2de691adb4984c996a0de98c998dc968d80244a61415da63a54744ce434fb12d

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13-11-2024 00:10

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General

Target

Codecs/QMVSplitterFilter.dll
Size

163KB
MD5

f77ffec1aa0b30c8e06e048c14bed10b
SHA1

dddaa9da4a791bc3b5ed554abb26573742727089
SHA256

2538f0f855faf072a991b3b2665322b13326a45af9c0506eef49563c43fb3590
SHA512

1205b0d1d1c0bf33bdfe8ef32fba0387a6b866d4fe953f42714257ee99240115bf30c56401ec416b31c159a78a458428d79cda0e14a11b25dc86d0d63305ada1
SSDEEP

3072:eOEElhUPjzImhkhcvyDKRUjz4PI46bVa5EDMCmZd6:eyfUPjz7hkr54YtDMC

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	regsvr32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16832E71-9E9A-42A4-9ED5-E163CB1489CE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16832E71-9E9A-42A4-9ED5-E163CB1489CE}\ = "QMV Demux Filter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16832E71-9E9A-42A4-9ED5-E163CB1489CE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\QMVSplitterFilter.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16832E71-9E9A-42A4-9ED5-E163CB1489CE}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{16832E71-9E9A-42A4-9ED5-E163CB1489CE}	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{16832E71-9E9A-42A4-9ED5-E163CB1489CE}\FilterData = 020000000000200001000000000000003070693301000000000000000100000000000000000000003074793300000000380000004800000083eb36e44f52ce119f530020af0ba77000000000000000000000000000000000	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{16832E71-9E9A-42A4-9ED5-E163CB1489CE}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{16832E71-9E9A-42A4-9ED5-E163CB1489CE}\FriendlyName = "QMV Demux Filter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{16832E71-9E9A-42A4-9ED5-E163CB1489CE}\CLSID = "{16832E71-9E9A-42A4-9ED5-E163CB1489CE}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2876	2824	regsvr32.exe	30
PID 2824 wrote to memory of 2876	2824	regsvr32.exe	30
PID 2824 wrote to memory of 2876	2824	regsvr32.exe	30
PID 2824 wrote to memory of 2876	2824	regsvr32.exe	30
PID 2824 wrote to memory of 2876	2824	regsvr32.exe	30
PID 2824 wrote to memory of 2876	2824	regsvr32.exe	30
PID 2824 wrote to memory of 2876	2824	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Codecs\QMVSplitterFilter.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Codecs\QMVSplitterFilter.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2876

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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