Malware Analysis Report

2024-09-11 13:00

Sample ID 240613-1885dasenf
Target a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118
SHA256 22885d455f94c10b96045d57024196d3c89fee9ed7eedce0b85b843df63e81e2
Tags
evasion trojan
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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
6/10

SHA256

22885d455f94c10b96045d57024196d3c89fee9ed7eedce0b85b843df63e81e2

Threat Level: Shows suspicious behavior

The file a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

evasion trojan

Checks whether UAC is enabled

Program crash

Unsigned PE

Enumerates physical storage devices

Modifies Internet Explorer settings

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-13 22:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 22:20

Reported

2024-06-13 22:22

Platform

win7-20240220-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe"

Signatures

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 stiekehelp.gameassists.co.uk udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 22:20

Reported

2024-06-13 22:22

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe"

Signatures

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\IESettingSync C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a6da4115821a1385e2ee9b2763de95f4_JaffaCakes118.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4220,i,16488180140590516186,11762960689811837350,262144 --variations-seed-version --mojo-platform-channel-handle=1280 /prefetch:8

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2748 -ip 2748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 2312

Network

Country Destination Domain Proto
US 8.8.8.8:53 stiekehelp.gameassists.co.uk udp
US 8.8.8.8:53 roxypalace.mgsmup.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 pcm3.valueactive.eu udp
N/A 255.255.255.255:80 udp

Files

N/A