d55da147d54f001f69174db881fdc3ddb83a7173f87b8f960b8ca0a81dcabc51

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2024, 19:33

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General

Target

$SYSDIR/$SYSDIR/$_2_.dll
Size

384KB
MD5

9d3bac3ea78e7c59a0f46d9d28a32fbf
SHA1

876e4eaae9a6089501e0f9376f6f5c5736a45d82
SHA256

9dcd339f85e966a4e5ffb8c111e3755b4cd675016da8b8de0215df08950ffbb7
SHA512

49285eee49af338c296d4f1455a371638400a4870ceb4ec5c502cbe224b6f7b0e246cea2e62b23ffb97cbbb855f2e54b109aa6d93d3dd2da31bbd37f172aac84
SSDEEP

6144:NhKh3DUBJBkt9UszGXHdEGH5RNOzofJkK4mj7lfoxh4:NQiBLk3UszKyGtOzofmK4m1foxh4

Score

6^/10

adware discovery 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\{62AB685F-D9F5-128B-C078-0FE3440D9297}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{62AB685F-D9F5-128B-C078-0FE3440D9297}\NoExplorer = "1"	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{2DCBEA4F-7388-D76D-558B-CC439D02112A}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2DCBEA4F-7388-D76D-558B-CC439D02112A}\ = "Search panel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2DCBEA4F-7388-D76D-558B-CC439D02112A}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2DCBEA4F-7388-D76D-558B-CC439D02112A}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62AB685F-D9F5-128B-C078-0FE3440D9297}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\$SYSDIR\\$_2_.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2DCBEA4F-7388-D76D-558B-CC439D02112A}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\$SYSDIR\\$_2_.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2DCBEA4F-7388-D76D-558B-CC439D02112A}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62AB685F-D9F5-128B-C078-0FE3440D9297}\ = "seekgadget search enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62AB685F-D9F5-128B-C078-0FE3440D9297}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2DCBEA4F-7388-D76D-558B-CC439D02112A}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2DCBEA4F-7388-D76D-558B-CC439D02112A}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62AB685F-D9F5-128B-C078-0FE3440D9297}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62AB685F-D9F5-128B-C078-0FE3440D9297}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2DCBEA4F-7388-D76D-558B-CC439D02112A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2480	2600	regsvr32.exe	83
PID 2600 wrote to memory of 2480	2600	regsvr32.exe	83
PID 2600 wrote to memory of 2480	2600	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\$_2_.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\$_2_.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2480

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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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