Malware Analysis Report

2025-08-11 00:04

Sample ID 240525-2ljrmsda8t
Target 737aba04a8eb56c440d14f45984ba3da_JaffaCakes118
SHA256 54a26ab886a8ccc4b72be7dd4b1c6a55eadb820f3a75952bbaa90f754dcea25d
Tags
discovery evasion persistence trojan
score
7/10

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
7/10

SHA256

54a26ab886a8ccc4b72be7dd4b1c6a55eadb820f3a75952bbaa90f754dcea25d

Threat Level: Shows suspicious behavior

The file 737aba04a8eb56c440d14f45984ba3da_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion persistence trojan

Registers COM server for autorun

Checks installed software on the system

Checks whether UAC is enabled

Unsigned PE

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Modifies registry class

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-25 22:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-25 22:40

Reported

2024-05-25 22:42

Platform

win7-20240508-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe"

Signatures

Registers COM server for autorun

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A

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\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0 C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32 C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040} C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\ = "JSIELib" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS\ = "0" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\ = "TinyJSObject Class" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0 C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib\ = "{7E77E9F2-D76B-4D54-B515-9A7F93DF03DF}" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Programmable C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5} C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version\ = "1.0" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_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

Files

memory/1300-2-0x0000000000CD0000-0x0000000000E15000-memory.dmp

memory/1300-11-0x0000000000CD0000-0x0000000000E15000-memory.dmp

memory/1300-10-0x0000000000CD0000-0x0000000000E15000-memory.dmp

memory/1300-9-0x0000000000CD0000-0x0000000000E15000-memory.dmp

memory/1300-13-0x0000000000180000-0x0000000000181000-memory.dmp

memory/1300-15-0x0000000000180000-0x0000000000181000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-25 22:40

Reported

2024-05-25 22:42

Platform

win10v2004-20240508-en

Max time kernel

132s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\737aba04a8eb56c440d14f45984ba3da_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4828-2-0x00000000025C0000-0x0000000002705000-memory.dmp

memory/4828-9-0x00000000025C0000-0x0000000002705000-memory.dmp