Malware Analysis Report

2025-08-05 18:14

Sample ID 241117-rzrz3awpeq
Target UA.exe
SHA256 bcd658522045492bd070705cfc6cd0cc089cf420956fa8cdd3a196be29e25574
Tags
evasion trojan
score
9/10

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
9/10

SHA256

bcd658522045492bd070705cfc6cd0cc089cf420956fa8cdd3a196be29e25574

Threat Level: Likely malicious

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

Malicious Activity Summary

evasion trojan

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

Checks BIOS information in registry

Checks whether UAC is enabled

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 14:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 14:38

Reported

2024-11-17 14:40

Platform

win7-20241010-en

Max time kernel

74s

Max time network

20s

Command Line

"C:\Users\Admin\AppData\Local\Temp\UA.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\UA.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\UA.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\UA.exe 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\UA.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2444} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-UPDATE} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A

Suspicious behavior: RenamesItself

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

Processes

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

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

Network

N/A

Files

memory/1740-1-0x0000000077C30000-0x0000000077C32000-memory.dmp

memory/1740-0-0x0000000140000000-0x0000000142962000-memory.dmp

memory/1740-3-0x0000000140000000-0x0000000142962000-memory.dmp

memory/1740-2-0x0000000140000000-0x0000000142962000-memory.dmp

memory/1740-4-0x0000000140000000-0x0000000142962000-memory.dmp

memory/1740-5-0x0000000140000000-0x0000000142962000-memory.dmp

memory/1740-6-0x0000000140000000-0x0000000142962000-memory.dmp

memory/1740-8-0x0000000140000000-0x0000000142962000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 14:38

Reported

2024-11-17 14:40

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\UA.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\UA.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\UA.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\UA.exe 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\UA.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2444} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A
File opened for modification C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2879} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A
File opened for modification C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2859} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A
File opened for modification C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2869} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A
File opened for modification C:\Windows\System32\IME\IMETC\{69CD1F2D-DF68-4E23-9108-1B70783F2879} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A
File opened for modification C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2899} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-1B70783F2893} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A
File opened for modification C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-1B70783F2892} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A
File opened for modification C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-1B70783F2859} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A
File opened for modification C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-UPDATE} C:\Users\Admin\AppData\Local\Temp\UA.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.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 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp

Files

memory/2836-0-0x0000000140000000-0x0000000142962000-memory.dmp

memory/2836-1-0x00007FFDBA810000-0x00007FFDBA812000-memory.dmp

memory/2836-2-0x0000000140000000-0x0000000142962000-memory.dmp

memory/2836-3-0x0000000140000000-0x0000000142962000-memory.dmp

memory/2836-4-0x0000000140000000-0x0000000142962000-memory.dmp

memory/2836-5-0x0000000140000000-0x0000000142962000-memory.dmp