a488f253f903c93b46598d0cd8c7b2c16b5abb48eb9d2e33472454151cd834e0

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 19:43

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

755ada3b639b6b71aa906117d88c4deb.dll
Size

160KB
MD5

755ada3b639b6b71aa906117d88c4deb
SHA1

b6ff8af31d7f731f048349cea0d2bb7d2cb0496a
SHA256

a488f253f903c93b46598d0cd8c7b2c16b5abb48eb9d2e33472454151cd834e0
SHA512

499168206efd0be119852ae4c8ca09914dcfd3d1964b238c24428a211c308c059aad7c56465b02d6d3d9f8a06848e1b973c9933c05a7f35163adf4b63f6bf442
SSDEEP

3072:WdVlQ+Dn6Hykz7epqCt5xl+WAqfNJzsZBk3Ny4v5G8D:WdvQcxk+pqCt5gqfNNIqpI8D

Score

6^/10

adware persistence stealer

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\{0b92a223-b5e7-236c-5d01-7f3662608be7} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\755ada3b639b6b71aa906117d88c4deb.dll\" DllStart"	regsvr32.exe

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\{f124ed9c-6c24-0fa9-2d47-2a635f2e7d92}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f124ed9c-6c24-0fa9-2d47-2a635f2e7d92}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f124ed9c-6c24-0fa9-2d47-2a635f2e7d92}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\755ada3b639b6b71aa906117d88c4deb.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f124ed9c-6c24-0fa9-2d47-2a635f2e7d92}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f124ed9c-6c24-0fa9-2d47-2a635f2e7d92}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f124ed9c-6c24-0fa9-2d47-2a635f2e7d92}\ = "bannerstyles15 browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f124ed9c-6c24-0fa9-2d47-2a635f2e7d92}\InProcServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 2344	1616	regsvr32.exe	85
PID 1616 wrote to memory of 2344	1616	regsvr32.exe	85
PID 1616 wrote to memory of 2344	1616	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\755ada3b639b6b71aa906117d88c4deb.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\755ada3b639b6b71aa906117d88c4deb.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Replay Monitor

Loading Replay Monitor...

Downloads