4824b32e77aaa215c6497d16df9c022feddd5162fc8a3aa67a609150d91b8e92

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 00:15

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General

Target
$R0.dll
Size 362KB
Sample240604-ajw6eaed2w
SHA256 1678d9d049a4a9a6f43183116e1c2e4099f4e018666d8423e1fbd2b1ca35e184
MD5 d701d62c5f1b9e910811b6b61c40bd17
SHA1 b9fc8726897f8ebc6ea7a98b2366c90003a13e11
SHA512 1361e1be7bc6d631453f95d19082b69742109a10b90af49928fdc2caeac3deb6ec45cdc2f97a13476fe698c489a04b5e0cf9d6cc8d49f69308765fffc06a1112
SSDEEP 6144:mwFl18ot7X/yIZ0xEVQGczEd01mKlHdhCZo6EErvRMK/y:rFn8o5Xa9xEOGezmQ9hCZoKrvRMK6
MD5 SHA1 SHA512 SSDEEP

Score

4^/10

persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 7 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\HaoZip	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\DragDropHandlers	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\DragDropHandlers\HaoZip	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\DragDropHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\HaoZip	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\DragDropHandlers\HaoZip	regsvr32.exe

Modifies registry class 40 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\HaoZip	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\DragDropHandlers\HaoZip	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5FED836A-C96C-4d88-A91E-F63F07726585}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\DragDropHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\PropertySheetHandlers\HaoZip	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\DragDropHandlers\HaoZip	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\HaoZip	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\DragDropHandlers\HaoZip	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5FED836A-C96C-4d88-A91E-F63F07726585}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\PropertySheetHandlers\HaoZip	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\DragDropHandlers	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\HaoZip	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\HaoZip	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\HaoZip	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\PropertySheetHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\DragDropHandlers\HaoZip	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\HaoZip	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\HaoZip	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\DragDropHandlers	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\HaoZip	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\HaoZip	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\DragDropHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5FED836A-C96C-4d88-A91E-F63F07726585}\ = "HaoZip Shell Extension"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5FED836A-C96C-4d88-A91E-F63F07726585}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$R0.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\HaoZip	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\DragDropHandlers\HaoZip	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5FED836A-C96C-4d88-A91E-F63F07726585}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\HaoZip	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\DragDropHandlers\HaoZip	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\HaoZip	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\HaoZip	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\DragDropHandlers\HaoZip\ = "{5FED836A-C96C-4d88-A91E-F63F07726585}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\HaoZip	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2228	1668	regsvr32.exe	28
PID 1668 wrote to memory of 2228	1668	regsvr32.exe	28
PID 1668 wrote to memory of 2228	1668	regsvr32.exe	28
PID 1668 wrote to memory of 2228	1668	regsvr32.exe	28
PID 1668 wrote to memory of 2228	1668	regsvr32.exe	28
PID 1668 wrote to memory of 2228	1668	regsvr32.exe	28
PID 1668 wrote to memory of 2228	1668	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$R0.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$R0.dll
  2⤵
  - Modifies system executable filetype association
  - Modifies registry class
  PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

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

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