Malware Analysis Report

2024-10-16 05:05

Sample ID 240802-2qwxrstdrk
Target XWorm V5.2.rar
SHA256 6bde76de6064f5cb941da866a26b81f18d4a7e3d738d416238fa73c0b01149a7
Tags
agilenet agenttesla xworm
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

6bde76de6064f5cb941da866a26b81f18d4a7e3d738d416238fa73c0b01149a7

Threat Level: Known bad

The file XWorm V5.2.rar was found to be: Known bad.

Malicious Activity Summary

agilenet agenttesla xworm

Contains code to disable Windows Defender

Xworm family

Detect Xworm Payload

AgentTesla payload

Agenttesla family

Obfuscated with Agile.Net obfuscator

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: AddClipboardFormatListener

Modifies registry class

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-02 22:48

Signatures

AgentTesla payload

Description Indicator Process Target
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Agenttesla family

agenttesla

Contains code to disable Windows Defender

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

Detect Xworm Payload

Description Indicator Process Target
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Xworm family

xworm

Obfuscated with Agile.Net obfuscator

agilenet
Description Indicator Process Target
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Unsigned PE

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Analysis: behavioral1

Detonation Overview

Submitted

2024-08-02 22:47

Reported

2024-08-02 22:50

Platform

win7-20240708-en

Max time kernel

118s

Max time network

120s

Command Line

cmd /c "C:\Users\Admin\AppData\Local\Temp\XWorm V5.2.rar"

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings 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:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
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\XWorm V5.2.rar"

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\XWorm V5.2.rar

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\XWorm V5.2.rar

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

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\XWorm V5.2.rar"

Network

N/A

Files

memory/2068-29-0x000000013FE90000-0x000000013FF88000-memory.dmp

memory/2068-30-0x000007FEFB740000-0x000007FEFB774000-memory.dmp

memory/2068-32-0x000007FEFB720000-0x000007FEFB738000-memory.dmp

memory/2068-34-0x000007FEFB6E0000-0x000007FEFB6F1000-memory.dmp

memory/2068-33-0x000007FEFB700000-0x000007FEFB717000-memory.dmp

memory/2068-36-0x000007FEFB530000-0x000007FEFB541000-memory.dmp

memory/2068-35-0x000007FEFB6C0000-0x000007FEFB6D7000-memory.dmp

memory/2068-31-0x000007FEF6380000-0x000007FEF6636000-memory.dmp

memory/2068-37-0x000007FEF7F70000-0x000007FEF7F8D000-memory.dmp

memory/2068-38-0x000007FEF7CD0000-0x000007FEF7CE1000-memory.dmp

memory/2068-41-0x000007FEF71A0000-0x000007FEF71E1000-memory.dmp

memory/2068-42-0x000007FEF7CA0000-0x000007FEF7CC1000-memory.dmp

memory/2068-40-0x000007FEF4F90000-0x000007FEF519B000-memory.dmp

memory/2068-47-0x000007FEF7100000-0x000007FEF711B000-memory.dmp

memory/2068-49-0x000007FEF6B80000-0x000007FEF6B98000-memory.dmp

memory/2068-52-0x000007FEF4EA0000-0x000007FEF4F1C000-memory.dmp

memory/2068-51-0x000007FEF4F20000-0x000007FEF4F87000-memory.dmp

memory/2068-53-0x000007FEF6B30000-0x000007FEF6B41000-memory.dmp

memory/2068-50-0x000007FEF6B50000-0x000007FEF6B80000-memory.dmp

memory/2068-48-0x000007FEF6BA0000-0x000007FEF6BB1000-memory.dmp

memory/2068-46-0x000007FEF7120000-0x000007FEF7131000-memory.dmp

memory/2068-45-0x000007FEF7140000-0x000007FEF7151000-memory.dmp

memory/2068-54-0x000007FEF4E40000-0x000007FEF4E97000-memory.dmp

memory/2068-55-0x000007FEF6B00000-0x000007FEF6B28000-memory.dmp

memory/2068-56-0x000007FEF4E10000-0x000007FEF4E34000-memory.dmp

memory/2068-44-0x000007FEF7160000-0x000007FEF7171000-memory.dmp

memory/2068-57-0x000007FEF4DF0000-0x000007FEF4E08000-memory.dmp

memory/2068-58-0x000007FEF4DC0000-0x000007FEF4DE3000-memory.dmp

memory/2068-43-0x000007FEF7180000-0x000007FEF7198000-memory.dmp

memory/2068-59-0x000007FEF4DA0000-0x000007FEF4DB1000-memory.dmp

memory/2068-60-0x000007FEF4D80000-0x000007FEF4D92000-memory.dmp

memory/2068-61-0x000007FEF25C0000-0x000007FEF25D7000-memory.dmp

memory/2068-39-0x000007FEF51A0000-0x000007FEF6250000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-02 22:47

Reported

2024-08-02 22:50

Platform

win10v2004-20240802-en

Max time kernel

100s

Max time network

124s

Command Line

cmd /c "C:\Users\Admin\AppData\Local\Temp\XWorm V5.2.rar"

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000_Classes\Local Settings C:\Windows\system32\cmd.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000_Classes\Local Settings C:\Windows\system32\OpenWith.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\OpenWith.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\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
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N/A N/A C:\Windows\system32\OpenWith.exe N/A
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N/A N/A C:\Windows\system32\OpenWith.exe N/A
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N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
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N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1264 wrote to memory of 812 N/A C:\Windows\system32\OpenWith.exe C:\Program Files\VideoLAN\VLC\vlc.exe
PID 1264 wrote to memory of 812 N/A C:\Windows\system32\OpenWith.exe C:\Program Files\VideoLAN\VLC\vlc.exe

Processes

C:\Windows\system32\cmd.exe

cmd /c "C:\Users\Admin\AppData\Local\Temp\XWorm V5.2.rar"

C:\Windows\system32\OpenWith.exe

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

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

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\XWorm V5.2.rar"

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 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/812-17-0x00007FF7D6310000-0x00007FF7D6408000-memory.dmp

memory/812-18-0x00007FFD15A10000-0x00007FFD15A44000-memory.dmp

memory/812-19-0x00007FFD155F0000-0x00007FFD158A6000-memory.dmp

memory/812-21-0x00007FFD04DA0000-0x00007FFD04EAE000-memory.dmp

memory/812-20-0x00007FFD054B0000-0x00007FFD06560000-memory.dmp