Malware Analysis Report

2024-10-10 07:58

Sample ID 240614-t3p1zsycje
Target WbcQiO4C (1).exe
SHA256 b0c7aed859e3692aa00a30ecd3fd40cec9a588205c0c139571b49a1db28e5579
Tags
evasion themida 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

b0c7aed859e3692aa00a30ecd3fd40cec9a588205c0c139571b49a1db28e5579

Threat Level: Likely malicious

The file WbcQiO4C (1).exe was found to be: Likely malicious.

Malicious Activity Summary

evasion themida 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 behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-14 16:35

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

2024-06-14 16:35

Reported

2024-06-14 16:37

Platform

win7-20240220-en

Max time kernel

141s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).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\WbcQiO4C (1).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\WbcQiO4C (1).exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).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
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N/A N/A N/A N/A
N/A N/A N/A N/A
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\WbcQiO4C (1).exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).exe

"C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 minke.club udp
US 172.67.193.211:80 minke.club tcp

Files

memory/2080-1-0x0000000077110000-0x0000000077112000-memory.dmp

memory/2080-0-0x000000013F4B0000-0x0000000140AD4000-memory.dmp

memory/2080-2-0x000000013F4B0000-0x0000000140AD4000-memory.dmp

memory/2080-3-0x000000013F4B0000-0x0000000140AD4000-memory.dmp

memory/2080-4-0x000000013F4B0000-0x0000000140AD4000-memory.dmp

memory/2080-6-0x000000013F4B0000-0x0000000140AD4000-memory.dmp

memory/2080-7-0x000000013F4B0000-0x0000000140AD4000-memory.dmp

memory/2080-5-0x000000013F4B0000-0x0000000140AD4000-memory.dmp

memory/2080-9-0x000000013F4B0000-0x0000000140AD4000-memory.dmp

memory/2080-8-0x000000013F4B0000-0x0000000140AD4000-memory.dmp

memory/2080-10-0x000000013F4B0000-0x0000000140AD4000-memory.dmp

memory/2080-19-0x000000013F4B0000-0x0000000140AD4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 16:35

Reported

2024-06-14 16:37

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).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\WbcQiO4C (1).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\WbcQiO4C (1).exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).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
N/A N/A N/A N/A
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N/A N/A N/A N/A
N/A N/A N/A N/A
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\WbcQiO4C (1).exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).exe

"C:\Users\Admin\AppData\Local\Temp\WbcQiO4C (1).exe"

Network

Country Destination Domain Proto
BE 2.17.107.203:80 tcp
US 8.8.8.8:53 minke.club udp
US 104.21.76.113:80 minke.club tcp
US 8.8.8.8:53 113.76.21.104.in-addr.arpa udp
US 8.8.8.8:53 91.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.129:443 www.bing.com tcp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 129.61.62.23.in-addr.arpa udp

Files

memory/1052-0-0x00007FF6EA7E0000-0x00007FF6EBE04000-memory.dmp

memory/1052-1-0x00007FFA3E8D0000-0x00007FFA3E8D2000-memory.dmp

memory/1052-2-0x00007FF6EA7E0000-0x00007FF6EBE04000-memory.dmp

memory/1052-5-0x00007FF6EA7E0000-0x00007FF6EBE04000-memory.dmp

memory/1052-4-0x00007FF6EA7E0000-0x00007FF6EBE04000-memory.dmp

memory/1052-3-0x00007FF6EA7E0000-0x00007FF6EBE04000-memory.dmp

memory/1052-7-0x00007FF6EA7E0000-0x00007FF6EBE04000-memory.dmp

memory/1052-6-0x00007FF6EA7E0000-0x00007FF6EBE04000-memory.dmp

memory/1052-10-0x00007FF6EA7E0000-0x00007FF6EBE04000-memory.dmp

memory/1052-9-0x00007FF6EA7E0000-0x00007FF6EBE04000-memory.dmp

memory/1052-8-0x00007FF6EA7E0000-0x00007FF6EBE04000-memory.dmp

memory/1052-11-0x00007FF6EA7E0000-0x00007FF6EBE04000-memory.dmp