50d064a6e6d6cdc953b6eeca5c44660a1d7234a05aae380402823e8801e7907d

Analysis

max time kernel
146s
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
04/01/2024, 01:45

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General

Target

3f9582ad14c12c421d7edc371453b9a3.exe
Size

244KB
MD5

3f9582ad14c12c421d7edc371453b9a3
SHA1

22e3417621735c7658de7d900969016ea837fe64
SHA256

50d064a6e6d6cdc953b6eeca5c44660a1d7234a05aae380402823e8801e7907d
SHA512

c342eff209fa09ee03b1f63c2e71a02a8fe5cb84548e62fdc2c7c9c3fd4661c633c5faf89b98006d114ea351524d5ede365119ae205e0fd66a2230eaf9db478a
SSDEEP

6144:h1OgDPdkBAFZWjadD4s5l9q3pmrqApmSWnzIl:h1OgLdaOlA3MrqmwzE

Score

7^/10

adware discovery stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1380	50fa61fc943f2.exe

Loads dropped DLL 2 IoCs

pid	Process
1380	50fa61fc943f2.exe
1380	50fa61fc943f2.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Installs/modifies Browser Helper Object 2 TTPs 3 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\{F011C86E-855E-E410-B2C3-E2EDA6313C4A}\ = "wxDownload"	50fa61fc943f2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F011C86E-855E-E410-B2C3-E2EDA6313C4A}\NoExplorer = "1"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F011C86E-855E-E410-B2C3-E2EDA6313C4A}	50fa61fc943f2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x000700000002322a-9.dat	nsis_installer_1
behavioral2/files/0x000700000002322a-9.dat	nsis_installer_2

Modifies registry class 45 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ = "ILocalStorage"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\Version = "1.0"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{F011C86E-855E-E410-B2C3-E2EDA6313C4A}\InProcServer32	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F011C86E-855E-E410-B2C3-E2EDA6313C4A}\InProcServer32\ = "C:\\ProgramData\\wxDownload\\50fa61fc9442c.dll"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\ProgramData\\wxDownload"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\Version = "1.0"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ = "IIEPluginMain"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ = "ILocalStorage"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F011C86E-855E-E410-B2C3-E2EDA6313C4A}\InProcServer32\ThreadingModel = "Apartment"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F011C86E-855E-E410-B2C3-E2EDA6313C4A}\ProgID\ = "wxDownload.1"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\ProgramData\\wxDownload\\50fa61fc9442c.tlb"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\Version = "1.0"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F011C86E-855E-E410-B2C3-E2EDA6313C4A}\ = "wxDownload"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{F011C86E-855E-E410-B2C3-E2EDA6313C4A}\ProgID	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{F011C86E-855E-E410-B2C3-E2EDA6313C4A}	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ = "IIEPluginMain"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\Version = "1.0"	50fa61fc943f2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib	50fa61fc943f2.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 1380	4556	3f9582ad14c12c421d7edc371453b9a3.exe	18
PID 4556 wrote to memory of 1380	4556	3f9582ad14c12c421d7edc371453b9a3.exe	18
PID 4556 wrote to memory of 1380	4556	3f9582ad14c12c421d7edc371453b9a3.exe	18

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	50fa61fc943f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{F011C86E-855E-E410-B2C3-E2EDA6313C4A} = "1"	50fa61fc943f2.exe

C:\Users\Admin\AppData\Local\Temp\3f9582ad14c12c421d7edc371453b9a3.exe
"C:\Users\Admin\AppData\Local\Temp\3f9582ad14c12c421d7edc371453b9a3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4556
- C:\Users\Admin\AppData\Local\Temp\7zS4AC4.tmp\50fa61fc943f2.exe
  .\50fa61fc943f2.exe /s
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - System policy modification
  PID:1380

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

Query Registry

T1012

System Information Discovery

T1082

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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