21e76d101c19571d254e649c86f2588c7a46e7fb8f0911880ebbbadc7acf4d18

Analysis

max time kernel
13s
max time network
14s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 23:49

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General

Target

OldNewExplorer64.dll
Size

255KB
MD5

fcf194e3b9101064939a000075149f29
SHA1

7a3767dabba5368da9092ea17b0dcbdd23b23bfb
SHA256

21e76d101c19571d254e649c86f2588c7a46e7fb8f0911880ebbbadc7acf4d18
SHA512

e3fc693f1e7f7ac80d45f3b3d6df6c659f8e5aca5ef02d6a020d351927b684f71be4aba7c27aca2f82893cd98f431a89b21f5e78a7c35207964b161749fc4d24
SSDEEP

6144:Bq55rea+EvK+Evx+EvU+EN+EvH+Evb+Ev6NZN/No+Ev1+EvZ+EvS+Ef+EvZ+EvlG:Bq5E

Score

7^/10

adware persistence privilege_escalation stealer

Malware Config

Signatures

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

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\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{27DD0F8B-3E0E-4ADC-A78A-66047E71ADC5}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{27DD0F8B-3E0E-4ADC-A78A-66047E71ADC5}\NoInternetExplorer = "1"	regsvr32.exe

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{27DD0F8B-3E0E-4ADC-A78A-66047E71ADC5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{27DD0F8B-3E0E-4ADC-A78A-66047E71ADC5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\OldNewExplorer64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{27DD0F8B-3E0E-4ADC-A78A-66047E71ADC5}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\FolderExtensions\{27DD0F8B-3E0E-4ADC-A78A-66047E71ADC5}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\FolderExtensions\{27DD0F8B-3E0E-4ADC-A78A-66047E71ADC5}\DriveMask = "255"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{27DD0F8B-3E0E-4ADC-A78A-66047E71ADC5}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\OldNewExplorer64.dll
1⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Privilege Escalation

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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