Malware Analysis Report

2025-01-02 02:46

Sample ID 240719-zg92xsyelk
Target 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118
SHA256 9766e9cf33fd1d13ec249ea9dd8e203745ada10d2bb92555a9048161efc5bfce
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9766e9cf33fd1d13ec249ea9dd8e203745ada10d2bb92555a9048161efc5bfce

Threat Level: Known bad

The file 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Xtremerat family

Detect XtremeRAT payload

XtremeRAT

Boot or Logon Autostart Execution: Active Setup

Deletes itself

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

2024-07-19 20:42

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: behavioral2

Detonation Overview

Submitted

2024-07-19 20:42

Reported

2024-07-19 20:45

Platform

win10v2004-20240709-en

Max time kernel

146s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_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\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\wbem\\xml.exe restart" C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_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\\wbem\\xml.exe" C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe" C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\wbem\xml.exe C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\wbem\xml.exe C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\wbem\ C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_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\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 35.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 24.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net 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
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp
US 8.8.8.8:53 namehost.dyndns.org udp

Files

memory/2860-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/1372-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2860-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-19 20:42

Reported

2024-07-19 20:45

Platform

win7-20240705-en

Max time kernel

147s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_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
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\wbem\\xml.exe restart" C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\explorer.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\\wbem\\xml.exe" C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe" C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\wbem\xml.exe C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\wbem\xml.exe C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\wbem\ C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2136 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2136 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2136 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2136 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2136 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_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 namehost.dyndns.org udp

Files

memory/2952-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2812-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2952-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2136-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2812-14-0x0000000000C80000-0x0000000000C93000-memory.dmp