Malware Analysis Report

2024-11-16 13:12

Sample ID 240625-bcv57svepn
Target 0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118
SHA256 4fe27b6ea699226f8504413e8a13f93967b966a3aef5ebd735c098048b59038b
Tags
sality backdoor upx 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

4fe27b6ea699226f8504413e8a13f93967b966a3aef5ebd735c098048b59038b

Threat Level: Known bad

The file 0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

sality backdoor upx evasion trojan

UAC bypass

Windows security bypass

Sality

Modifies firewall policy service

UPX packed file

Windows security modification

Checks whether UAC is enabled

Drops file in System32 directory

Unsigned PE

System policy modification

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 01:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 01:00

Reported

2024-06-25 01:03

Platform

win7-20240508-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe"

Signatures

Sality

backdoor sality

UPX packed file

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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\mapi32.dll C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe"

Network

N/A

Files

memory/1776-0-0x0000000001000000-0x0000000001014000-memory.dmp

memory/1776-2-0x0000000001000000-0x0000000001014000-memory.dmp

memory/1776-3-0x0000000002420000-0x00000000034DA000-memory.dmp

memory/1776-4-0x0000000002420000-0x00000000034DA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 01:00

Reported

2024-06-25 01:03

Platform

win10v2004-20240611-en

Max time kernel

139s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe"

Signatures

Modifies firewall policy service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A

Sality

backdoor sality

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A

UPX packed file

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

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\mapi32.dll C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0baac33a15abe2d0b1c49310c6de9e3b_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 31.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/712-0-0x0000000001000000-0x0000000001014000-memory.dmp

memory/712-1-0x0000000002430000-0x00000000034EA000-memory.dmp

memory/712-2-0x0000000001000000-0x0000000001014000-memory.dmp

memory/712-3-0x0000000002430000-0x00000000034EA000-memory.dmp