531b3a14dc03e271b2c9c691e80bbc8ea9f72e46a078796591fefc99cd5e5a4c

Analysis

max time kernel
91s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 04:38

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General

Target
9ac576d3e56722f891638128449d45ae.dll
Size 367KB
Sample240214-e9v39ahc31
SHA256 531b3a14dc03e271b2c9c691e80bbc8ea9f72e46a078796591fefc99cd5e5a4c
MD5 9ac576d3e56722f891638128449d45ae
SHA1 2cf8a0a35a81bd709894df99d2db5eba18dca5b3
SHA512 4eda2c43a94a49b299835408105e43a01b4f4d61866d0f7d665f3a1d79c954adb35fbdb5eba777092030003cbf99653ceb1cd8efaf55813b0783ce4f4bedb11b
SSDEEP 6144:Teqpd+j5rqQiuTayhObm9u98FsqdTBKKP2NZ/KBTA/:Rn+NqQ1mygbm9u9kssKKlBTA
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8DA6920B-4ABE-466F-A2B7-221073007F56}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8DA6920B-4ABE-466F-A2B7-221073007F56}\ = "xiylibP"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8DA6920B-4ABE-466F-A2B7-221073007F56}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5004EBAB-C239-46B4-B018-A8910002F674}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5004EBAB-C239-46B4-B018-A8910002F674}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ABD70A82-22F7-4959-8058-4485298CAE3C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABD70A82-22F7-4959-8058-4485298CAE3C}\ = "PSFactoryBuffer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}\ProxyStubClsid32\ = "{ABD70A82-22F7-4959-8058-4485298CAE3C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\xiylib.DLL\AppID = "{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DA6920B-4ABE-466F-A2B7-221073007F56}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DA6920B-4ABE-466F-A2B7-221073007F56}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DA6920B-4ABE-466F-A2B7-221073007F56}\TypeLib\ = "{5004EBAB-C239-46B4-B018-A8910002F674}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C63EA0D2-8500-4A07-BFE5-CA3517FFE8A2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C63EA0D2-8500-4A07-BFE5-CA3517FFE8A2}\TypeLib\ = "{5004EBAB-C239-46B4-B018-A8910002F674}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DA6920B-4ABE-466F-A2B7-221073007F56}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ABD70A82-22F7-4959-8058-4485298CAE3C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C63EA0D2-8500-4A07-BFE5-CA3517FFE8A2}\TypeLib	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1408E208-2AC1-42D3-9F10-78A5B36E05AC}\{070E2C5C-40D8-4A0A-9F39-9C642B5662DA} = 7800690079006c00690062002e0064006c006c00	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DA6920B-4ABE-466F-A2B7-221073007F56}\ = "Crypted Data Helper Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\xiylib.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ABD70A82-22F7-4959-8058-4485298CAE3C}\TypeLib\ = "{5004EBAB-C239-46B4-B018-A8910002F674}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C63EA0D2-8500-4A07-BFE5-CA3517FFE8A2}\ProgID\ = "xiylib.BClass.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DA6920B-4ABE-466F-A2B7-221073007F56}\AppID = "{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}\TypeLib\ = "{5004EBAB-C239-46B4-B018-A8910002F674}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ABD70A82-22F7-4959-8058-4485298CAE3C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ABD70A82-22F7-4959-8058-4485298CAE3C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C63EA0D2-8500-4A07-BFE5-CA3517FFE8A2}\ = "JetMimeFiltr Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DA6920B-4ABE-466F-A2B7-221073007F56}\ProgID\ = "xiylib.AClass.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DA6920B-4ABE-466F-A2B7-221073007F56}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}\NumMethods\ = "7"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\ = "xiylibA Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABD70A82-22F7-4959-8058-4485298CAE3C}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DA6920B-4ABE-466F-A2B7-221073007F56}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ABD70A82-22F7-4959-8058-4485298CAE3C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5004EBAB-C239-46B4-B018-A8910002F674}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DA6920B-4ABE-466F-A2B7-221073007F56}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ABD70A82-22F7-4959-8058-4485298CAE3C}\ProxyStubClsid32\ = "{ABD70A82-22F7-4959-8058-4485298CAE3C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1\ = "xiylibB Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C63EA0D2-8500-4A07-BFE5-CA3517FFE8A2}\VersionIndependentProgID\ = "xiylib.BClass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C63EA0D2-8500-4A07-BFE5-CA3517FFE8A2}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5004EBAB-C239-46B4-B018-A8910002F674}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ABD70A82-22F7-4959-8058-4485298CAE3C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C63EA0D2-8500-4A07-BFE5-CA3517FFE8A2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C63EA0D2-8500-4A07-BFE5-CA3517FFE8A2}\AppID = "{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}\ = "IJetVideoPlugin"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{96E9CAE9-7BB7-4E82-96B4-609A59862D3A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CurVer\ = "Lexlibplugin.LexlibMimeFiltr.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C63EA0D2-8500-4A07-BFE5-CA3517FFE8A2}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1\ = "xiylibA Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DA6920B-4ABE-466F-A2B7-221073007F56}\VersionIndependentProgID\ = "xiylib.AClass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ABD70A82-22F7-4959-8058-4485298CAE3C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\ = "xiylibB Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C63EA0D2-8500-4A07-BFE5-CA3517FFE8A2}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 2776	4040	regsvr32.exe	85
PID 4040 wrote to memory of 2776	4040	regsvr32.exe	85
PID 4040 wrote to memory of 2776	4040	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9ac576d3e56722f891638128449d45ae.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9ac576d3e56722f891638128449d45ae.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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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