Malware Analysis Report

2024-10-16 06:50

Sample ID 240616-p8ed8ayanp
Target temp.exe
SHA256 bafb1d83e7c4921b9c830634638a3ef6ccdf35228906f0aac7694cff21f9dcc8
Tags
themida 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

bafb1d83e7c4921b9c830634638a3ef6ccdf35228906f0aac7694cff21f9dcc8

Threat Level: Likely malicious

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

Malicious Activity Summary

themida evasion trojan

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

Themida packer

Checks BIOS information in registry

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 12:59

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: behavioral1

Detonation Overview

Submitted

2024-06-16 12:59

Reported

2024-06-16 13:02

Platform

win7-20240508-en

Max time kernel

142s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\temp.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\temp.exe N/A

Checks BIOS information in registry

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

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
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\temp.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 gcaimx.net udp

Files

memory/2380-0-0x0000000000120000-0x0000000002074000-memory.dmp

memory/2380-1-0x0000000077024000-0x0000000077025000-memory.dmp

memory/2380-4-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-11-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-17-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-16-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-15-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-14-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-13-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-12-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-10-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-9-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-8-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-7-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-6-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-5-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-22-0x0000000000120000-0x0000000002074000-memory.dmp

memory/2380-23-0x0000000000120000-0x0000000002074000-memory.dmp

memory/2380-24-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-25-0x0000000007110000-0x00000000074E6000-memory.dmp

memory/2380-26-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-27-0x0000000077010000-0x0000000077120000-memory.dmp

memory/2380-29-0x0000000000120000-0x0000000002074000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 12:59

Reported

2024-06-16 13:00

Platform

win10v2004-20240611-en

Max time kernel

31s

Max time network

33s

Command Line

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

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
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\temp.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

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
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 gcaimx.net udp
DE 85.215.158.181:443 gcaimx.net tcp
US 8.8.8.8:53 181.158.215.85.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp

Files

memory/2460-0-0x0000000000F60000-0x0000000002EB4000-memory.dmp

memory/2460-5-0x0000000075E20000-0x0000000075F10000-memory.dmp

memory/2460-4-0x0000000075E20000-0x0000000075F10000-memory.dmp

memory/2460-3-0x0000000075E20000-0x0000000075F10000-memory.dmp

memory/2460-2-0x0000000075E20000-0x0000000075F10000-memory.dmp

memory/2460-1-0x0000000075E40000-0x0000000075E41000-memory.dmp

memory/2460-6-0x0000000075E20000-0x0000000075F10000-memory.dmp

memory/2460-12-0x0000000000F60000-0x0000000002EB4000-memory.dmp

memory/2460-13-0x0000000000F60000-0x0000000002EB4000-memory.dmp

memory/2460-14-0x0000000007470000-0x0000000007A14000-memory.dmp

memory/2460-15-0x0000000006EC0000-0x0000000006F52000-memory.dmp

memory/2460-16-0x0000000007060000-0x0000000007436000-memory.dmp

memory/2460-17-0x0000000007460000-0x000000000746A000-memory.dmp

memory/2460-18-0x0000000075E20000-0x0000000075F10000-memory.dmp

memory/2460-19-0x0000000014750000-0x00000000147EC000-memory.dmp

memory/2460-21-0x0000000000F60000-0x0000000002EB4000-memory.dmp

memory/2460-23-0x0000000075E40000-0x0000000075E41000-memory.dmp

memory/2460-24-0x0000000075E20000-0x0000000075F10000-memory.dmp

memory/2460-25-0x0000000075E20000-0x0000000075F10000-memory.dmp

memory/2460-26-0x0000000075E20000-0x0000000075F10000-memory.dmp

memory/2460-27-0x0000000075E20000-0x0000000075F10000-memory.dmp