Overview
overview
7Static
static
3bandicam-1-6-en.exe
windows7-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$TEMP/BDMP...UP.exe
windows7-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$SYSDIR/bdmjpeg.dll
windows7-x64
1$SYSDIR/bdmjpeg64.dll
windows7-x64
1$SYSDIR/bdmpega.dll
windows7-x64
1$SYSDIR/bdmpega64.dll
windows7-x64
1$SYSDIR/bdmpegv.dll
windows7-x64
1$SYSDIR/bdmpegv64.dll
windows7-x64
1$TEMP/bdfilters.dll
windows7-x64
1bdfilters.dll
windows7-x64
1bdfilters64.dll
windows7-x64
7bdcam.dll
windows7-x64
1bdcam.exe
windows7-x64
1bdcam64.exe
windows7-x64
1bdcam64.dll
windows7-x64
1bdcamih.dll
windows7-x64
1bdcap32.dll
windows7-x64
1bdcap64.dll
windows7-x64
1bdfix.exe
windows7-x64
1Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-es -
resource tags
arch:x64arch:x86image:win7-20240221-eslocale:es-esos:windows7-x64systemwindows -
submitted
22/02/2024, 20:50
Static task
static1
Behavioral task
behavioral1
Sample
bandicam-1-6-en.exe
Resource
win7-20240220-es
Behavioral task
behavioral2
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240221-es
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240221-es
Behavioral task
behavioral4
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240215-es
Behavioral task
behavioral5
Sample
$TEMP/BDMPEG1SETUP.exe
Resource
win7-20240221-es
Behavioral task
behavioral6
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240221-es
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-es
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240220-es
Behavioral task
behavioral9
Sample
$SYSDIR/bdmjpeg.dll
Resource
win7-20240221-es
Behavioral task
behavioral10
Sample
$SYSDIR/bdmjpeg64.dll
Resource
win7-20240221-es
Behavioral task
behavioral11
Sample
$SYSDIR/bdmpega.dll
Resource
win7-20240221-es
Behavioral task
behavioral12
Sample
$SYSDIR/bdmpega64.dll
Resource
win7-20240221-es
Behavioral task
behavioral13
Sample
$SYSDIR/bdmpegv.dll
Resource
win7-20240221-es
Behavioral task
behavioral14
Sample
$SYSDIR/bdmpegv64.dll
Resource
win7-20240220-es
Behavioral task
behavioral15
Sample
$TEMP/bdfilters.dll
Resource
win7-20240221-es
Behavioral task
behavioral16
Sample
bdfilters.dll
Resource
win7-20240221-es
Behavioral task
behavioral17
Sample
bdfilters64.dll
Resource
win7-20240215-es
Behavioral task
behavioral18
Sample
bdcam.dll
Resource
win7-20240221-es
Behavioral task
behavioral19
Sample
bdcam.exe
Resource
win7-20240221-es
Behavioral task
behavioral20
Sample
bdcam64.exe
Resource
win7-20240221-es
Behavioral task
behavioral21
Sample
bdcam64.dll
Resource
win7-20240221-es
Behavioral task
behavioral22
Sample
bdcamih.dll
Resource
win7-20240221-es
Behavioral task
behavioral23
Sample
bdcap32.dll
Resource
win7-20240221-es
Behavioral task
behavioral24
Sample
bdcap64.dll
Resource
win7-20240221-es
Behavioral task
behavioral25
Sample
bdfix.exe
Resource
win7-20240221-es
General
-
Target
$TEMP/bdfilters.dll
-
Size
3.1MB
-
MD5
ce7771d46984248bdda017f5c6f608f7
-
SHA1
1dc0f86c9b4752463b59d5070f59f99f63cc5ee5
-
SHA256
a8e95fede4a8df0bb8881d19f2d81fd87f37118c8e93004e0857cebb996f44a3
-
SHA512
b1e267f91c05544b4a02e57601e021934ba884eebfc51277cefa917383a1c1ec85ddeb3b5f927885967e46a0cb97adceae81443a6423fbbc2a598e717d279fb3
-
SSDEEP
98304:o69qYpGOg2/rPiYmjDBmmhjOF5oggxtaIrZfVvvv:oYqYpGOg2/rPiY9Evvv
Malware Config
Signatures
-
