Malware Analysis Report

2025-03-15 08:30

Sample ID 250225-vp2y3aykv8
Target cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684
SHA256 cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684
Tags
banload downloader dropper trojan persistence privilege_escalation
score
10/10

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
10/10

SHA256

cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684

Threat Level: Known bad

The file cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684 was found to be: Known bad.

Malicious Activity Summary

banload downloader dropper trojan persistence privilege_escalation

Banload

Banload family

Event Triggered Execution: Component Object Model Hijacking

Checks BIOS information in registry

Unsigned PE

Modifies registry class

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-25 17:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-25 17:10

Reported

2025-02-25 17:13

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe"

Signatures

Banload

trojan dropper downloader banload

Banload family

banload

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{541EFA71-DA7B-AD33-A254-144AF5C89BCC} C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{541EFA71-DA7B-AD33-A254-144AF5C89BCC}\PersistentHandler C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{541EFA71-DA7B-AD33-A254-144AF5C89BCC}\PersistentHandler\ = "{98de59a0-d175-11cd-a7bd-00006b827d94}" C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe

"C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe"

Network

N/A

Files

memory/1804-0-0x00000000023A0000-0x000000000258A000-memory.dmp

memory/1804-7-0x00000000023A0000-0x000000000258A000-memory.dmp

memory/1804-13-0x0000000140000000-0x000000014048E000-memory.dmp

memory/1804-15-0x00000000023A0000-0x000000000258A000-memory.dmp

memory/1804-17-0x0000000001CD0000-0x0000000001CD1000-memory.dmp

memory/1804-12-0x0000000140000000-0x000000014048E000-memory.dmp

memory/1804-14-0x0000000140000000-0x000000014048E000-memory.dmp

memory/1804-18-0x00000000023A0000-0x000000000258A000-memory.dmp

memory/1804-20-0x0000000140000000-0x000000014048E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-02-25 17:10

Reported

2025-02-25 17:13

Platform

win10v2004-20250217-en

Max time kernel

134s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe"

Signatures

Banload

trojan dropper downloader banload

Banload family

banload

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A

Event Triggered Execution: Component Object Model Hijacking

persistence privilege_escalation

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{541EFA71-DA7B-AD33-A254-144AF5C89BCC}\Containers C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{541EFA71-DA7B-AD33-A254-144AF5C89BCC}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{541EFA71-DA7B-AD33-A254-144AF5C89BCC}\InProcServer32\ = "%SystemRoot%\\system32\\windowscodecs.dll" C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{541EFA71-DA7B-AD33-A254-144AF5C89BCC}\InProcServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{541EFA71-DA7B-AD33-A254-144AF5C89BCC} C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe

"C:\Users\Admin\AppData\Local\Temp\cfbc20edba3186d9cae93af638ed9335714d41970439a9ec057352cc7706f684.exe"

Network

Country Destination Domain Proto
US 52.168.117.168:443 tcp
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 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/2564-1-0x00000000026A0000-0x000000000288A000-memory.dmp

memory/2564-7-0x00000000026A0000-0x000000000288A000-memory.dmp

memory/2564-12-0x0000000140000000-0x000000014048E000-memory.dmp

memory/2564-14-0x0000000140000000-0x000000014048E000-memory.dmp

memory/2564-13-0x0000000140000000-0x000000014048E000-memory.dmp

memory/2564-15-0x00000000026A0000-0x000000000288A000-memory.dmp

memory/2564-17-0x0000000002690000-0x0000000002691000-memory.dmp

memory/2564-18-0x00000000026A0000-0x000000000288A000-memory.dmp

memory/2564-20-0x0000000140000000-0x000000014048E000-memory.dmp