Malware Analysis Report

2024-12-07 21:58

Sample ID 240718-adf71awcnq
Target 5560e346607dc4b703343f45b72d9bcd_JaffaCakes118
SHA256 aeaab8c93165731e2588e71f51803c962f0b6b85f779f22a6a9390cec8f995b2
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

aeaab8c93165731e2588e71f51803c962f0b6b85f779f22a6a9390cec8f995b2

Threat Level: Known bad

The file 5560e346607dc4b703343f45b72d9bcd_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Xtremerat family

Boot or Logon Autostart Execution: Active Setup

Adds Run key to start application

Drops file in System32 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 00:05

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 00:05

Reported

2024-07-18 00:08

Platform

win7-20240705-en

Max time kernel

148s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_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
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\{446LI5JK-SPC2-0KO8-84HC-4K1QA774J3H4} C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{446LI5JK-SPC2-0KO8-84HC-4K1QA774J3H4}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{446LI5JK-SPC2-0KO8-84HC-4K1QA774J3H4} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{446LI5JK-SPC2-0KO8-84HC-4K1QA774J3H4}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" C:\Windows\SysWOW64\svchost.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\\system32\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2404 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2404 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2404 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2404 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2404 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2404 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2404 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2404 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2404 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2404 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\explorer.exe

explorer.exe

Network

Country Destination Domain Proto
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp

Files

memory/2160-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2160-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

C:\Windows\SysWOW64\InstallDir\Server.exe

MD5 5560e346607dc4b703343f45b72d9bcd
SHA1 c928053be8c3dce836342e00b189c27d018a2e33
SHA256 aeaab8c93165731e2588e71f51803c962f0b6b85f779f22a6a9390cec8f995b2
SHA512 cf4501f9bde283b5d50a7f1f0fe36f08b8418f84d2c593540ef5219ace8958a108bb8162f5dc4439f6498a45e78a3f9454315625ff0a01ed6871526a109e6a5a

memory/2400-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2404-10-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2400-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-18 00:05

Reported

2024-07-18 00:08

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_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
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\{446LI5JK-SPC2-0KO8-84HC-4K1QA774J3H4} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{446LI5JK-SPC2-0KO8-84HC-4K1QA774J3H4}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{446LI5JK-SPC2-0KO8-84HC-4K1QA774J3H4} C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{446LI5JK-SPC2-0KO8-84HC-4K1QA774J3H4}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_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\\system32\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5560e346607dc4b703343f45b72d9bcd_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\explorer.exe

explorer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
N/A 127.0.0.1:82 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
N/A 127.0.0.1:82 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
N/A 127.0.0.1:82 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
N/A 127.0.0.1:82 tcp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp

Files

memory/1924-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

C:\Windows\SysWOW64\InstallDir\Server.exe

MD5 5560e346607dc4b703343f45b72d9bcd
SHA1 c928053be8c3dce836342e00b189c27d018a2e33
SHA256 aeaab8c93165731e2588e71f51803c962f0b6b85f779f22a6a9390cec8f995b2
SHA512 cf4501f9bde283b5d50a7f1f0fe36f08b8418f84d2c593540ef5219ace8958a108bb8162f5dc4439f6498a45e78a3f9454315625ff0a01ed6871526a109e6a5a

memory/2220-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/5048-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2220-8-0x0000000000C80000-0x0000000000C93000-memory.dmp