83da59b7d4515e4cbda32e71d1ed213866136ef0b1f1a88f7b98245248948398

Analysis

max time kernel
146s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
21/03/2024, 00:15

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General

Target
da324cb89538c1a8ec2b5b0b1a8a4d02.dll
Size 343KB
Sample240321-aj6pvaeh79
SHA256 83da59b7d4515e4cbda32e71d1ed213866136ef0b1f1a88f7b98245248948398
MD5 da324cb89538c1a8ec2b5b0b1a8a4d02
SHA1 20fe8ac623172841b1b600d5b8dd24217933608e
SHA512 78a2f26f231aa02e546e0303d50ecfab7ae29c7b4204a51f9e1619ba7882400e1a010b48e6eba933301e0e7667bb8d01efd35be55bb6f0d90d30d550928e8143
SSDEEP 6144:DyZihB4JuB8QBQB09IkBCFH9jFQMu2tvMnTKinYU00LEVwO97:GuB8YQBcCJFQMPtvYTKiYUEVF
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\{0480833a-f21e-cc15-4524-cc45803ca274}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0480833a-f21e-cc15-4524-cc45803ca274}\NoExplorer = "\"\""	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{37e0cdb9-3890-e6e8-bd0b-8c435503db43}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0480833a-f21e-cc15-4524-cc45803ca274}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37e0cdb9-3890-e6e8-bd0b-8c435503db43}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37e0cdb9-3890-e6e8-bd0b-8c435503db43}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0480833a-f21e-cc15-4524-cc45803ca274}\ = "mysidesearch search enhancer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0480833a-f21e-cc15-4524-cc45803ca274}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37e0cdb9-3890-e6e8-bd0b-8c435503db43}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\da324cb89538c1a8ec2b5b0b1a8a4d02.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37e0cdb9-3890-e6e8-bd0b-8c435503db43}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0480833a-f21e-cc15-4524-cc45803ca274}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37e0cdb9-3890-e6e8-bd0b-8c435503db43}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37e0cdb9-3890-e6e8-bd0b-8c435503db43}\ = "Search panel"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37e0cdb9-3890-e6e8-bd0b-8c435503db43}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0480833a-f21e-cc15-4524-cc45803ca274}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\da324cb89538c1a8ec2b5b0b1a8a4d02.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{37e0cdb9-3890-e6e8-bd0b-8c435503db43}\Implemented Categories	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3452 wrote to memory of 4872	3452	regsvr32.exe	93
PID 3452 wrote to memory of 4872	3452	regsvr32.exe	93
PID 3452 wrote to memory of 4872	3452	regsvr32.exe	93

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\da324cb89538c1a8ec2b5b0b1a8a4d02.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\da324cb89538c1a8ec2b5b0b1a8a4d02.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:4872

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=2288,i,11069632825633797559,14829202121434726371,262144 --variations-seed-version /prefetch:8
1⤵
PID:1032

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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