Malware Analysis Report

2024-11-16 13:21

Sample ID 240613-gcq45swcrc
Target a4078862a4f7927804c105f953403fe2_JaffaCakes118
SHA256 cb8af09bb66eae17b2ca6bc7f617682cc03f2da96fd4165aa69d9f4f5ec9eb46
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

cb8af09bb66eae17b2ca6bc7f617682cc03f2da96fd4165aa69d9f4f5ec9eb46

Threat Level: Shows suspicious behavior

The file a4078862a4f7927804c105f953403fe2_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 AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 05:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 05:39

Reported

2024-06-13 05:42

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe"

Signatures

Registers COM server for autorun

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_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\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0 C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Programmable C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib\ = "{7E77E9F2-D76B-4D54-B515-9A7F93DF03DF}" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version\ = "1.0" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\TypeLib C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\ = "JSIELib" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS\ = "0" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0 C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040} C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5} C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32 C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\ = "TinyJSObject Class" C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Wow6432Node\Interface C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\Interface C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe"

Network

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

Files

memory/1852-2-0x0000000002090000-0x00000000021D5000-memory.dmp

memory/1852-11-0x0000000002090000-0x00000000021D5000-memory.dmp

memory/1852-10-0x0000000002090000-0x00000000021D5000-memory.dmp

memory/1852-9-0x0000000002090000-0x00000000021D5000-memory.dmp

memory/1852-13-0x0000000000210000-0x0000000000211000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 05:39

Reported

2024-06-13 05:42

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a4078862a4f7927804c105f953403fe2_JaffaCakes118.exe"

Network

Files

memory/2396-2-0x0000000002AE0000-0x0000000002C25000-memory.dmp

memory/2396-9-0x0000000002AE0000-0x0000000002C25000-memory.dmp