a909f01a3d5514c0f4996a1a2d947a91ddbdbd86dd5c3cc820c42e136d53c5ee

Analysis

max time kernel
115s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/04/2024, 15:23

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General

Target
EasyOn.dll
Size 126KB
Sample240410-sstezscf94
SHA256 41321b02a4922ab9911e340c190eead9e17d5f56590921953b0658958e1bfba8
MD5 b8d58e3a0587f0015e5ef6e611444f30
SHA1 181d12bc03b329f4ddd4f85f792b2f0a7b9d147a
SHA512 b2e1c3f4ec7e1f468fd8e4d190a17268f2008dfc8e8a68e45b6a109cb98322c5363d49d5aaf8e76cf38c7fc1e813179f776dd90ad6ae55b6b46ddbafe1b56434
SSDEEP 3072:txSwDINkVwQag7NVj1agWgIknPGcnifj56:t4JwzRZPGl
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{1CE681DC-1190-40EF-85A9-ADE47098CF51}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\TabProcGrowth = "0"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\TabProcGrowth = "0"	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\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\EasyOn.BandHelper	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}\1.0\ = "EasyOn 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper.1\CLSID\ = "{1CE681DC-1190-40EF-85A9-ADE47098CF51}"	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\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\EasyOn.dll"	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\TypeLib\{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	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\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\ = "IBandHelper"	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\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper.1	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}\ProgID\ = "EasyOn.BandHelper.1"	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\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand.1\CLSID	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\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper\CurVer\ = "EasyOn.BandHelper.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\TypeLib\ = "{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper\ = "BandHelper Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\EasyOn.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\ProgID	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\EasyOn.BandHelper.1\ = "BandHelper Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\TypeLib\ = "{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}"	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}\ProgID\ = "EasyOn.SideBand.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	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\WOW6432Node\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.SideBand.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}	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\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\ = "ISideBand"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\ = "IBandHelper"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B32ACA33-EA72-4757-A8CF-EFAE06B218EB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5740EFD7-04A6-4FEB-AA0F-E5F2BA962DB0}\ProxyStubClsid32	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\WOW6432Node\CLSID\{51A6FBA6-21E1-44B9-8998-5E886EB3E74F}\VersionIndependentProgID\ = "EasyOn.SideBand"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1CE681DC-1190-40EF-85A9-ADE47098CF51}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9EC01A8D-1377-4F63-89D8-AE6CD3E43C32}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EasyOn.BandHelper\CLSID\ = "{1CE681DC-1190-40EF-85A9-ADE47098CF51}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 3364	2360	regsvr32.exe	91
PID 2360 wrote to memory of 3364	2360	regsvr32.exe	91
PID 2360 wrote to memory of 3364	2360	regsvr32.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\EasyOn.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\EasyOn.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:3364

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=4100 --field-trial-handle=3044,i,17059189006398306756,4247826696353232857,262144 --variations-seed-version /prefetch:8
1⤵
PID:3304

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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