594e1c972708c29e51489c8eb58de4d65a774af0830679f5d210b5f4a98d855e

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 19:39

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General

Target

594e1c972708c29e51489c8eb58de4d65a774af0830679f5d210b5f4a98d855e.dll
Size

292KB
MD5

85157be12f0a5edc202fc43942a89480
SHA1

65feda9d212a4718ad777b53ebe75750e7494da2
SHA256

594e1c972708c29e51489c8eb58de4d65a774af0830679f5d210b5f4a98d855e
SHA512

c4c63361b7f5492d651438b5bd3e1c3decc7f3b37c663fc194e5bd316c4ecf3242695e779c50b45c0acb5ca8d4612cbea75576b951873ef56edc5fbdd97962d4
SSDEEP

6144:rLwxo8nAQAIkJv3phtKeaOkBUxahok3VUhyFLQt:/w1nANJv53KeZkmx1k3VBJQ

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\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}\ = "kmvlibP"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}\TypeLib\ = "{69B3418B-E4A5-464B-B11E-410BBF8358AA}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{69B3418B-E4A5-464B-B11E-410BBF8358AA}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3D3A441-73DF-4529-8F77-4261D4B35E41}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3D3A441-73DF-4529-8F77-4261D4B35E41}\ProxyStubClsid32\ = "{D3D3A441-73DF-4529-8F77-4261D4B35E41}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}\ = "JetMimeFiltr Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3D3A441-73DF-4529-8F77-4261D4B35E41}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3D3A441-73DF-4529-8F77-4261D4B35E41}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F889EC74-3538-4CAA-A912-0D49B84F931D}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F889EC74-3538-4CAA-A912-0D49B84F931D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1408E208-2AC1-42D3-9F10-78A5B36E05AC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CurVer\ = "Lexlibplugin.LexlibMimeFiltr.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\594e1c972708c29e51489c8eb58de4d65a774af0830679f5d210b5f4a98d855e.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CLSID\ = "{F4CA473D-E072-4953-B99F-CF1E11F64BB2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\594e1c972708c29e51489c8eb58de4d65a774af0830679f5d210b5f4a98d855e.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{69B3418B-E4A5-464B-B11E-410BBF8358AA}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{69B3418B-E4A5-464B-B11E-410BBF8358AA}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3D3A441-73DF-4529-8F77-4261D4B35E41}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3D3A441-73DF-4529-8F77-4261D4B35E41}\TypeLib\ = "{69B3418B-E4A5-464B-B11E-410BBF8358AA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}\ProgID\ = "kmvlib.BClass.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}\AppID = "{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3D3A441-73DF-4529-8F77-4261D4B35E41}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F889EC74-3538-4CAA-A912-0D49B84F931D}\ = "IJetMimeFiltr"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D3D3A441-73DF-4529-8F77-4261D4B35E41}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\594e1c972708c29e51489c8eb58de4d65a774af0830679f5d210b5f4a98d855e.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F889EC74-3538-4CAA-A912-0D49B84F931D}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{69B3418B-E4A5-464B-B11E-410BBF8358AA}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{69B3418B-E4A5-464B-B11E-410BBF8358AA}\1.0\ = "kmvlib Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3D3A441-73DF-4529-8F77-4261D4B35E41}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F889EC74-3538-4CAA-A912-0D49B84F931D}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3D3A441-73DF-4529-8F77-4261D4B35E41}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{69B3418B-E4A5-464B-B11E-410BBF8358AA}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D3D3A441-73DF-4529-8F77-4261D4B35E41}\ = "IJetVideoPlugin"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\kmvlib.DLL\AppID = "{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin.1\ = "kmvlibA Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CurVer\ = "kmvlib.AClass.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F889EC74-3538-4CAA-A912-0D49B84F931D}\TypeLib\ = "{69B3418B-E4A5-464B-B11E-410BBF8358AA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F889EC74-3538-4CAA-A912-0D49B84F931D}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F889EC74-3538-4CAA-A912-0D49B84F931D}\NumMethods\ = "7"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}\ = "kmvlib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1\ = "kmvlibB Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\CLSID\ = "{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}\VersionIndependentProgID\ = "kmvlib.AClass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3D3A441-73DF-4529-8F77-4261D4B35E41}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr\ = "kmvlibB Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}\TypeLib\ = "{69B3418B-E4A5-464B-B11E-410BBF8358AA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1\CLSID\ = "{D45181E8-9A4C-4D17-B0B3-BE87122CF3D5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4CA473D-E072-4953-B99F-CF1E11F64BB2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B0ED4726-5BC8-4E22-A7A8-3074A73CE64E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetMimeFiltr.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\xvideoplugin.JetVideoPlugin\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{69B3418B-E4A5-464B-B11E-410BBF8358AA}\1.0\FLAGS\ = "0"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 2408	4796	regsvr32.exe	82
PID 4796 wrote to memory of 2408	4796	regsvr32.exe	82
PID 4796 wrote to memory of 2408	4796	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\594e1c972708c29e51489c8eb58de4d65a774af0830679f5d210b5f4a98d855e.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\594e1c972708c29e51489c8eb58de4d65a774af0830679f5d210b5f4a98d855e.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2408

Network

MITRE ATT&CK Enterprise v6

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

Windows 7 deprecation

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