Malware Analysis Report

2024-12-07 21:58

Sample ID 240718-b5qq7azaqr
Target 55ab2b7bc65ac436b5bf3315d6b60f80_JaffaCakes118
SHA256 0fc7568cebbdb2c73b073fed4acfc49932cff1da13c03234e82952d3dee2ab50
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

0fc7568cebbdb2c73b073fed4acfc49932cff1da13c03234e82952d3dee2ab50

Threat Level: Known bad

The file 55ab2b7bc65ac436b5bf3315d6b60f80_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Boot or Logon Autostart Execution: Active Setup

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-18 01:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-18 01:43

Reported

2024-07-18 01:46

Platform

win7-20240704-en

Max time kernel

148s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55ab2b7bc65ac436b5bf3315d6b60f80_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:\Extracted\Sexy18.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:\Extracted\Sexy18.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Extracted\Sexy18.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:\Extracted\Sexy18.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe" C:\Extracted\Sexy18.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\wbem\xml.exe C:\Extracted\Sexy18.exe N/A
File created C:\Windows\SysWOW64\wbem\xml.exe C:\Extracted\Sexy18.exe N/A
File opened for modification C:\Windows\SysWOW64\wbem\ C:\Extracted\Sexy18.exe N/A

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

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

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 2028 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\55ab2b7bc65ac436b5bf3315d6b60f80_JaffaCakes118.exe C:\Extracted\Sexy18.exe
PID 2028 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\55ab2b7bc65ac436b5bf3315d6b60f80_JaffaCakes118.exe C:\Extracted\Sexy18.exe
PID 2028 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\55ab2b7bc65ac436b5bf3315d6b60f80_JaffaCakes118.exe C:\Extracted\Sexy18.exe
PID 2028 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\55ab2b7bc65ac436b5bf3315d6b60f80_JaffaCakes118.exe C:\Extracted\Sexy18.exe
PID 2836 wrote to memory of 2688 N/A C:\Extracted\Sexy18.exe C:\Windows\SysWOW64\svchost.exe
PID 2836 wrote to memory of 2688 N/A C:\Extracted\Sexy18.exe C:\Windows\SysWOW64\svchost.exe
PID 2836 wrote to memory of 2688 N/A C:\Extracted\Sexy18.exe C:\Windows\SysWOW64\svchost.exe
PID 2836 wrote to memory of 2688 N/A C:\Extracted\Sexy18.exe C:\Windows\SysWOW64\svchost.exe
PID 2836 wrote to memory of 2624 N/A C:\Extracted\Sexy18.exe C:\Windows\SysWOW64\explorer.exe
PID 2836 wrote to memory of 2624 N/A C:\Extracted\Sexy18.exe C:\Windows\SysWOW64\explorer.exe
PID 2836 wrote to memory of 2624 N/A C:\Extracted\Sexy18.exe C:\Windows\SysWOW64\explorer.exe
PID 2836 wrote to memory of 2624 N/A C:\Extracted\Sexy18.exe C:\Windows\SysWOW64\explorer.exe
PID 2836 wrote to memory of 2624 N/A C:\Extracted\Sexy18.exe C:\Windows\SysWOW64\explorer.exe
PID 2836 wrote to memory of 2688 N/A C:\Extracted\Sexy18.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\55ab2b7bc65ac436b5bf3315d6b60f80_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\55ab2b7bc65ac436b5bf3315d6b60f80_JaffaCakes118.exe"

C:\Windows\SysWOW64\DllHost.exe

C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}

C:\Extracted\Sexy18.exe

"C:\Extracted\Sexy18.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

C:\Users\Admin\AppData\Local\Temp\sfx.ini

MD5 eab078deb98207f051385c5129fc423c
SHA1 13c6631134a1269235fbfee1006d5dd15b2c1028
SHA256 fc2f45419fb387e7668fea7632d30dc43850cd72927edf2f5baa1a04f077ebbc
SHA512 5dbd7fdfa3b8ed322ff0e494285fc1c186f885dff235b4807809036adf5a2e99852957be4a59cddb69ed41332a7e4082cb16fe7e9695468111f7f2f383198644

