50f98d150c55d4f82498258317e313ecce87e6154e314f276d61ebf98aca6a3e

Analysis

max time kernel
137s
max time network
145s
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, 12:12

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General

Target
9ba44e00744aa85f065a40435dae348a.dll
Size 570KB
Sample240214-pdd5zaba83
SHA256 50f98d150c55d4f82498258317e313ecce87e6154e314f276d61ebf98aca6a3e
MD5 9ba44e00744aa85f065a40435dae348a
SHA1 55aaef3abb4c492cb97d9a38c1b519cc1fdd1f37
SHA512 b55495c38d2898c4d9208624bea6d9d91ab0f9b0f92fddfde48527c06efa1d8d45dfd8762c7e7955fc907e8e6b6156fb935665fbf7dec28509d1068731242203
SSDEEP 6144:XM8x2ZJs30wJJGbdMSrlyGOppm4q4TakUm27zt:XrxOsjJJGbBXOpmN4T/UmKt
MD5 SHA1 SHA512 SSDEEP

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\{EA167789-3AF1-767A-E3C9-822E9AD6FEB1}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{EA167789-3AF1-767A-E3C9-822E9AD6FEB1}\NoExplorer = "1"	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{E50075F5-903B-6429-4072-10162F19EE89}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E50075F5-903B-6429-4072-10162F19EE89}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E50075F5-903B-6429-4072-10162F19EE89}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E50075F5-903B-6429-4072-10162F19EE89}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E50075F5-903B-6429-4072-10162F19EE89}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E50075F5-903B-6429-4072-10162F19EE89}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9ba44e00744aa85f065a40435dae348a.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E50075F5-903B-6429-4072-10162F19EE89}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA167789-3AF1-767A-E3C9-822E9AD6FEB1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA167789-3AF1-767A-E3C9-822E9AD6FEB1}\ = "seekgadget search enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA167789-3AF1-767A-E3C9-822E9AD6FEB1}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA167789-3AF1-767A-E3C9-822E9AD6FEB1}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EA167789-3AF1-767A-E3C9-822E9AD6FEB1}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9ba44e00744aa85f065a40435dae348a.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E50075F5-903B-6429-4072-10162F19EE89}\ = "Search panel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E50075F5-903B-6429-4072-10162F19EE89}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 2568	4540	regsvr32.exe	84
PID 4540 wrote to memory of 2568	4540	regsvr32.exe	84
PID 4540 wrote to memory of 2568	4540	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9ba44e00744aa85f065a40435dae348a.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9ba44e00744aa85f065a40435dae348a.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2568

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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