42bc6be7f89603a2231c86a859229a50c70aa32848712e5a7eb2db994f586a8b

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2024, 04:06

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General

Target
9f664cdaf2d04ecbdcde4670c3e319d4.dll
Size 356KB
Sample240216-epcq6she84
SHA256 42bc6be7f89603a2231c86a859229a50c70aa32848712e5a7eb2db994f586a8b
MD5 9f664cdaf2d04ecbdcde4670c3e319d4
SHA1 a0c03d3acac9b221efa52d25395652c33e2f623c
SHA512 4134c7a5ac18bf4d2219bbc712ee205c0d5b66f453188998d9b0a8d3b607514c5566833823cbb2480547fd1e8cde7e5dfd6610ac5dddf0baf893b573e0271560
SSDEEP 6144:CSyl/NnWeh1MFLx7hzY8nDYgWVZdLORXgiU02M7/Y1Fyou+SDKHM16DG:CSyfWewzY88XiwiU02MLsyoSDKHM1V
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{23211d45-0e11-a476-4704-5459c52f3afc}\NoExplorer = "\"\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{23211d45-0e11-a476-4704-5459c52f3afc}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{6c4bd772-801e-6c5c-41f6-ef4ad4a2e8c5}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6c4bd772-801e-6c5c-41f6-ef4ad4a2e8c5}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23211d45-0e11-a476-4704-5459c52f3afc}\ = "mysidesearch search enhancer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23211d45-0e11-a476-4704-5459c52f3afc}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6c4bd772-801e-6c5c-41f6-ef4ad4a2e8c5}\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\{6c4bd772-801e-6c5c-41f6-ef4ad4a2e8c5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6c4bd772-801e-6c5c-41f6-ef4ad4a2e8c5}\ = "Search panel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6c4bd772-801e-6c5c-41f6-ef4ad4a2e8c5}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6c4bd772-801e-6c5c-41f6-ef4ad4a2e8c5}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6c4bd772-801e-6c5c-41f6-ef4ad4a2e8c5}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9f664cdaf2d04ecbdcde4670c3e319d4.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6c4bd772-801e-6c5c-41f6-ef4ad4a2e8c5}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23211d45-0e11-a476-4704-5459c52f3afc}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23211d45-0e11-a476-4704-5459c52f3afc}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{23211d45-0e11-a476-4704-5459c52f3afc}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9f664cdaf2d04ecbdcde4670c3e319d4.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 444	752	regsvr32.exe	84
PID 752 wrote to memory of 444	752	regsvr32.exe	84
PID 752 wrote to memory of 444	752	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9f664cdaf2d04ecbdcde4670c3e319d4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:752
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9f664cdaf2d04ecbdcde4670c3e319d4.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:444

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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