Overview
overview
7Static
static
7DesktopSpr...2K.exe
windows7-x64
7DesktopSpr...2K.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3CheckUpdate.exe
windows7-x64
7CheckUpdate.exe
windows10-2004-x64
7DesktopSprite.exe
windows7-x64
7DesktopSprite.exe
windows10-2004-x64
7GdiPlus.dll
windows7-x64
3GdiPlus.dll
windows10-2004-x64
3Res/Note/d...oad.js
windows7-x64
1Res/Note/d...oad.js
windows10-2004-x64
1mycaca.exe
windows7-x64
1mycaca.exe
windows10-2004-x64
1$PROGRAM_F...rX.dll
windows7-x64
7$PROGRAM_F...rX.dll
windows10-2004-x64
7$PROGRAM_F...ce.exe
windows7-x64
1$PROGRAM_F...ce.exe
windows10-2004-x64
1skins/�...oad.js
windows7-x64
1skins/�...oad.js
windows10-2004-x64
1skins/�...gka.js
windows7-x64
1skins/�...gka.js
windows10-2004-x64
1skins/�...gka.js
windows7-x64
1skins/�...gka.js
windows10-2004-x64
1skins/�...gka.js
windows7-x64
1skins/�...gka.js
windows10-2004-x64
1skins/�...Set.js
windows7-x64
1skins/�...Set.js
windows10-2004-x64
1uninst.exe
windows7-x64
7uninst.exe
windows10-2004-x64
7Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
16/03/2024, 11:34
Behavioral task
behavioral1
Sample
DesktopSpriteV4.1_2K.exe
Resource
win7-20240220-en
windows7-x64
Behavioral task
behavioral2
Sample
DesktopSpriteV4.1_2K.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral6
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
CheckUpdate.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral8
Sample
CheckUpdate.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
DesktopSprite.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral10
Sample
DesktopSprite.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
GdiPlus.dll
Resource
win7-20240215-en
windows7-x64
Behavioral task
behavioral12
Sample
GdiPlus.dll
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
Res/Note/default/OnLoad.js
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral14
Sample
Res/Note/default/OnLoad.js
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
mycaca.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral16
Sample
mycaca.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral17
Sample
$PROGRAM_FILES/Baidu/Toolbar/BaiduBarX_Tmp/BaiduBarX.dll
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral18
Sample
$PROGRAM_FILES/Baidu/Toolbar/BaiduBarX_Tmp/BaiduBarX.dll
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral19
Sample
$PROGRAM_FILES/Baidu/Toolbar/BaiduBarX_Tmp/BaiduService.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral20
Sample
$PROGRAM_FILES/Baidu/Toolbar/BaiduBarX_Tmp/BaiduService.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral21
Sample
skins/ǩ/Onload.js
Resource
win7-20240220-en
windows7-x64
Behavioral task
behavioral22
Sample
skins/ǩ/Onload.js
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral23
Sample
skins/ʱ/ľʱ/OnSettingka.js
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral24
Sample
skins/ʱ/ľʱ/OnSettingka.js
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral25
Sample
skins/ʱ/ʱ/OnSettingka.js
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral26
Sample
skins/ʱ/ʱ/OnSettingka.js
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral27
Sample
skins/ʱ/Զ嵹ʱ/OnSettingka.js
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral28
Sample
skins/ʱ/Զ嵹ʱ/OnSettingka.js
Resource
win10v2004-20231215-en
windows10-2004-x64
Behavioral task
behavioral29
Sample
skins///OnSet.js
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral30
Sample
skins///OnSet.js
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral31
Sample
uninst.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral32
Sample
uninst.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
General
-
Target
$PROGRAM_FILES/Baidu/Toolbar/BaiduBarX_Tmp/BaiduBarX.dll
-
Size
2.5MB
-
MD5
cb1132c968e9d4a24da771898fcf0eb7
-
SHA1
bf1ca78a957188d505b5d2a3fe8db783a288f633
-
SHA256
3e6cce5b9fe0f66885d10e4a1f3f7ce7cd751f832cb50975252d60ffe95f266f
-
SHA512
cd917d60b453c702a1be7aef4e2f9852332965be5a0f0c85fcf83192e6434f9ee9c612bc0d92101e11d4ac513b73334852fb630850f6788a21dac0327823913d
-
SSDEEP
49152:L+oBkJlCkfUp/VF2tePHKH9sM0ibYXX1Dq:LZ6xfU5VF20OKC
Malware Config
Signatures
-
Loads dropped DLL 2 IoCs
pid Process 3828 regsvr32.exe 3828 regsvr32.exe -
Installs/modifies Browser Helper Object 2 TTPs 3 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\{77FEF28E-EB96-44FF-B511-3185DEA48697} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{77FEF28E-EB96-44FF-B511-3185DEA48697}\NoExplorer = "1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{77FEF28E-EB96-44FF-B511-3185DEA48697}\id = "bdbar" regsvr32.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 regsvr32.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files (x86)\Baidu\Toolbar\IMG\webim_on.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\11.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\9.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\fankui.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\resize.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\webim_off.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\xiongzhang.bmp regsvr32.exe File opened for modification C:\Program Files (x86)\Baidu\Toolbar\BaiduBarX.dll regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\17.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\ditu.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\8.