Malware Analysis Report

2025-04-14 01:48

Sample ID 240602-2emjysae26
Target Incognito Internal v1.1.6.rar
SHA256 c8f3e66bb2bbce1bb15b54c644e17a22af9e2684561ff46e2d6b04da03f7d289
Tags
score
3/10

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
3/10

SHA256

c8f3e66bb2bbce1bb15b54c644e17a22af9e2684561ff46e2d6b04da03f7d289

Threat Level: Likely benign

The file Incognito Internal v1.1.6.rar was found to be: Likely benign.

Malicious Activity Summary


Enumerates physical storage devices

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-02 22:29

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 22:29

Reported

2024-06-02 22:32

Platform

win7-20240508-en

Max time kernel

117s

Max time network

119s

Command Line

cmd /c "C:\Users\Admin\AppData\Local\Temp\Incognito Internal v1.1.6.rar"

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags C:\Windows\system32\rundll32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" C:\Windows\system32\rundll32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}" C:\Windows\system32\rundll32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" C:\Windows\system32\rundll32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 8800310000000000a8580687110050524f4752417e310000700008000400efbeee3a851aa85806872a0000003c000000000001000000000000000000460000000000500072006f006700720061006d002000460069006c0065007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370038003100000018000000 C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = ffffffff C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg C:\Windows\system32\rundll32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff C:\Windows\system32\rundll32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\NodeSlot = "1" C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell C:\Windows\system32\rundll32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell C:\Windows\system32\rundll32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0" C:\Windows\system32\rundll32.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Windows\system32\rundll32.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 C:\Windows\system32\rundll32.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c "C:\Users\Admin\AppData\Local\Temp\Incognito Internal v1.1.6.rar"

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Incognito Internal v1.1.6.rar

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Incognito Internal v1.1.6.rar

C:\Program Files\VideoLAN\VLC\vlc.exe

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\Incognito Internal v1.1.6.rar"

Network

N/A

Files

memory/2700-24-0x0000000003CC0000-0x0000000003CD0000-memory.dmp

memory/2392-38-0x000007FEFAF40000-0x000007FEFAF74000-memory.dmp

memory/2392-37-0x000000013F690000-0x000000013F788000-memory.dmp

memory/2392-39-0x000007FEF6270000-0x000007FEF6526000-memory.dmp

memory/2392-40-0x000007FEF48D0000-0x000007FEF5980000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 22:29

Reported

2024-06-02 22:32

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

147s

Command Line

cmd /c "C:\Users\Admin\AppData\Local\Temp\Incognito Internal v1.1.6.rar"

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings C:\Windows\system32\cmd.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings C:\Windows\system32\OpenWith.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\system32\OpenWith.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3628 wrote to memory of 384 N/A C:\Windows\system32\OpenWith.exe C:\Windows\system32\NOTEPAD.EXE
PID 3628 wrote to memory of 384 N/A C:\Windows\system32\OpenWith.exe C:\Windows\system32\NOTEPAD.EXE

Processes

C:\Windows\system32\cmd.exe

cmd /c "C:\Users\Admin\AppData\Local\Temp\Incognito Internal v1.1.6.rar"

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Incognito Internal v1.1.6.rar

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp

Files

N/A