Malware Analysis Report

2024-10-16 07:00

Sample ID 240609-f9n6daec6y
Target ebad1f6a6d31d3bc41c4dd032c65b5a9.bin
SHA256 36316d947ad6892d08d04e0508b0cc08640f64e3b22b7e28c0830862cd9a151b
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

36316d947ad6892d08d04e0508b0cc08640f64e3b22b7e28c0830862cd9a151b

Threat Level: Likely malicious

The file ebad1f6a6d31d3bc41c4dd032c65b5a9.bin was found to be: Likely malicious.

Malicious Activity Summary

themida evasion trojan

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

Checks BIOS information in registry

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-09 05:34

Signatures

Themida packer

themida
Description Indicator Process Target
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Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-06-09 05:34

Reported

2024-06-09 05:37

Platform

win7-20240221-en

Max time kernel

140s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ebad1f6a6d31d3bc41c4dd032c65b5a9.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\ebad1f6a6d31d3bc41c4dd032c65b5a9.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\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe N/A

Themida packer

themida
Description Indicator Process Target
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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\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe

"C:\Users\Admin\AppData\Local\Temp\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe"

Network

N/A

Files

memory/1228-1-0x0000000077550000-0x0000000077552000-memory.dmp

memory/1228-0-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-2-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-4-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-6-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-5-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-3-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-8-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-7-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-9-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-10-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-11-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-12-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-13-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-14-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-15-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-16-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-17-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-18-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-19-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-20-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-21-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-22-0x000000013F540000-0x000000013FF7D000-memory.dmp

memory/1228-23-0x000000013F540000-0x000000013FF7D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-09 05:34

Reported

2024-06-09 05:37

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ebad1f6a6d31d3bc41c4dd032c65b5a9.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\ebad1f6a6d31d3bc41c4dd032c65b5a9.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\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe N/A

Themida packer

themida
Description Indicator Process Target
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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\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe

"C:\Users\Admin\AppData\Local\Temp\ebad1f6a6d31d3bc41c4dd032c65b5a9.exe"

C:\Windows\system32\AUDIODG.EXE

C:\Windows\system32\AUDIODG.EXE 0x2f8 0x2f4

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=3688 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 215.169.36.23.in-addr.arpa udp
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 94.65.42.20.in-addr.arpa udp

Files

memory/3452-0-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-1-0x00007FF9A67D0000-0x00007FF9A67D2000-memory.dmp

memory/3452-3-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-2-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-4-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-6-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-5-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-7-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-8-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-9-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-10-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-11-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-12-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-13-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-14-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-15-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-16-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-17-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-18-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-19-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-20-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-21-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-22-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp

memory/3452-23-0x00007FF7ED120000-0x00007FF7EDB5D000-memory.dmp