memory/2028-18-0x0000000002460000-0x0000000002462000-memory.dmp

memory/2172-19-0x00000000000B0000-0x00000000000B2000-memory.dmp

C:\Extracted\Sexy18.exe

MD5 c2f978e209d70195bec4b23adb0adbcc
SHA1 f204c4c0122bd3f9d3c900bf2d8d6562c20a8935
SHA256 798cf91e7f3fed0dfcc79ebd0a2b2231b1fd5de1bd1e18740b688d620667b542
SHA512 5a7c332decd4195ae29c3b2fc06d8a94c32f2da603907177a8a6c6d11d6c3215726fa2b3e88487fb9148bbf23d4c9befe4c1fb69ef49ddb93598140f0d15012c

memory/2836-30-0x00000000003A0000-0x00000000003A3000-memory.dmp

memory/2836-29-0x0000000000C80000-0x0000000000CF0000-memory.dmp

memory/2172-28-0x0000000000230000-0x0000000000231000-memory.dmp

C:\Extracted\top4top_f0c29b44fb1.jpg

MD5 63434a6d804cb171cfe904cd719b76c2
SHA1 e866542b62d3b722fb848db030ba176cf5840fda
SHA256 172219a63ef471e48ef7ad6e5968326b4e8e0105ba7f4a7269eb94e970b7f282
SHA512 89a7e222f388a7ba5abcb0fdfe0245422232b380e5e80ba154c1db5f58be6aff230bf716fe16c736ab6c56f7c930bc960aa4b06565eac748d4b8c39d078649a9

memory/2624-39-0x0000000000C80000-0x0000000000CF0000-memory.dmp

memory/2688-44-0x0000000000C80000-0x0000000000CF0000-memory.dmp

memory/2624-41-0x0000000000C80000-0x0000000000CF0000-memory.dmp

memory/2836-46-0x0000000000C80000-0x0000000000CF0000-memory.dmp

memory/2688-48-0x0000000000C80000-0x0000000000CF0000-memory.dmp

memory/2172-50-0x0000000000230000-0x0000000000231000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-18 01:43

Reported

2024-07-18 01:46

Platform

win10v2004-20240709-en

Max time kernel

145s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55ab2b7bc65ac436b5bf3315d6b60f80_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:\Extracted\Sexy18.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:\Extracted\Sexy18.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\55ab2b7bc65ac436b5bf3315d6b60f80_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Extracted\Sexy18.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:\Extracted\Sexy18.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe" C:\Extracted\Sexy18.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\wbem\xml.exe C:\Extracted\Sexy18.exe N/A
File created C:\Windows\SysWOW64\wbem\xml.exe C:\Extracted\Sexy18.exe N/A
File opened for modification C:\Windows\SysWOW64\wbem\ C:\Extracted\Sexy18.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\55ab2b7bc65ac436b5bf3315d6b60f80_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\55ab2b7bc65ac436b5bf3315d6b60f80_JaffaCakes118.exe"

C:\Extracted\Sexy18.exe

"C:\Extracted\Sexy18.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\explorer.exe

explorer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.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 8.8.8.8:53 228.249.119.40.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 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 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 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 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 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 43.229.111.52.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 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

C:\Users\Admin\AppData\Local\Temp\sfx.ini

MD5 eab078deb98207f051385c5129fc423c
SHA1 13c6631134a1269235fbfee1006d5dd15b2c1028
SHA256 fc2f45419fb387e7668fea7632d30dc43850cd72927edf2f5baa1a04f077ebbc
SHA512 5dbd7fdfa3b8ed322ff0e494285fc1c186f885dff235b4807809036adf5a2e99852957be4a59cddb69ed41332a7e4082cb16fe7e9695468111f7f2f383198644

C:\Extracted\Sexy18.exe

MD5 c2f978e209d70195bec4b23adb0adbcc
SHA1 f204c4c0122bd3f9d3c900bf2d8d6562c20a8935
SHA256 798cf91e7f3fed0dfcc79ebd0a2b2231b1fd5de1bd1e18740b688d620667b542
SHA512 5a7c332decd4195ae29c3b2fc06d8a94c32f2da603907177a8a6c6d11d6c3215726fa2b3e88487fb9148bbf23d4c9befe4c1fb69ef49ddb93598140f0d15012c

memory/3036-25-0x0000000000C80000-0x0000000000CF0000-memory.dmp

memory/3036-26-0x0000000000540000-0x0000000000543000-memory.dmp

memory/1436-33-0x0000000000C80000-0x0000000000CF0000-memory.dmp

memory/3036-34-0x0000000000C80000-0x0000000000CF0000-memory.dmp

memory/1436-36-0x0000000000C80000-0x0000000000CF0000-memory.dmp