Malware Analysis Report

2024-11-13 18:40

Sample ID 240711-v3yhsswhpk
Target 3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118
SHA256 58de87a89cee22029b68e91f2ec6d5bb6024797bbb41df6509db3d655bb45145
Tags
xtremerat persistence rat spyware upx
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

58de87a89cee22029b68e91f2ec6d5bb6024797bbb41df6509db3d655bb45145

Threat Level: Known bad

The file 3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

Boot or Logon Autostart Execution: Active Setup

UPX packed file

Adds Run key to start application

Suspicious use of SetThreadContext

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-11 17:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-11 17:31

Reported

2024-07-11 17:34

Platform

win7-20240705-en

Max time kernel

146s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_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\{5460C4DF-B266-909E-CB58-E32B79832EB2} C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\update\\update.exe restart" C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A
N/A N/A N/A 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\\update\\update.exe" C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_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\\update\\update.exe" C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\update\update.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A
File created C:\Windows\update\update.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2368 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2368 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2368 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2368 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2368 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2368 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2368 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2368 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2368 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 padonak.no-ip.biz udp

Files

memory/2368-0-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2368-1-0x0000000000020000-0x0000000000023000-memory.dmp

memory/2368-4-0x0000000000240000-0x0000000000255000-memory.dmp

memory/804-7-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2368-10-0x0000000000400000-0x0000000000415000-memory.dmp

memory/804-12-0x0000000013140000-0x000000001315F000-memory.dmp

memory/804-11-0x0000000013140000-0x000000001315F000-memory.dmp

memory/804-9-0x0000000013140000-0x000000001315F000-memory.dmp

memory/2368-8-0x0000000000400000-0x0000000000415000-memory.dmp

memory/804-5-0x0000000013140000-0x000000001315F000-memory.dmp

memory/2336-16-0x0000000013140000-0x000000001315F000-memory.dmp

memory/2336-18-0x0000000013140000-0x000000001315F000-memory.dmp

memory/804-19-0x0000000013140000-0x000000001315F000-memory.dmp

memory/804-20-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2336-22-0x0000000013140000-0x000000001315F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-11 17:31

Reported

2024-07-11 17:34

Platform

win10v2004-20240709-en

Max time kernel

94s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_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

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\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\update\\update.exe restart" C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A

UPX packed file

upx
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
N/A N/A N/A 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\\update\\update.exe" C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\update\\update.exe" C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\update\update.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A
File created C:\Windows\update\update.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2060 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2060 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2060 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2060 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2060 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2060 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2060 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 2060 wrote to memory of 4056 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe
PID 4056 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4056 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4056 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4056 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3a16a8b5b924fb47b8b73e7916f8c927_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 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/2060-0-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2060-1-0x00000000001C0000-0x00000000001C3000-memory.dmp

memory/4056-4-0x0000000013140000-0x000000001315F000-memory.dmp

memory/4056-6-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2060-8-0x0000000000400000-0x0000000000415000-memory.dmp

memory/4056-9-0x0000000013140000-0x000000001315F000-memory.dmp

memory/4056-10-0x0000000013140000-0x000000001315F000-memory.dmp

memory/4056-11-0x0000000013140000-0x000000001315F000-memory.dmp

memory/544-15-0x0000000013140000-0x000000001315F000-memory.dmp

memory/4056-16-0x0000000013140000-0x000000001315F000-memory.dmp

memory/4056-17-0x0000000000400000-0x0000000000415000-memory.dmp