Malware Analysis Report

2024-11-16 13:21

Sample ID 240614-d2b5qsxdrq
Target a7db11afd36eaf4be9e257b107c77001_JaffaCakes118
SHA256 0b55febdfda69e49ae860a8eda8d85875b364d4fa8db53a1f5e783202ed0199f
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

0b55febdfda69e49ae860a8eda8d85875b364d4fa8db53a1f5e783202ed0199f

Threat Level: Shows suspicious behavior

The file a7db11afd36eaf4be9e257b107c77001_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

Modifies Internet Explorer settings

Modifies registry class

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-14 03:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 03:29

Reported

2024-06-14 03:32

Platform

win7-20240611-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe"

Signatures

Registers COM server for autorun

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040} C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Programmable C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject" C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0 C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_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\\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5} C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\ = "TinyJSObject Class" C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version\ = "1.0" C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib\ = "{7E77E9F2-D76B-4D54-B515-9A7F93DF03DF}" C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_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\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_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/1748-2-0x00000000021E0000-0x0000000002362000-memory.dmp

memory/1748-9-0x00000000021E0000-0x0000000002362000-memory.dmp

memory/1748-10-0x00000000021E0000-0x0000000002362000-memory.dmp

memory/1748-11-0x00000000021E0000-0x0000000002362000-memory.dmp

memory/1748-12-0x0000000000110000-0x0000000000111000-memory.dmp

memory/1748-14-0x0000000000110000-0x0000000000111000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 03:29

Reported

2024-06-14 03:32

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a7db11afd36eaf4be9e257b107c77001_JaffaCakes118.exe"

Network

Files

memory/3792-3-0x0000000002720000-0x00000000028A2000-memory.dmp

memory/3792-9-0x0000000002720000-0x00000000028A2000-memory.dmp