Malware Analysis Report

2025-01-02 02:45

Sample ID 240718-xl7fgsvene
Target 58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118
SHA256 9d44ca738117bbe3ed8ccb437b413433509c4a6e98933f50c1bc9b7c31d7c2b9
Tags
xtremerat persistence rat spyware
score
10/10

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
10/10

SHA256

9d44ca738117bbe3ed8ccb437b413433509c4a6e98933f50c1bc9b7c31d7c2b9

Threat Level: Known bad

The file 58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

Xtremerat family

XtremeRAT

Boot or Logon Autostart Execution: Active Setup

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-18 18:57

Signatures

Detect XtremeRAT payload

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

Xtremerat family

xtremerat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-18 18:57

Reported

2024-07-18 19:00

Platform

win7-20240705-en

Max time kernel

146s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Boot or Logon Autostart Execution: Active Setup

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A
File created C:\Windows\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

Country Destination Domain Proto
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp

Files

memory/2288-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2288-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/1476-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2288-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-18 18:57

Reported

2024-07-18 19:00

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Boot or Logon Autostart Execution: Active Setup

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A
File created C:\Windows\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\58a84b753b9e8b8ef1b85b521b237d38_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
US 8.8.8.8:53 210.143.182.52.in-addr.arpa udp

Files

memory/3700-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/1304-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/3700-6-0x0000000000C80000-0x0000000000C93000-memory.dmp