a9de1801ccf40ae59236f8c7e2bc92f78257eb34ad671c5d75df4d09df095932

Analysis

max time kernel
90s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 09:35

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General

Target

a9de1801ccf40ae59236f8c7e2bc92f78257eb34ad671c5d75df4d09df095932.dll
Size

435KB
MD5

b1f464821e35b0d7ff9758ae46ae611e
SHA1

5ceb2a7d7e77e84b457ad08c8fbdc304feab2ecc
SHA256

a9de1801ccf40ae59236f8c7e2bc92f78257eb34ad671c5d75df4d09df095932
SHA512

94dcfd65e96296283cac14163327580a864b40e00cc255a3345e1693eb258a38669f8b926999f95165bb5fcb8e8cf922d6012d07d72353b1a1bf30fa091af982
SSDEEP

12288:Z/r4dcwXrhGgGJq6xGJOpqXRypiI3QTVu:ZzfwEgGs0Gkp3pv8Vu

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\{ebf06a6d-de0e-f3b1-0d10-b3da3933c78a}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ebf06a6d-de0e-f3b1-0d10-b3da3933c78a}\NoExplorer = "\"\""	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{66aad729-3be4-f0ed-9ed5-8f133996b70d}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebf06a6d-de0e-f3b1-0d10-b3da3933c78a}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebf06a6d-de0e-f3b1-0d10-b3da3933c78a}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66aad729-3be4-f0ed-9ed5-8f133996b70d}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66aad729-3be4-f0ed-9ed5-8f133996b70d}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebf06a6d-de0e-f3b1-0d10-b3da3933c78a}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebf06a6d-de0e-f3b1-0d10-b3da3933c78a}\ = "mysidesearch search enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66aad729-3be4-f0ed-9ed5-8f133996b70d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66aad729-3be4-f0ed-9ed5-8f133996b70d}\ = "Search panel"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66aad729-3be4-f0ed-9ed5-8f133996b70d}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a9de1801ccf40ae59236f8c7e2bc92f78257eb34ad671c5d75df4d09df095932.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66aad729-3be4-f0ed-9ed5-8f133996b70d}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ebf06a6d-de0e-f3b1-0d10-b3da3933c78a}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a9de1801ccf40ae59236f8c7e2bc92f78257eb34ad671c5d75df4d09df095932.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66aad729-3be4-f0ed-9ed5-8f133996b70d}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66aad729-3be4-f0ed-9ed5-8f133996b70d}\Implemented Categories	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 4892	4880	regsvr32.exe	80
PID 4880 wrote to memory of 4892	4880	regsvr32.exe	80
PID 4880 wrote to memory of 4892	4880	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a9de1801ccf40ae59236f8c7e2bc92f78257eb34ad671c5d75df4d09df095932.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a9de1801ccf40ae59236f8c7e2bc92f78257eb34ad671c5d75df4d09df095932.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:4892

Network

MITRE ATT&CK Enterprise v6

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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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads