ad35d0bc61f173e2c7a27f8e8551713c32aba32bf28e4b5497f68a9893c31a57

Analysis

max time kernel
133s
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
29/01/2024, 02:53

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General

Target

7eb0bf136c8d845cd9b9fa21475f7f03.dll
Size

40KB
MD5

7eb0bf136c8d845cd9b9fa21475f7f03
SHA1

569847158a0bb527eb88ee139c3b065596e6244c
SHA256

ad35d0bc61f173e2c7a27f8e8551713c32aba32bf28e4b5497f68a9893c31a57
SHA512

6173b52a71bd0adbced0d57fce778edfec3d460d00f366a15fc8aee28d4ed32397aac949e8d3b6852d5d2f9c2f128a98498f7de791ddae1c8064f5230587dc12
SSDEEP

768:tX4GAZXZSwJ7HUyYdch53+AXHls5AgMzCGuZNG:tX4GA9nUyUcHBXFs5mCGAN

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\ = "Microsoft SearchWord"	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.SearchHelp\ = "SearchHelp Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.SearchHelp\CLSID\ = "{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\TypeLib\ = "{355F8396-C845-4966-A103-8A05D0004248}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\ = "ISearchHelp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355F8396-C845-4966-A103-8A05D0004248}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355F8396-C845-4966-A103-8A05D0004248}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7eb0bf136c8d845cd9b9fa21475f7f03.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355F8396-C845-4966-A103-8A05D0004248}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355F8396-C845-4966-A103-8A05D0004248}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355F8396-C845-4966-A103-8A05D0004248}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355F8396-C845-4966-A103-8A05D0004248}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\ = "SearchHelp Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\ProgID\ = "SearchWord.SearchHelp.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.SearchHelp\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355F8396-C845-4966-A103-8A05D0004248}\1.0\ = "SearchWord 1.1 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\ = "ISearchHelp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\TypeLib\ = "{355F8396-C845-4966-A103-8A05D0004248}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.SearchHelp.1\ = "SearchHelp Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.SearchHelp	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7EB0BF~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355F8396-C845-4966-A103-8A05D0004248}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355F8396-C845-4966-A103-8A05D0004248}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.SearchHelp.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.SearchHelp\CurVer\ = "SearchWord.SearchHelp.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\TypeLib\ = "{355F8396-C845-4966-A103-8A05D0004248}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{355F8396-C845-4966-A103-8A05D0004248}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\VersionIndependentProgID\ = "SearchWord.SearchHelp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.SearchHelp\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{84F2D0D3-79DE-42CD-B8BB-F7DBAEBDDD4E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.SearchHelp.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SearchWord.SearchHelp.1\CLSID\ = "{79369D5C-2903-4b7a-ADE2-D5E0DEE14D24}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 2956	1896	regsvr32.exe	86
PID 1896 wrote to memory of 2956	1896	regsvr32.exe	86
PID 1896 wrote to memory of 2956	1896	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7eb0bf136c8d845cd9b9fa21475f7f03.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\7eb0bf136c8d845cd9b9fa21475f7f03.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2956

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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