e5ddfa9ae6b0e6814254d036812e83acf2e9fff700e49e8d7c44e1e3bf48b73e

Analysis

max time kernel
158s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 21:30

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General

Target

047c3b59cfea4e41a6744323c309c1cd.dll
Size

192KB
MD5

047c3b59cfea4e41a6744323c309c1cd
SHA1

e1b0eb89babb706ae18d4025185589e2176b9b46
SHA256

e5ddfa9ae6b0e6814254d036812e83acf2e9fff700e49e8d7c44e1e3bf48b73e
SHA512

286d878da7320d95c95579cb0e4f002fcd07f8b5572d775c91a859905ec368ec9d0b476ec67be7dc17d6d7d9952ab7cacc134bed380739db3ec8ff8dc9ba9ead
SSDEEP

3072:p9NkAs3vNMzIduJ0fUq1mp5WeT9u7dlHsNr/r:HNkAsFSlqYjWH7O

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\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 12 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ButtonText = "Chinese Navigation"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuStatusBar = "Chinese Navigation"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\Default Visible = "Yes"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\Icon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\047C3B~1.DLL,204"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuText = "ÖÐÎÄÉÏÍø"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuStatusBar = "ÖÐÎÄÉÏÍøÉèÖÃ"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\HotIcon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\047C3B~1.DLL,204"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\CLSID = "{1FBA04EE-3024-11d2-8F1F-0000F87ABD16}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ClsidExtension = "{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuText = "Chinese Navigation"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ButtonText = "ÖÐÎÄÉÏÍø"	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj\ = "CndForIE Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\ = "CdnForIE 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj\CurVer\ = "CndForIE.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\047C3B~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1\ = "CndForIE Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1\CLSID\ = "{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\VersionIndependentProgID\ = "CdnForIE.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\ = "{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ = "CdnForIE Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ProgID\ = "CndForIE.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\047c3b59cfea4e41a6744323c309c1cd.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\ = "{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 3568	3912	regsvr32.exe	88
PID 3912 wrote to memory of 3568	3912	regsvr32.exe	88
PID 3912 wrote to memory of 3568	3912	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\047c3b59cfea4e41a6744323c309c1cd.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3912
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\047c3b59cfea4e41a6744323c309c1cd.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:3568

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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