44339b25080fa4a775a473fdd219ab3f34147a839bd942a38084897caa0fb3f8

Analysis

max time kernel
139s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 00:49

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General

Target

9a5b1bc80a3ca383dabc98b6e6750813.dll
Size

48KB
MD5

9a5b1bc80a3ca383dabc98b6e6750813
SHA1

6a4f26c7d258370cf537842725267397da9220e6
SHA256

44339b25080fa4a775a473fdd219ab3f34147a839bd942a38084897caa0fb3f8
SHA512

b11bb8f2c83ed4e3b4951d010b1df1f64fd6a9f741af33de7c2fb305b57759bde799bc53a08dbaa884ed762047a85d0affddd8aa6ca435d210bd07bed3f09d1f
SSDEEP

768:4aVojV7ahakJoe3DZ+CZkSJWQdOSK7GapDEq/ojqroLjB1qe9eHn10:vkahakSezMVfSdaFEb2roB1qT1

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\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ipripw.Wbho	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ipripw.Wbho\CLSID\ = "{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}\ProgID\ = "Ipripw.Wbho.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}\1.0\ = "Ipripw 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ipripw.Wbho.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ipripw.Wbho\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}\ = "Wbho Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ipripw.Wbho.1\ = "Wbho Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ipripw.Wbho\ = "Wbho Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9a5b1bc80a3ca383dabc98b6e6750813.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}\TypeLib\ = "{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ipripw.Wbho.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\TypeLib\ = "{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\ = "IWbho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ipripw.Wbho\CurVer\ = "Ipripw.Wbho.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ipripw.Wbho\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9a5b1bc80a3ca383dabc98b6e6750813.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\ = "IWbho"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\TypeLib\ = "{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ipripw.Wbho.1\CLSID\ = "{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40E3A34A-3282-41F8-AD2C-051BAB96AD4A}\VersionIndependentProgID\ = "Ipripw.Wbho"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{174F982F-BD7E-4CCE-ABB8-4D5C66C66E2E}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D0F08CFF-C95D-432A-86AD-684E3B45BB88}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 2180	4892	regsvr32.exe	84
PID 4892 wrote to memory of 2180	4892	regsvr32.exe	84
PID 4892 wrote to memory of 2180	4892	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9a5b1bc80a3ca383dabc98b6e6750813.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9a5b1bc80a3ca383dabc98b6e6750813.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2180

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

Windows 7 deprecation

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