613e2610f5d51ecd11ee5ff5d1ed32b331af678e4e5e64f2b2a544787a97cea7

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2024 23:39

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General

Target

Codecs/QmvbSplitter.dll
Size

535KB
MD5

ae96cb8655c71e1a0004c0b45780d8ae
SHA1

9d6ada7de4cdf22d2122d1d6649a54a72599f2ac
SHA256

422c05e56e2bd70d6d8935df9bf201490045a4d0081fb52688e031370febfeff
SHA512

3c96d196c2ed4b28618bb2d814dbcaf1333b3222424d0372c5d7e5f325aac0a9d7dc4d92e1c09ba2e6085f9e43ba98bfd741f033d5e983fdbba4b3385d0df698
SSDEEP

12288:ZO1hj3Vhngc85GHoJnhrtZIc30ZSTr50BMtD:ZKjgc8ikic30oTr50BM9

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 21 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B41543B-F6EE-4B91-93B9-3ECA9FF062ED}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\QmvbSplitter.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{136A16D3-63E9-4DC6-AC14-AC8E6E7C7608}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{2B41543B-F6EE-4B91-93B9-3ECA9FF062ED}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}\{C409FAF9-0469-44C2-90CA-0C19EA6DB7E2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{136A16D3-63E9-4DC6-AC14-AC8E6E7C7608}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{136A16D3-63E9-4DC6-AC14-AC8E6E7C7608}\ = "Qvod Qmvb Splitter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B41543B-F6EE-4B91-93B9-3ECA9FF062ED}\ = "Qvod Qmvb Source"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B41543B-F6EE-4B91-93B9-3ECA9FF062ED}\InprocServer32	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{136A16D3-63E9-4DC6-AC14-AC8E6E7C7608}\FilterData = 02000000000060000200000000000000307069330000000000000000020000000000000000000000307479330000000060000000700000003174793300000000600000008000000031706933080000000000000000000000000000000000000083eb36e44f52ce119f530020af0ba770f9fa09c46904c24490ca0c19ea6db7e200000000000000000000000000000000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}\{C409FAF9-0469-44C2-90CA-0C19EA6DB7E2}\Source Filter = "{2B41543B-F6EE-4B91-93B9-3ECA9FF062ED}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{136A16D3-63E9-4DC6-AC14-AC8E6E7C7608}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B41543B-F6EE-4B91-93B9-3ECA9FF062ED}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B41543B-F6EE-4B91-93B9-3ECA9FF062ED}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{136A16D3-63E9-4DC6-AC14-AC8E6E7C7608}\FriendlyName = "Qvod Qmvb Splitter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{2B41543B-F6EE-4B91-93B9-3ECA9FF062ED}\FriendlyName = "Qvod Qmvb Source"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{2B41543B-F6EE-4B91-93B9-3ECA9FF062ED}\FilterData = 02000000000060000000000000000000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Media Type\{E436EB83-524F-11CE-9F53-0020AF0BA770}\{C409FAF9-0469-44C2-90CA-0C19EA6DB7E2}\0 = "0,4,,1B514D56"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{136A16D3-63E9-4DC6-AC14-AC8E6E7C7608}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\QmvbSplitter.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{136A16D3-63E9-4DC6-AC14-AC8E6E7C7608}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{136A16D3-63E9-4DC6-AC14-AC8E6E7C7608}\CLSID = "{136A16D3-63E9-4DC6-AC14-AC8E6E7C7608}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{2B41543B-F6EE-4B91-93B9-3ECA9FF062ED}\CLSID = "{2B41543B-F6EE-4B91-93B9-3ECA9FF062ED}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 1608	2388	regsvr32.exe	84
PID 2388 wrote to memory of 1608	2388	regsvr32.exe	84
PID 2388 wrote to memory of 1608	2388	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Codecs\QmvbSplitter.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Codecs\QmvbSplitter.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1608

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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