Modifies registry class 28 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89C4B786-A490-4A3E-AA70-E6A8C61D3689}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$TEMP\\bdfilters.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E2E7539A-CECF-4A6A-B187-939943ECEF05}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E2E7539A-CECF-4A6A-B187-939943ECEF05}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4F5C9E9-CFCC-4C65-A8BD-0423A338F188}\ = "Bandisoft MPEG-1 Audio Property" regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{89C4B786-A490-4A3E-AA70-E6A8C61D3689}\FilterData = 02000000010080ff02000000000000003070693300000000000000000200000000000000000000003074793300000000700000008000000031747933000000007000000090000000317069330800000000000000010000000000000000000000307479330000000070000000a00000007669647300001000800000aa00389b714d50454700001000800000aa00389b714d50473100001000800000aa00389b7100000000000000000000000000000000 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89C4B786-A490-4A3E-AA70-E6A8C61D3689} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A1C6833E-A3EC-4397-9FA9-151792F3408F}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E2E7539A-CECF-4A6A-B187-939943ECEF05} regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2E7539A-CECF-4A6A-B187-939943ECEF05}\FilterData = 02000000010080ff020000000000000030706933000000000000000001000000000000000000000030747933000000006000000070000000317069330800000000000000010000000000000000000000307479330000000060000000800000006175647300001000800000aa00389b715000000000001000800000aa00389b710100000000001000800000aa00389b71 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89C4B786-A490-4A3E-AA70-E6A8C61D3689}\ = "Bandisoft MPEG-1 Video Decoder" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A1C6833E-A3EC-4397-9FA9-151792F3408F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A1C6833E-A3EC-4397-9FA9-151792F3408F}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4F5C9E9-CFCC-4C65-A8BD-0423A338F188}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{89C4B786-A490-4A3E-AA70-E6A8C61D3689}\FriendlyName = "Bandisoft MPEG-1 Video Decoder" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89C4B786-A490-4A3E-AA70-E6A8C61D3689}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E2E7539A-CECF-4A6A-B187-939943ECEF05}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$TEMP\\bdfilters.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{89C4B786-A490-4A3E-AA70-E6A8C61D3689} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A1C6833E-A3EC-4397-9FA9-151792F3408F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$TEMP\\bdfilters.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4F5C9E9-CFCC-4C65-A8BD-0423A338F188}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2E7539A-CECF-4A6A-B187-939943ECEF05}\FriendlyName = "Bandisoft MPEG-1 Audio Decoder" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2E7539A-CECF-4A6A-B187-939943ECEF05}\CLSID = "{E2E7539A-CECF-4A6A-B187-939943ECEF05}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4F5C9E9-CFCC-4C65-A8BD-0423A338F188}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$TEMP\\bdfilters.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A1C6833E-A3EC-4397-9FA9-151792F3408F}\ = "Bandisoft MPEG-1 Video Property" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E2E7539A-CECF-4A6A-B187-939943ECEF05}\ = "Bandisoft MPEG-1 Audio Decoder" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4F5C9E9-CFCC-4C65-A8BD-0423A338F188} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{89C4B786-A490-4A3E-AA70-E6A8C61D3689}\CLSID = "{89C4B786-A490-4A3E-AA70-E6A8C61D3689}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2E7539A-CECF-4A6A-B187-939943ECEF05} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{89C4B786-A490-4A3E-AA70-E6A8C61D3689}\InprocServer32 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1988 wrote to memory of 1772 1988 regsvr32.exe 28 PID 1988 wrote to memory of 1772 1988 regsvr32.exe 28 PID 1988 wrote to memory of 1772 1988 regsvr32.exe 28 PID 1988 wrote to memory of 1772 1988 regsvr32.exe 28 PID 1988 wrote to memory of 1772 1988 regsvr32.exe 28 PID 1988 wrote to memory of 1772 1988 regsvr32.exe 28 PID 1988 wrote to memory of 1772 1988 regsvr32.exe 28