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\MediaSave2.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\yingpan.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\BaiduService.exe regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\film.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\Kongjian.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\lianmeng.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\7.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\fengyun_high.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\image.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\config\face.xml regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\12.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\19.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\6.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\fangdajing.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\PageFind.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\39.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\5.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\logo.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\soucang.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\27.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\29.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\37.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\def.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\dengchu.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\fengyun.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\gechi.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\HighLight.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\MediaSave1.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\1.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\32.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\denglu.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\3.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\38.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\flashbar.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\31.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\xinwen.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\14.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\18.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\23.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\20.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\youyi.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\at.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\xiezai.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\zhidao.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\2.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\24.ico regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\down.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\logobtn.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\medal.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\music.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\shezhi.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\IMG\xiezai.bmp regsvr32.exe File created C:\Program Files (x86)\Baidu\Toolbar\BaiduBarX.dll regsvr32.exe -
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Toolbar regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar\{B580CF65-E151-49C3-B73F-70B13FCA8E86} = 12 regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{77FEF28E-EB96-44FF-B511-3185DEA48697}\InprocServer32\ThreadingModel = "both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C78B9769-51FF-4E6C-BCB7-5DB8DB5E84E3}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B80B8410-85E5-46B9-B1BF-AC20CE5C8BF3}\TypeLib\ = "{D12F94FA-FC9A-41F7-B808-7FBB419DD7A6}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{741F4144-2899-4B31-A8CC-2A0EFD9EAA51}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A7F05EE4-0426-454F-8013-C41E3596E9E9}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B84B71A0-EBB8-4D1D-ADCF-B6355DEA8AEA}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC73DF84-D242-41EF-B9CF-E99A8A4B17AD}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC73DF84-D242-41EF-B9CF-E99A8A4B17AD}\TypeLib\ = "{D12F94FA-FC9A-41F7-B808-7FBB419DD7A6}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D158174C-004B-4A2E-9410-5442C10C60D2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9ADA3D8A-7238-4AA2-B342-28BE3A278EA0}\ = "IAdBlockStatusChange" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B580CF65-E151-49C3-B73F-70B13FCA8E86}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{05D8DF21-D546-4434-A289-DFADDB94AB19}\ = "_ISiteEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{942D9E02-8384-452E-AC65-BF9BF50DA254}\ = "IAdFilter" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{61DAABB3-4458-416F-8BBD-0E35A2ADC079}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC73DF84-D242-41EF-B9CF-E99A8A4B17AD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9ADA3D8A-7238-4AA2-B342-28BE3A278EA0}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F5807D19-DB8C-41A1-963C-F7EB97D51EF7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B580CF65-E151-49C3-B73F-70B13FCA8E86}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D12F94FA-FC9A-41F7-B808-7FBB419DD7A6}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E413A618-B6B3-42DA-AB8C-3740304BF0F2}\ = "IURLData" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B602A534-B878-463A-9DD9-0B76FF3233BD}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{75595D2A-A5AB-4480-BDD6-1157E4BAEE31} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{75595D2A-A5AB-4480-BDD6-1157E4BAEE31}\ProxyStubClsid32 regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B580CF65-E151-49C3-B73F-70B13FCA8E86} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC73DF84-D242-41EF-B9CF-E99A8A4B17AD} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7EF05EFF-0E62-4040-8D81-73A10D8DE60F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3050DFA4-790F-4620-9151-426389B6EBE4}\ = "IClearSearchHist" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BaiduBarX.ToolBand.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{942D9E02-8384-452E-AC65-BF9BF50DA254}\TypeLib\ = "{D12F94FA-FC9A-41F7-B808-7FBB419DD7A6}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3B197B06-06C2-4065-BA7F-648BE27FAE4C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F5807D19-DB8C-41A1-963C-F7EB97D51EF7}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9ADA3D8A-7238-4AA2-B342-28BE3A278EA0} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3299E5D3-9E45-4D79-88BE-1853D16F78CF}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C78B9769-51FF-4E6C-BCB7-5DB8DB5E84E3}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8261D28B-1D3A-4E72-90FD-E1FDB9BADBFB}\ = "IHookAddress" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B602A534-B878-463A-9DD9-0B76FF3233BD}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A7F05EE4-0426-454F-8013-C41E3596E9E9}\VersionIndependentProgID\ = "BaiduBar.Tool" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B80B8410-85E5-46B9-B1BF-AC20CE5C8BF3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3050DFA4-790F-4620-9151-426389B6EBE4}\ = "IClearSearchHist" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BaiduBarX.ToolBand\CLSID\ = "{B580CF65-E151-49C3-B73F-70B13FCA8E86}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4D4DE006-D38C-4D86-8383-A25304D006E7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9ADA3D8A-7238-4AA2-B342-28BE3A278EA0}\ = "IAdBlockStatusChange" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C3DF940C-B88A-4866-BC6D-4419D048A68B}\TypeLib\ = "{D12F94FA-FC9A-41F7-B808-7FBB419DD7A6}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{741F4144-2899-4B31-A8CC-2A0EFD9EAA51}\TypeLib\ = "{D12F94FA-FC9A-41F7-B808-7FBB419DD7A6}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BaiduBarX.BandIE.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E413A618-B6B3-42DA-AB8C-3740304BF0F2}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5910207E-EE57-47B4-B68C-1D07E569C6AC}\ = "ISpaceMenu" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{75595D2A-A5AB-4480-BDD6-1157E4BAEE31}\TypeLib\ = "{D12F94FA-FC9A-41F7-B808-7FBB419DD7A6}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{942D9E02-8384-452E-AC65-BF9BF50DA254}\TypeLib\ = "{D12F94FA-FC9A-41F7-B808-7FBB419DD7A6}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{29880C3B-F5D4-4018-B1C3-390D705663AE}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{77FEF28E-EB96-44FF-B511-3185DEA48697}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{52CE55D8-C53C-427D-8F67-C402E4249CD8}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D158174C-004B-4A2E-9410-5442C10C60D2}\ = "IBandIE" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BaiduBarX.BandIE.1\CLSID\ = "{77FEF28E-EB96-44FF-B511-3185DEA48697}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BaiduBarX.BandIE\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{77FEF28E-EB96-44FF-B511-3185DEA48697}\VersionIndependentProgID\ = "BaiduBarX.BandIE" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5D5D4A1-17F0-41D7-B1C6-0979F91E6F46}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{942D9E02-8384-452E-AC65-BF9BF50DA254}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FC73DF84-D242-41EF-B9CF-E99A8A4B17AD}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D158174C-004B-4A2E-9410-5442C10C60D2} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7D9BFC8A-3B7D-4352-8C22-CF7A5B09B206}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BaiduBar.Tool\ = "°Ù¶È¹¤¾ßÀ¸¸¨Öú¶ÔÏó" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4C2BFEC9-F03C-4F74-932E-5723E603B4AC}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BaiduBarX.BandIE\CLSID regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1768 wrote to memory of 3828 1768 regsvr32.exe 88 PID 1768 wrote to memory of 3828 1768 regsvr32.exe 88 PID 1768 wrote to memory of 3828 1768 regsvr32.exe 88
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES\Baidu\Toolbar\BaiduBarX_Tmp\BaiduBarX.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES\Baidu\Toolbar\BaiduBarX_Tmp\BaiduBarX.dll2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
PID:3828
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
2.5MB
MD5cb1132c968e9d4a24da771898fcf0eb7
SHA1bf1ca78a957188d505b5d2a3fe8db783a288f633
SHA2563e6cce5b9fe0f66885d10e4a1f3f7ce7cd751f832cb50975252d60ffe95f266f
SHA512cd917d60b453c702a1be7aef4e2f9852332965be5a0f0c85fcf83192e6434f9ee9c612bc0d92101e11d4ac513b73334852fb630850f6788a21dac0327823913d