Malware Analysis Report

2025-03-15 00:51

Sample ID 240626-qj76nswdph
Target 121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118
SHA256 ec4e973340a55cb9527ca9dfdccab140fdd5877b5d9d421c5e87f3b1c84dc445
Tags
defense_evasion evasion persistence
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

ec4e973340a55cb9527ca9dfdccab140fdd5877b5d9d421c5e87f3b1c84dc445

Threat Level: Known bad

The file 121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

defense_evasion evasion persistence

Modifies WinLogon for persistence

Disables Task Manager via registry modification

Impair Defenses: Safe Mode Boot

Modifies WinLogon

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-26 13:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-26 13:18

Reported

2024-06-26 13:21

Platform

win7-20240611-en

Max time kernel

145s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A

Disables Task Manager via registry modification

evasion

Impair Defenses: Safe Mode Boot

defense_evasion
Description Indicator Process Target
Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A
Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A
Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A

Modifies WinLogon

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe"

Network

N/A

Files

memory/2112-0-0x0000000000400000-0x0000000000444000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 13:18

Reported

2024-06-26 13:21

Platform

win10v2004-20240611-en

Max time kernel

145s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A

Disables Task Manager via registry modification

evasion

Impair Defenses: Safe Mode Boot

defense_evasion
Description Indicator Process Target
Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A
Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\iai2c.sys C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A
Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\CBDHSvc C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A
Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\UserManager C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A
Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\SerCx2.sys C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A
Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A

Modifies WinLogon

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\121a1725c5a9c4ca2310aa896a3dd8f8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.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 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/2552-0-0x0000000000400000-0x0000000000444000-memory.dmp