Malware Analysis Report

2024-10-16 03:30

Sample ID 240815-xwwfzayeqf
Target 9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118
SHA256 c6f8d3f6b13d73c90555e6838f98be1f35058276162be8fc58b74d6297575037
Tags
banload discovery downloader dropper evasion trojan
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

c6f8d3f6b13d73c90555e6838f98be1f35058276162be8fc58b74d6297575037

Threat Level: Known bad

The file 9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

banload discovery downloader dropper evasion trojan

Banload

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

Checks BIOS information in registry

System Location Discovery: System Language Discovery

Modifies registry class

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-15 19:12

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-15 19:12

Reported

2024-08-15 19:15

Platform

win7-20240708-en

Max time kernel

140s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe"

Signatures

Banload

trojan dropper downloader banload

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\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048} C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048}\ = "PSFactoryBuffer" C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048}\InProcServer32\ = "C:\\Windows\\SysWOW64\\msscp.dll" C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048}\InProcServer32\ThreadingModel = "Both" C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe"

Network

Country Destination Domain Proto
CN 111.177.22.117:6000 tcp
CN 111.177.22.117:6000 tcp
CN 111.177.22.117:6000 tcp
CN 111.177.22.117:6000 tcp
CN 111.177.22.117:6000 tcp

Files

memory/1208-0-0x0000000000400000-0x0000000000612000-memory.dmp

memory/1208-1-0x0000000002840000-0x0000000002A4C000-memory.dmp

memory/1208-8-0x0000000002840000-0x0000000002A4C000-memory.dmp

memory/1208-11-0x0000000000400000-0x0000000000612000-memory.dmp

memory/1208-12-0x0000000000400000-0x0000000000612000-memory.dmp

memory/1208-14-0x0000000000400000-0x0000000000612000-memory.dmp

memory/1208-15-0x0000000002840000-0x0000000002A4C000-memory.dmp

memory/1208-13-0x0000000000400000-0x0000000000612000-memory.dmp

memory/1208-16-0x0000000010000000-0x000000001000A000-memory.dmp

memory/1208-19-0x0000000002840000-0x0000000002A4C000-memory.dmp

memory/1208-20-0x0000000002840000-0x0000000002A4C000-memory.dmp

memory/1208-21-0x0000000000400000-0x0000000000612000-memory.dmp

memory/1208-23-0x0000000002840000-0x0000000002A4C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-15 19:12

Reported

2024-08-15 19:15

Platform

win10v2004-20240802-en

Max time kernel

140s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe"

Signatures

Banload

trojan dropper downloader banload

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\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.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\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048}\ = "EapQecMessenger" C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048}\AppID = "{0A886F29-465A-4aea-8B8E-BE926BFAE83E}" C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048}\ThreadingModel = "Free" C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048} C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9b471bdd66dec8540b8d3ab725061e3d_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 22.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
CN 111.177.22.117:6000 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
CN 111.177.22.117:6000 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 233.143.123.92.in-addr.arpa udp
CN 111.177.22.117:6000 tcp
CN 111.177.22.117:6000 tcp
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 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
CN 111.177.22.117:6000 tcp

Files

memory/4512-0-0x0000000000400000-0x0000000000612000-memory.dmp

memory/4512-2-0x00000000029A0000-0x0000000002BAC000-memory.dmp

memory/4512-9-0x00000000029A0000-0x0000000002BAC000-memory.dmp

memory/4512-13-0x0000000000400000-0x0000000000612000-memory.dmp

memory/4512-14-0x0000000000400000-0x0000000000612000-memory.dmp

memory/4512-16-0x00000000029A0000-0x0000000002BAC000-memory.dmp

memory/4512-15-0x0000000000400000-0x0000000000612000-memory.dmp

memory/4512-12-0x0000000000400000-0x0000000000612000-memory.dmp

memory/4512-17-0x0000000010000000-0x000000001000A000-memory.dmp

memory/4512-20-0x00000000029A0000-0x0000000002BAC000-memory.dmp

memory/4512-21-0x00000000029A0000-0x0000000002BAC000-memory.dmp

memory/4512-22-0x0000000000400000-0x0000000000612000-memory.dmp

memory/4512-24-0x00000000029A0000-0x0000000002BAC000-memory.dmp