Overview
overview
7Static
static
5613e2610f5...7N.exe
windows7-x64
7613e2610f5...7N.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3kuaibo.exe
windows7-x64
7kuaibo.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3Codecs/CoreAVC.dll
windows7-x64
5Codecs/CoreAVC.dll
windows10-2004-x64
5Codecs/FLV...er.dll
windows7-x64
3Codecs/FLV...er.dll
windows10-2004-x64
3Codecs/MP4...er.dll
windows7-x64
3Codecs/MP4...er.dll
windows10-2004-x64
3Codecs/Mat...er.dll
windows7-x64
3Codecs/Mat...er.dll
windows10-2004-x64
3Codecs/Mpa...er.dll
windows7-x64
3Codecs/Mpa...er.dll
windows10-2004-x64
3Codecs/QMV...er.dll
windows7-x64
3Codecs/QMV...er.dll
windows10-2004-x64
3Codecs/Qmv...er.dll
windows7-x64
3Codecs/Qmv...er.dll
windows10-2004-x64
3Codecs/Qvo...ec.dll
windows7-x64
3Codecs/Qvo...ec.dll
windows10-2004-x64
3Codecs/QvodSound.dll
windows7-x64
3Codecs/QvodSound.dll
windows10-2004-x64
3Codecs/QvodSource.dll
windows7-x64
3Codecs/QvodSource.dll
windows10-2004-x64
3Analysis
-
max time kernel
16s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
12-11-2024 23:39
Behavioral task
behavioral1
Sample
613e2610f5d51ecd11ee5ff5d1ed32b331af678e4e5e64f2b2a544787a97cea7N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
613e2610f5d51ecd11ee5ff5d1ed32b331af678e4e5e64f2b2a544787a97cea7N.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsTools.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsTools.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
kuaibo.exe
Resource
win7-20241023-en
Behavioral task
behavioral8
Sample
kuaibo.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
Codecs/CoreAVC.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
Codecs/CoreAVC.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
Codecs/FLVSplitter.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
Codecs/FLVSplitter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
Codecs/MP4Splitter.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
Codecs/MP4Splitter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
Codecs/MatroskaSplitter.dll
Resource
win7-20241023-en
Behavioral task
behavioral20
Sample
Codecs/MatroskaSplitter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
Codecs/MpaSplitter.dll
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
Codecs/MpaSplitter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
Codecs/QMVSplitterFilter.dll
Resource
win7-20241010-en
Behavioral task
behavioral24
Sample
Codecs/QMVSplitterFilter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral25
Sample
Codecs/QmvbSplitter.dll
Resource
win7-20240708-en
Behavioral task
behavioral26
Sample
Codecs/QmvbSplitter.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral27
Sample
Codecs/QvodMpeg2Dec.dll
Resource
win7-20240903-en
Behavioral task
behavioral28
Sample
Codecs/QvodMpeg2Dec.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral29
Sample
Codecs/QvodSound.dll
Resource
win7-20240903-en
Behavioral task
behavioral30
Sample
Codecs/QvodSound.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral31
Sample
Codecs/QvodSource.dll
Resource
win7-20240729-en
Behavioral task
behavioral32
Sample
Codecs/QvodSource.dll
Resource
win10v2004-20241007-en
General
-
Target
Codecs/QvodSource.dll
-
Size
211KB
-
MD5
6d9ccaea509d807a29a9b3b313c752b6
-
SHA1
e6a218014e60b7992f1a4550266d37708c60b2c0
-
SHA256
651a0d47fa34b39ee3d9b244f42abeb801cb04bcbdd5cfd5ba75d0779bf644fb
-
SHA512
b2fbe4f3a5da0c87f17176d00d4fafafb7b4e5166b2ea9ec8a4d5a3cfdeeebaf249523c35d841d1a45baf4c7da2b538401163e45ae44e5c1756dd5f792897020
-
SSDEEP
3072:BlG1cWiu85YTk+iny+3yXcQJnaRYZ9lWuAztKN8IwkeJYlOrcxkWB+lRJWaxA5s0:fu85YGyQERaRuWL+8aeJYTWRJWQC
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Modifies registry class 14 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{71766473-3BBA-4821-B18B-21BB496F80F8} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71766473-3BBA-4821-B18B-21BB496F80F8} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71766473-3BBA-4821-B18B-21BB496F80F8}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71766473-3BBA-4821-B18B-21BB496F80F8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\QvodSource.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71766473-3BBA-4821-B18B-21BB496F80F8}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71737074-3BBA-4821-B18B-21BB496F80F8} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71737074-3BBA-4821-B18B-21BB496F80F8}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71766473-3BBA-4821-B18B-21BB496F80F8}\ = "Qvod Source Filter" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71737074-3BBA-4821-B18B-21BB496F80F8}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71737074-3BBA-4821-B18B-21BB496F80F8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Codecs\\QvodSource.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{71766473-3BBA-4821-B18B-21BB496F80F8}\CLSID = "{71766473-3BBA-4821-B18B-21BB496F80F8}" regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{71766473-3BBA-4821-B18B-21BB496F80F8}\FilterData = 020000000000400001000000000000003070693308000000000000000100000000000000000000003074793300000000380000004800000083eb36e44f52ce119f530020af0ba77000000000000000000000000000000000 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71737074-3BBA-4821-B18B-21BB496F80F8}\ = "Qvod Source Property Page" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{71766473-3BBA-4821-B18B-21BB496F80F8}\FriendlyName = "Qvod Source Filter" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2172 wrote to memory of 1936 2172 regsvr32.exe 29 PID 2172 wrote to memory of 1936 2172 regsvr32.exe 29 PID 2172 wrote to memory of 1936 2172 regsvr32.exe 29 PID 2172 wrote to memory of 1936 2172 regsvr32.exe 29 PID 2172 wrote to memory of 1936 2172 regsvr32.exe 29 PID 2172 wrote to memory of 1936 2172 regsvr32.exe 29 PID 2172 wrote to memory of 1936 2172 regsvr32.exe 29
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\Codecs\QvodSource.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\Codecs\QvodSource.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1936
-