f04cb52b34601e7911fb61d74159b926379dbf8dff9ed8485a3b183a99274c3b

Analysis

max time kernel
188s
max time network
211s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2022, 22:04

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General

Target

f04cb52b34601e7911fb61d74159b926379dbf8dff9ed8485a3b183a99274c3b.dll
Size

226KB
MD5

10d9bdc3ac9cf3906ac8dcc3b0f48e0f
SHA1

b73e0e7cf91d9d85bd01331c08f3e13de081e062
SHA256

f04cb52b34601e7911fb61d74159b926379dbf8dff9ed8485a3b183a99274c3b
SHA512

07f38be36736c9b2b1676d301a1d1b71670648c97cae95ca50c0ec389a7d2e292158284369ea0ccd7f3b15ef3dd66cef2d1c2dd13fc4b288bee1e45f305818cb
SSDEEP

6144:bRtscb6d26Eyda1XmmzZqM0zK/Pq1vvYa:EcG46EyE1PzZqM0YPq1vvYa

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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{AAC4596E-DBAB-091B-2D7B-5B25D8B2DA3B}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{AAC4596E-DBAB-091B-2D7B-5B25D8B2DA3B}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AAC4596E-DBAB-091B-2D7B-5B25D8B2DA3B}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AAC4596E-DBAB-091B-2D7B-5B25D8B2DA3B}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f04cb52b34601e7911fb61d74159b926379dbf8dff9ed8485a3b183a99274c3b.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AAC4596E-DBAB-091B-2D7B-5B25D8B2DA3B}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AAC4596E-DBAB-091B-2D7B-5B25D8B2DA3B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AAC4596E-DBAB-091B-2D7B-5B25D8B2DA3B}\ = "ThnuderAtDown Class"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 3280	1540	regsvr32.exe	81
PID 1540 wrote to memory of 3280	1540	regsvr32.exe	81
PID 1540 wrote to memory of 3280	1540	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f04cb52b34601e7911fb61d74159b926379dbf8dff9ed8485a3b183a99274c3b.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f04cb52b34601e7911fb61d74159b926379dbf8dff9ed8485a3b183a99274c3b.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3280

Network

MITRE ATT&CK Enterprise v6

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 v6

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