Malware Analysis Report

2025-06-16 06:57

Sample ID 241104-bg5kfazbme
Target 8e66b778d5154aafb8316f02078449ff_JaffaCakes118
SHA256 faf554aaeb94ab70924e877c72e49ca7dd40781cd912152b66425b702b8dd3b1
Tags
discovery evasion persistence 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

faf554aaeb94ab70924e877c72e49ca7dd40781cd912152b66425b702b8dd3b1

Threat Level: Known bad

The file 8e66b778d5154aafb8316f02078449ff_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

discovery evasion persistence trojan

Windows security bypass

UAC bypass

Disables taskbar notifications via registry modification

Windows security modification

Adds Run key to start application

Checks whether UAC is enabled

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

System policy modification

Suspicious use of SetWindowsHookEx

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 01:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 01:07

Reported

2024-11-04 03:26

Platform

win7-20240903-en

Max time kernel

148s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe"

Signatures

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\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A

Disables taskbar notifications via registry modification

evasion

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Security Center\svc C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\svc C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\DisableAntiSpyware = "1" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\A2DBCF170045EF491BE224D0F875EF60 = "C:\\ProgramData\\A2DBCF170045EF491BE224D0F875EF60\\A2DBCF170045EF491BE224D0F875EF60.exe" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_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\8e66b778d5154aafb8316f02078449ff_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\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
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Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A

System policy modification

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe"

Network

Country Destination Domain Proto
HK 112.121.178.189:80 tcp
HK 112.121.178.189:80 tcp

Files

memory/2940-2-0x0000000000400000-0x00000000004CA000-memory.dmp

memory/2940-1-0x0000000000400000-0x00000000004CA000-memory.dmp

memory/2940-0-0x0000000000220000-0x0000000000225000-memory.dmp

memory/2940-3-0x0000000000400000-0x00000000004CA000-memory.dmp

memory/2940-6-0x0000000000400000-0x00000000004CA000-memory.dmp

memory/2940-9-0x0000000000400000-0x00000000004CA000-memory.dmp

memory/2940-13-0x0000000000400000-0x00000000004CA000-memory.dmp

memory/2940-17-0x0000000000400000-0x00000000004CA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 01:07

Reported

2024-11-04 03:31

Platform

win10v2004-20241007-en

Max time kernel

138s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe"

Signatures

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\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e66b778d5154aafb8316f02078449ff_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1036 -ip 1036

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 504

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 73.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 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

Files

memory/1036-0-0x0000000000730000-0x0000000000735000-memory.dmp

memory/1036-1-0x0000000000400000-0x00000000004CA000-memory.dmp