Malware Analysis Report

2024-11-16 13:58

Sample ID 240621-bsz44avbrf
Target SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe
SHA256 86927f648f0d0bfe3653ef5a4f8a8fe4dfbe650bd2698638e9c54435b6e5ccef
Tags
blackmoon banker bootkit evasion persistence themida trojan
score
10/10

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
10/10

SHA256

86927f648f0d0bfe3653ef5a4f8a8fe4dfbe650bd2698638e9c54435b6e5ccef

Threat Level: Known bad

The file SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe was found to be: Known bad.

Malicious Activity Summary

blackmoon banker bootkit evasion persistence themida trojan

Blackmoon, KrBanker

Detect Blackmoon payload

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

Themida packer

Checks BIOS information in registry

Writes to the Master Boot Record (MBR)

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-21 01:25

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

2024-06-21 01:25

Reported

2024-06-21 01:27

Platform

win10v2004-20240611-en

Max time kernel

141s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

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

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\SecuriteInfo.com.Win32.Evo-gen.7754.14556.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\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.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
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\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.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 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4804-1-0x0000000077674000-0x0000000077676000-memory.dmp

memory/4804-0-0x0000000000400000-0x0000000001B7F000-memory.dmp

memory/4804-2-0x0000000000400000-0x0000000001B7F000-memory.dmp

memory/4804-3-0x0000000000400000-0x0000000001B7F000-memory.dmp

memory/4804-5-0x00000000044A0000-0x00000000044A1000-memory.dmp

memory/4804-6-0x0000000005FA0000-0x0000000005FA1000-memory.dmp

memory/4804-7-0x0000000000400000-0x0000000001B7F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-21 01:25

Reported

2024-06-21 01:27

Platform

win7-20240508-en

Max time kernel

142s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

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

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\SecuriteInfo.com.Win32.Evo-gen.7754.14556.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\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.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
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\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Evo-gen.7754.14556.exe"

Network

N/A

Files

memory/2408-0-0x0000000000400000-0x0000000001B7F000-memory.dmp

memory/2408-1-0x0000000077A80000-0x0000000077A82000-memory.dmp

memory/2408-2-0x0000000000400000-0x0000000001B7F000-memory.dmp

memory/2408-3-0x0000000000400000-0x0000000001B7F000-memory.dmp

memory/2408-5-0x0000000003E40000-0x0000000003E50000-memory.dmp

memory/2408-6-0x0000000003E40000-0x0000000003E41000-memory.dmp

memory/2408-7-0x00000000044A0000-0x00000000044A1000-memory.dmp

memory/2408-8-0x0000000000400000-0x0000000001B7F000-memory.dmp

memory/2408-10-0x0000000003E40000-0x0000000003E50000-memory.dmp

memory/2408-19-0x0000000000400000-0x0000000001B7F000-memory.dmp