691dcf80f7c712489e4e96f345700938736fa7e5f7f274f914b0da2faf244fd0

Analysis

max time kernel
137s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20/03/2024, 23:41

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General

Target
da219bba74d2c3a8be7a2a6d03fe6339.dll
Size 285KB
Sample240320-3pg8nafc7w
SHA256 691dcf80f7c712489e4e96f345700938736fa7e5f7f274f914b0da2faf244fd0
MD5 da219bba74d2c3a8be7a2a6d03fe6339
SHA1 ea6389e17a85d4b02f950e182ec7c9b4170cdbc6
SHA512 594ef9d35371de7578a567c012365468f0212b678c953baff1289773c0e4dcd95e64b602aacc7fe828c17dc3622a12c289cccb298c9e577e6f0a49a9c339ad97
SSDEEP 6144:b/OypTYw0GL0ujVXLEhb7TBJJtgNNOC46h0:b/jwCbSb7TrJONNQg
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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{78919608-B066-4B5A-B248-38E12A783E05}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{78919608-B066-4B5A-B248-38E12A783E05}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{78919608-B066-4B5A-B248-38E12A783E05}\ = "Arcadeweb"	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerPlugin.Extension\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\TypeLib\ = "{A670E878-A272-443D-BD19-ED0A9BFD3FD8}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerPlugin.Extension.1\CLSID\ = "{78919608-B066-4B5A-B248-38E12A783E05}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A670E878-A272-443D-BD19-ED0A9BFD3FD8}\1.0\ = "ExplorerPlugin 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\ = "IExtension"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\ExplorerPlugin.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerPlugin.Extension\ = "ArcadeWeb Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\TypeLib\ = "{A670E878-A272-443D-BD19-ED0A9BFD3FD8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerPlugin.Extension\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerPlugin.Extension\CurVer\ = "ExplorerPlugin.Extension.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\ProgID\ = "ExplorerPlugin.Extension.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A670E878-A272-443D-BD19-ED0A9BFD3FD8}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A670E878-A272-443D-BD19-ED0A9BFD3FD8}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\da219bba74d2c3a8be7a2a6d03fe6339.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\ = "_IExtensionEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerPlugin.Extension	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\TypeLib\ = "{A670E878-A272-443D-BD19-ED0A9BFD3FD8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerPlugin.Extension.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A670E878-A272-443D-BD19-ED0A9BFD3FD8}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\ = "IExtension"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\ExplorerPlugin.DLL\AppID = "{94C3E25B-C973-4A17-B80D-207BD978DB23}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{94C3E25B-C973-4A17-B80D-207BD978DB23}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\da219bba74d2c3a8be7a2a6d03fe6339.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\TypeLib\ = "{A670E878-A272-443D-BD19-ED0A9BFD3FD8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A670E878-A272-443D-BD19-ED0A9BFD3FD8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A670E878-A272-443D-BD19-ED0A9BFD3FD8}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A670E878-A272-443D-BD19-ED0A9BFD3FD8}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A670E878-A272-443D-BD19-ED0A9BFD3FD8}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\ = "ArcadeWeb Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\VersionIndependentProgID\ = "ExplorerPlugin.Extension"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerPlugin.Extension.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A670E878-A272-443D-BD19-ED0A9BFD3FD8}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\ = "_IExtensionEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{94C3E25B-C973-4A17-B80D-207BD978DB23}\ = "ExplorerPlugin"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A670E878-A272-443D-BD19-ED0A9BFD3FD8}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5F280841-8023-4BE6-9A4F-184D3E79A785}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerPlugin.Extension.1\ = "ArcadeWeb Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ExplorerPlugin.Extension\CLSID\ = "{78919608-B066-4B5A-B248-38E12A783E05}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78919608-B066-4B5A-B248-38E12A783E05}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B69460A1-2DBB-4980-8F30-44231D69AEFA}\TypeLib\ = "{A670E878-A272-443D-BD19-ED0A9BFD3FD8}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 3972	2768	regsvr32.exe	95
PID 2768 wrote to memory of 3972	2768	regsvr32.exe	95
PID 2768 wrote to memory of 3972	2768	regsvr32.exe	95

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\da219bba74d2c3a8be7a2a6d03fe6339.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\da219bba74d2c3a8be7a2a6d03fe6339.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3972

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:3220

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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