afe210036357ac467801e6cb276e835dcc43a1c5764f46e7e6a2c2a44d4e848d

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
21/06/2024, 02:23

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General

Target
afe210036357ac467801e6cb276e835dcc43a1c5764f46e7e6a2c2a44d4e848d.dll
Size 233KB
Sample240621-cvbd7azenn
SHA256 afe210036357ac467801e6cb276e835dcc43a1c5764f46e7e6a2c2a44d4e848d
MD5 714f3a3828aad4941a944d21e72240a7
SHA1 09e0e6a9c8d7fc018378dd1d5129be180c34facc
SHA512 66eff5afcfe97955283f9106bddda6df9c93543491d99244ecd9ae0f56fab0e89a6355964824e3e82bf0a2eb17d11e01a74ada1c44e84567cac4a5f0cb4172bb
SSDEEP 6144:xFhw85cgrrdSV1U773PfeUVS8hbQzX4DT3OKNz:x3nVhSV1U33P2UVbBAWz
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 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\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}\ = "ADFilterBHO Class"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\afe210036357ac467801e6cb276e835dcc43a1c5764f46e7e6a2c2a44d4e848d.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}\TypeLib\ = "{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}\Version\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\TypeLib\ = "{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}\1.0\ = "IEPluginLib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\ = "IADFilterBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\ = "IADFilterBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\TypeLib\ = "{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}\ = "ADFilterBHO Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\afe210036357ac467801e6cb276e835dcc43a1c5764f46e7e6a2c2a44d4e848d.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{29373027-0A1C-4C35-BB93-331D704C891B}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D78C6BE-5E33-4EC1-9090-77ACA33FD944}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{56BDD4E1-0C9A-4658-ACBF-7FADC6A60188}\1.0\FLAGS\ = "0"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 2608	3352	regsvr32.exe	91
PID 3352 wrote to memory of 2608	3352	regsvr32.exe	91
PID 3352 wrote to memory of 2608	3352	regsvr32.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\afe210036357ac467801e6cb276e835dcc43a1c5764f46e7e6a2c2a44d4e848d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3352
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\afe210036357ac467801e6cb276e835dcc43a1c5764f46e7e6a2c2a44d4e848d.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2608

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4444 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:1696

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

Replay Monitor

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Downloads

memory/2608-0-0x000000006FFF0000-0x0000000070000000-memory.dmp

Download

memory/2608-1-0x000000006FFF0000-0x0000000070000000-memory.dmp