Malware Analysis Report

2025-03-14 22:32

Sample ID 240304-rpshvacc7v
Target celexware.exe
SHA256 93d56ae3cfd23844f73cf29de772a83a7e40854e85c932c010577b6dfb9a6333
Tags
evasion persistence themida trojan
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

93d56ae3cfd23844f73cf29de772a83a7e40854e85c932c010577b6dfb9a6333

Threat Level: Likely malicious

The file celexware.exe was found to be: Likely malicious.

Malicious Activity Summary

evasion persistence themida trojan

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Sets service image path in registry

Checks BIOS information in registry

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: LoadsDriver

Suspicious use of AdjustPrivilegeToken

Modifies system certificate store

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-04 14:22

Signatures

Themida packer

themida
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: behavioral2

Detonation Overview

Submitted

2024-03-04 14:22

Reported

2024-04-07 19:10

Platform

win10v2004-20240226-en

Max time kernel

145s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\celexware.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\frAQBc8Wsa1xVPfv\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\frAQBc8Wsa1xVPfv" C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Themida packer

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

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\celexware.exe

"C:\Users\Admin\AppData\Local\Temp\celexware.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 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 clientsettingscdn.roblox.com udp
BE 104.68.69.233:443 clientsettingscdn.roblox.com tcp
US 8.8.8.8:53 233.69.68.104.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp

Files

memory/2000-0-0x00007FF72DBE0000-0x00007FF72E69B000-memory.dmp

memory/2000-1-0x00007FFD48330000-0x00007FFD48525000-memory.dmp

memory/2000-2-0x00007FF72DBE0000-0x00007FF72E69B000-memory.dmp

memory/2000-3-0x00007FF72DBE0000-0x00007FF72E69B000-memory.dmp

memory/2000-4-0x00007FF72DBE0000-0x00007FF72E69B000-memory.dmp

memory/2000-5-0x00007FF72DBE0000-0x00007FF72E69B000-memory.dmp

memory/2000-6-0x00007FF72DBE0000-0x00007FF72E69B000-memory.dmp

memory/2000-7-0x00007FF72DBE0000-0x00007FF72E69B000-memory.dmp

memory/2000-8-0x00007FF72DBE0000-0x00007FF72E69B000-memory.dmp

memory/2000-14-0x00007FF72DBE0000-0x00007FF72E69B000-memory.dmp

memory/2000-17-0x00007FF72DBE0000-0x00007FF72E69B000-memory.dmp

memory/2000-18-0x00007FFD48330000-0x00007FFD48525000-memory.dmp

memory/2000-19-0x00007FF72DBE0000-0x00007FF72E69B000-memory.dmp

memory/2000-20-0x00007FFD48330000-0x00007FFD48525000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-04 14:22

Reported

2024-04-07 19:10

Platform

win7-20240215-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\celexware.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\frAQBc8Wsa1xVPfv\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\frAQBc8Wsa1xVPfv" C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
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Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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 C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\celexware.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\celexware.exe

"C:\Users\Admin\AppData\Local\Temp\celexware.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 clientsettingscdn.roblox.com udp
BE 104.68.69.233:443 clientsettingscdn.roblox.com tcp

Files

memory/2204-0-0x000000013F5A0000-0x000000014005B000-memory.dmp

memory/2204-1-0x0000000077070000-0x0000000077219000-memory.dmp

memory/2204-2-0x000000013F5A0000-0x000000014005B000-memory.dmp

memory/2204-3-0x000000013F5A0000-0x000000014005B000-memory.dmp

memory/2204-4-0x000000013F5A0000-0x000000014005B000-memory.dmp

memory/2204-5-0x000000013F5A0000-0x000000014005B000-memory.dmp

memory/2204-6-0x000000013F5A0000-0x000000014005B000-memory.dmp

memory/2204-7-0x000000013F5A0000-0x000000014005B000-memory.dmp

memory/2204-8-0x000000013F5A0000-0x000000014005B000-memory.dmp

memory/2204-23-0x000000013F5A0000-0x000000014005B000-memory.dmp

memory/2204-25-0x000000013F5A0000-0x000000014005B000-memory.dmp

memory/2204-26-0x0000000077070000-0x0000000077219000-memory.dmp