Malware Analysis Report

2024-10-19 08:22

Sample ID 240613-wf796axdpd
Target Rec-Net-Importer-Main.rar
SHA256 c3fa59901d56ce8a95a303b22fd119cb94abf4f43c4f6d60a81fd78b7d00fa65
Tags
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

c3fa59901d56ce8a95a303b22fd119cb94abf4f43c4f6d60a81fd78b7d00fa65

Threat Level: Shows suspicious behavior

The file Rec-Net-Importer-Main.rar was found to be: Shows suspicious behavior.

Malicious Activity Summary


Checks computer location settings

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 17:52

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 17:52

Reported

2024-06-13 17:53

Platform

win7-20240508-en

Max time kernel

49s

Max time network

30s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\Rec-Net-Importer-Main.rar

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_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:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Program Files\VideoLAN\VLC\vlc.exe N/A

Suspicious use of FindShellTrayWindow

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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
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:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Suspicious use of SendNotifyMessage

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

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\Rec-Net-Importer-Main.rar

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Rec-Net-Importer-Main.rar

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Rec-Net-Importer-Main.rar

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

"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\Rec-Net-Importer-Main.rar"

C:\Windows\explorer.exe

"C:\Windows\explorer.exe"

Network

N/A

Files

memory/2032-25-0x000007FEFB1D0000-0x000007FEFB204000-memory.dmp

memory/2032-24-0x000000013F430000-0x000000013F528000-memory.dmp

memory/2032-27-0x000007FEFB470000-0x000007FEFB488000-memory.dmp

memory/2032-28-0x000007FEFB1B0000-0x000007FEFB1C7000-memory.dmp

memory/2032-29-0x000007FEFB190000-0x000007FEFB1A1000-memory.dmp

memory/2032-30-0x000007FEFB170000-0x000007FEFB187000-memory.dmp

memory/2032-26-0x000007FEF63A0000-0x000007FEF6656000-memory.dmp

memory/2032-31-0x000007FEFB150000-0x000007FEFB161000-memory.dmp

memory/2032-32-0x000007FEF8460000-0x000007FEF847D000-memory.dmp

memory/2032-33-0x000007FEF8440000-0x000007FEF8451000-memory.dmp

memory/2032-35-0x000007FEF6060000-0x000007FEF626B000-memory.dmp

memory/2032-36-0x000007FEF7680000-0x000007FEF76C1000-memory.dmp

memory/2032-37-0x000007FEF7650000-0x000007FEF7671000-memory.dmp

memory/2032-38-0x000007FEF7630000-0x000007FEF7648000-memory.dmp

memory/2032-39-0x000007FEF7610000-0x000007FEF7621000-memory.dmp

memory/2032-40-0x000007FEF6040000-0x000007FEF6051000-memory.dmp

memory/2032-41-0x000007FEF6020000-0x000007FEF6031000-memory.dmp

memory/2032-42-0x000007FEF6000000-0x000007FEF601B000-memory.dmp

memory/2032-43-0x000007FEF5FE0000-0x000007FEF5FF1000-memory.dmp

memory/2032-44-0x000007FEF5FC0000-0x000007FEF5FD8000-memory.dmp

memory/2032-45-0x000007FEF5F90000-0x000007FEF5FC0000-memory.dmp

memory/2032-46-0x000007FEF5F20000-0x000007FEF5F87000-memory.dmp

memory/2032-34-0x000007FEF4750000-0x000007FEF5800000-memory.dmp

memory/2032-47-0x000007FEF5EA0000-0x000007FEF5F1C000-memory.dmp

memory/2032-48-0x000007FEF5E80000-0x000007FEF5E91000-memory.dmp

memory/2032-49-0x000007FEF5E20000-0x000007FEF5E77000-memory.dmp

memory/2032-50-0x000007FEF5DF0000-0x000007FEF5E18000-memory.dmp

memory/2032-51-0x000007FEF5DC0000-0x000007FEF5DE4000-memory.dmp

memory/2032-52-0x000007FEF5DA0000-0x000007FEF5DB8000-memory.dmp

memory/2032-53-0x000007FEF5D70000-0x000007FEF5D93000-memory.dmp

memory/2032-54-0x000007FEF5D50000-0x000007FEF5D61000-memory.dmp

memory/2032-55-0x000007FEF5D30000-0x000007FEF5D42000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 17:52

Reported

2024-06-13 17:55

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

150s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\Rec-Net-Importer-Main.rar

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Windows\system32\cmd.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings C:\Windows\system32\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: 35 N/A C:\Program Files\7-Zip\7zFM.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3348 wrote to memory of 464 N/A C:\Windows\system32\cmd.exe C:\Program Files\7-Zip\7zFM.exe
PID 3348 wrote to memory of 464 N/A C:\Windows\system32\cmd.exe C:\Program Files\7-Zip\7zFM.exe

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\Rec-Net-Importer-Main.rar

C:\Program Files\7-Zip\7zFM.exe

"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Rec-Net-Importer-Main.rar"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4032 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 13.107.253.67:443 tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 14.179.89.13.in-addr.arpa udp

Files

N/A