Malware Analysis Report

2025-01-02 02:46

Sample ID 240719-yl61dszhrc
Target 5d6ff757b310b0139acd73700c119ef0_JaffaCakes118
SHA256 2728ef42c7ad0fb173a3e5c7c3eec68aa2944491e40008a45c10d14c6fab7751
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

2728ef42c7ad0fb173a3e5c7c3eec68aa2944491e40008a45c10d14c6fab7751

Threat Level: Known bad

The file 5d6ff757b310b0139acd73700c119ef0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

XtremeRAT

Detect XtremeRAT payload

Boot or Logon Autostart Execution: Active Setup

Adds Run key to start application

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-19 19:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-19 19:53

Reported

2024-07-19 19:56

Platform

win7-20240705-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_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
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\{66X6BJ85-YIN7-8603-81KW-5S7W60M8BWU3} C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{66X6BJ85-YIN7-8603-81KW-5S7W60M8BWU3}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_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:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_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\\system32\\InstallDir\\Server.exe" C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_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\5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_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\5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 momo44.bo-ip.biz udp

Files

memory/1608-3-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/1608-2-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/1608-5-0x0000000000C81000-0x0000000000CAD000-memory.dmp

memory/1608-4-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/1608-1-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/1608-0-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/2020-9-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/2020-11-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/1608-12-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/1608-13-0x0000000000C81000-0x0000000000CAD000-memory.dmp

memory/2020-15-0x0000000000C80000-0x0000000000CB1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-19 19:53

Reported

2024-07-19 19:56

Platform

win10v2004-20240709-en

Max time kernel

146s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_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\{66X6BJ85-YIN7-8603-81KW-5S7W60M8BWU3} C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{66X6BJ85-YIN7-8603-81KW-5S7W60M8BWU3}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_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:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_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\5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_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\5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_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 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 48.229.111.52.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 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp
US 8.8.8.8:53 momo44.bo-ip.biz udp

Files

memory/4408-0-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/4408-3-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/4408-2-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/4408-4-0x0000000000C81000-0x0000000000CAD000-memory.dmp

memory/4408-1-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/4408-5-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/4408-6-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/4408-7-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/2416-11-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/4408-12-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/4408-13-0x0000000000C81000-0x0000000000CAD000-memory.dmp

memory/2416-15-0x0000000000C80000-0x0000000000CB1000-memory.dmp