bb54d934fb889f8ee44c4dfd86cec68b92a95415ad13b3068035f2ec6f381804

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/09/2024, 00:07

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General

Target

MP4转换器/codecs/CLRVIDDC.dll
Size

305KB
MD5

768cb9549b6da6a2f440c4938ceebfbc
SHA1

c86f77553face352a10ee589385815e194cbb51b
SHA256

4867b0c47c098cc212755ce64956a5c95e7a6543b3396f4fb6d6dc63dd3ecb9b
SHA512

b6b73c0a1b9fef72fb10f48a5c2a7d51506c2b140e9227280492bc61164556b12aeea6cbc15aca1c6fe7648c295834407afbb174fe03b0a574afbe33abb04bc1
SSDEEP

6144:0nhSuWW4swvDDQvZGUeaphY3N8IXm/WW9uYEvSSoQ:0nAxW4vbMvZG4Y3NJWuW9XiSS

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 1448 wrote to memory of 2704	1448	rundll32.exe	30
PID 1448 wrote to memory of 2704	1448	rundll32.exe	30
PID 1448 wrote to memory of 2704	1448	rundll32.exe	30
PID 1448 wrote to memory of 2704	1448	rundll32.exe	30
PID 1448 wrote to memory of 2704	1448	rundll32.exe	30
PID 1448 wrote to memory of 2704	1448	rundll32.exe	30
PID 1448 wrote to memory of 2704	1448	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\CLRVIDDC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\CLRVIDDC.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2704

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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