Malware Analysis Report

2024-10-23 21:16

Sample ID 240125-v7w6jabha6
Target 751d0c6c4f18cc8d4bfa7b4f47466647
SHA256 5e2967c8d5af4b9ad3dda4cc27e23386052a3b2d17aa12c68452e895720115c4
Tags
evasion kinsing loader
score
10/10

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
10/10

SHA256

5e2967c8d5af4b9ad3dda4cc27e23386052a3b2d17aa12c68452e895720115c4

Threat Level: Known bad

The file 751d0c6c4f18cc8d4bfa7b4f47466647 was found to be: Known bad.

Malicious Activity Summary

evasion kinsing loader

Modifies visiblity of hidden/system files in Explorer

Kinsing

Modifies visibility of file extensions in Explorer

Enumerates physical storage devices

Unsigned PE

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-25 17:38

Reported

2024-01-25 17:41

Platform

win7-20231215-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe"

Signatures

Modifies visibility of file extensions in Explorer

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A

Modifies visiblity of hidden/system files in Explorer

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 4c003100000000000000000010004c6f63616c00380008000400efbe00000000000000002a000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 7e0074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f3c0008000400efbe00000000000000002a000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\NodeSlot = "1" C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4a0031000000000000000000100054656d700000360008000400efbe00000000000000002a00000000000000000000000000000000000000000000000000540065006d007000000014000000 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 9e00310000000000000000001700373531643063366334663138636338643462666137623466343734363636343700006e0008000400efbe00000000000000002a0000000000000000000000000000000000000000000000000037003500310064003000630036006300340066003100380063006300380064003400620066006100370062003400660034003700340036003600360034003700000030000000 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}" C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe

"C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe"

Network

N/A

Files

memory/2360-2-0x00000000009C0000-0x00000000009EE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:38

Reported

2024-01-25 17:41

Platform

win10v2004-20231215-en

Max time kernel

146s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe"

Signatures

Kinsing

loader kinsing

Modifies visibility of file extensions in Explorer

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A

Modifies visiblity of hidden/system files in Explorer

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe

"C:\Users\Admin\AppData\Local\Temp\751d0c6c4f18cc8d4bfa7b4f47466647.exe"

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/1180-0-0x0000000000590000-0x00000000005BE000-memory.dmp