Malware Analysis Report

2025-01-22 12:22

Sample ID 240518-aad88saa35
Target [SA]LimitAdjaster.exe
SHA256 dbcc0fa52ba88fab709435d08c15045f814435650873e11ec214f0d7c66cbf4d
Tags
aspackv2
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

dbcc0fa52ba88fab709435d08c15045f814435650873e11ec214f0d7c66cbf4d

Threat Level: Shows suspicious behavior

The file [SA]LimitAdjaster.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

ASPack v2.12-2.42

Unsigned PE

Enumerates physical storage devices

Modifies registry class

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-18 00:00

Signatures

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 00:00

Reported

2024-05-18 00:00

Platform

win10v2004-20240426-en

Max time kernel

24s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe"

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Mode = "4" C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1092616257" C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupView = "0" C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:PID = "0" C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1" C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\LogicalViewMode = "1" C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByDirection = "1" C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\IconSize = "16" C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000 C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy\{7D49D726-3C21-4F05-99AA-FDC2C9474656} C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlgLegacy C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A
Key created \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe

"C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp

Files

memory/3128-0-0x00000000021F0000-0x00000000021F1000-memory.dmp

memory/3128-1-0x0000000000400000-0x000000000046F000-memory.dmp

memory/3128-3-0x00000000021F0000-0x00000000021F1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 00:00

Reported

2024-05-18 00:00

Platform

win11-20240508-en

Max time kernel

23s

Command Line

"C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe

"C:\Users\Admin\AppData\Local\Temp\[SA]LimitAdjaster.exe"

Network

N/A

Files

memory/3796-0-0x0000000000750000-0x0000000000751000-memory.dmp

memory/3796-1-0x0000000000400000-0x000000000046F000-memory.dmp

memory/3796-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/3796-3-0x0000000000750000-0x0000000000751000-memory.dmp