd97b45dabdc7891549a
SHA256

b7677ede071e0bfb7d6cc97ce5a16c884eed0c0555f092aeb89ef5f932cea4c7
SHA512

ad48d6d1138685575f82669da73db0d4915149e443756f6629ffa117196d15aa9733dcfac252862e806d2507fccdc41bf3091f1d5c6dfdb5f66607986b6af0fa
SSDEEP

1536:n4MAi1QYnhQOi5evUCpfWson0dT5P8IAimBcIcrt3cTiYjGojtY9kiUwwvgr:4MAi1QYhKoUCpAw5P8IA6qhjGYm9kiau

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 3 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 3260	1188	rundll32.exe	83
PID 1188 wrote to memory of 3260	1188	rundll32.exe	83
PID 1188 wrote to memory of 3260	1188	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\DECVW_32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\DECVW_32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3260

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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