e70597952789aaa8793596997eee999046c3dc705e52b9935b7f643f6c8038ef

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 02:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

winpnp.dll
Size

893KB
MD5

bdbe99254afa47224f49e3db59faaae2
SHA1

19e4aae4ad4cd5c7e4ceafa49557747c5b148ab0
SHA256

b017009fd4533fc82b1c2ee4601a8f78b7043b9f38122f89161d61f3dc19823c
SHA512

ee5d152e211ef79c1ab714624b9c162eb62b36fcbc91285df60055d74943a529d76eab4168542ecb72b293be824a64438a1ff0f5aa3d6b87c9858ed0016c2097
SSDEEP

12288:HJRmqKSL3zRdnujhwpG7TqhoH5fc2oXwAezy+vI6HzrUOYt1SHk7YSxAgpELW2D:pcqKMmEG7Os5fAXwAeO+vIi2JvAgWW

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\{6F2BD1DC-B030-4656-8847-E75037CA9C13}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6F2BD1DC-B030-4656-8847-E75037CA9C13}\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 registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\winpnp.P\Clsid\ = "{6F2BD1DC-B030-4656-8847-E75037CA9C13}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6F2BD1DC-B030-4656-8847-E75037CA9C13}\ProgID\ = "winpnp.P"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6F2BD1DC-B030-4656-8847-E75037CA9C13}\ = "O"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6F2BD1DC-B030-4656-8847-E75037CA9C13}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6F2BD1DC-B030-4656-8847-E75037CA9C13}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winpnp.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6F2BD1DC-B030-4656-8847-E75037CA9C13}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6F2BD1DC-B030-4656-8847-E75037CA9C13}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6F2BD1DC-B030-4656-8847-E75037CA9C13}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\winpnp.P	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\winpnp.P\ = "O"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\winpnp.P\Clsid	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 392	1236	regsvr32.exe	86
PID 1236 wrote to memory of 392	1236	regsvr32.exe	86
PID 1236 wrote to memory of 392	1236	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\winpnp.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\winpnp.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:392

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

Windows 7 deprecation

Loading Replay Monitor...