Malware Analysis Report

2024-09-09 18:09

Sample ID 240618-rj8mwaxbqa
Target bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118
SHA256 3ee9446317071ade4a37d2c4cdf0db3cbec1ad65b3a259c6113fe93269f32cb9
Tags
discovery evasion persistence privilege_escalation trojan
score
7/10

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
7/10

SHA256

3ee9446317071ade4a37d2c4cdf0db3cbec1ad65b3a259c6113fe93269f32cb9

Threat Level: Shows suspicious behavior

The file bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion persistence privilege_escalation trojan

Event Triggered Execution: Component Object Model Hijacking

Checks installed software on the system

Checks whether UAC is enabled

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Modifies registry class

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-18 14:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-18 14:14

Reported

2024-06-18 14:17

Platform

win7-20240220-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe"

Signatures

Event Triggered Execution: Component Object Model Hijacking

persistence privilege_escalation

Checks installed software on the system

discovery

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\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A

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\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32 C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS\ = "0" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5} C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\ = "TinyJSObject Class" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version\ = "1.0" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0 C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib\ = "{7E77E9F2-D76B-4D54-B515-9A7F93DF03DF}" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0 C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Programmable C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040} C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\ = "JSIELib" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}" C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 c1.allocal.info udp
US 8.8.8.8:53 r1.joburnt.net udp
US 8.8.8.8:53 c2.allocal.info udp
US 8.8.8.8:53 r2.joburnt.net udp

Files

memory/2036-2-0x00000000020D0000-0x0000000002256000-memory.dmp

memory/2036-11-0x00000000020D0000-0x0000000002256000-memory.dmp

memory/2036-10-0x00000000020D0000-0x0000000002256000-memory.dmp

memory/2036-9-0x00000000020D0000-0x0000000002256000-memory.dmp

memory/2036-12-0x0000000000410000-0x0000000000411000-memory.dmp

memory/2036-14-0x0000000000410000-0x0000000000411000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 14:14

Reported

2024-06-18 14:17

Platform

win10v2004-20240611-en

Max time kernel

93s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bc5ec34a555a51850cfe6f4b558a763e_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
BE 88.221.83.211:443 www.bing.com tcp
US 8.8.8.8:53 211.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 10.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/700-2-0x0000000002A20000-0x0000000002BA6000-memory.dmp

memory/700-9-0x0000000002A20000-0x0000000002BA6000-memory.dmp