Overview
overview
7Static
static
7589931c4d7...7e.exe
windows7-x64
7589931c4d7...7e.exe
windows10-2004-x64
7$PLUGINSDI...ig.dll
windows7-x64
3$PLUGINSDI...ig.dll
windows10-2004-x64
3$PLUGINSDI...dl.dll
windows7-x64
3$PLUGINSDI...dl.dll
windows10-2004-x64
3$PLUGINSDI...el.dll
windows7-x64
7$PLUGINSDI...el.dll
windows10-2004-x64
7$PLUGINSDIR/UAC.dll
windows7-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3EasyOn.dll
windows7-x64
6EasyOn.dll
windows10-2004-x64
6EasyOn.exe
windows7-x64
6EasyOn.exe
windows10-2004-x64
6Analysis
-
max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
13/01/2024, 09:40
Behavioral task
behavioral1
Sample
589931c4d74309263a68e608a4c34a7e.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
589931c4d74309263a68e608a4c34a7e.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/IpConfig.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/IpConfig.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/SelfDel.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/SelfDel.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
EasyOn.dll
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
EasyOn.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
EasyOn.exe
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
EasyOn.exe
Resource
win10v2004-20231215-en
General
-
Target
EasyOn.dll
-
Size
130KB
-
MD5
4183f9464080d3aa793fcabcf275430c
-
SHA1
1f6765b478c8cd80750ea6c42fe1c568eb3e11c4
-
SHA256
f8560197277aa28a325d83e480735ac150803f350eee7b3cfa251567ad91ea5a
-
SHA512
cf21f04303519975ea0bd7fdf7dbe8d9afc7afc77729f398dabacbccae359ea2ad1d38446ef3610f5e5851319c0b82fc0791e210c8c60928598c3f1735dba5a6
-
SSDEEP
1536:c4aQcXVBfF77Z4iDaduE6xgYd1mTxlBKhMHrwMHyZLoe2rMnnPHqAUYif5abE:GVPrDaduE6xdIVlOrrZLjlnPK5YifoQ
Malware Config
Signatures
-
Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1CE681DC-1190-40EF-85A9-ADE47098CF51} regsvr32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\TabProcGrowth = "0" regsvr32.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\TabProcGrowth = "0" regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\ProgID\ = "EasyOn.BandHelper.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\TypeLib\ = "{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\ = "ISideBand" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\TypeLib\ = "{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand.1\ = "SideBand Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\ = "IBandHelper" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\ = "EasyOnHelper" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\TypeLib\ = "{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand.1\CLSID\ = "{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper\ = "BandHelper Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper\CurVer\ = "EasyOn.BandHelper.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand\CLSID\ = "{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand\CurVer\ = "EasyOn.SideBand.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\TypeLib\ = "{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}\1.0\ = "EasyOn 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\ = "IBandHelper" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\VersionIndependentProgID\ = "EasyOn.SideBand" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\EasyOn.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\Implemented Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper\CLSID\ = "{1CE681DC-1190-40EF-85A9-ADE47098CF51}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand\ = "SideBand Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper.1\ = "BandHelper Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\VersionIndependentProgID\ = "EasyOn.BandHelper" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\ = "ISideBand" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\ProxyStubClsid32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3704 wrote to memory of 4732 3704 regsvr32.exe 89 PID 3704 wrote to memory of 4732 3704 regsvr32.exe 89 PID 3704 wrote to memory of 4732 3704 regsvr32.exe 89
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\EasyOn.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3704 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\EasyOn.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:4732
-