Malware Analysis Report

2024-12-07 21:35

Sample ID 240717-lg7d5sxfrf
Target 5266bb90458c6f3f51705b8121859638_JaffaCakes118
SHA256 548a99768186fb9306022951ee39bfb8311ec2d281455ec326c931fa5351f714
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

548a99768186fb9306022951ee39bfb8311ec2d281455ec326c931fa5351f714

Threat Level: Known bad

The file 5266bb90458c6f3f51705b8121859638_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

Drops file in System32 directory

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-17 09:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-17 09:31

Reported

2024-07-17 09:33

Platform

win7-20240705-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
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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\{3B8G4O21-42JM-7W37-28V0-52N07YLBJY47} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{3B8G4O21-42JM-7W37-28V0-52N07YLBJY47}\StubPath = "C:\\Windows\\system32\\JHT\\JHT.exe restart" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{3B8G4O21-42JM-7W37-28V0-52N07YLBJY47} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{3B8G4O21-42JM-7W37-28V0-52N07YLBJY47}\StubPath = "C:\\Windows\\system32\\JHT\\JHT.exe" C:\Windows\SysWOW64\svchost.exe N/A

UPX packed file

upx
Description Indicator Process Target
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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\\JHT\\JHT.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\JHT\\JHT.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃坜湩潤獷卜獹佗㙗尴癳档獯\u2e74硥e엸က엸က㽜" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\JHT\\JHT.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\JHT\\JHT.exe" C:\Windows\SysWOW64\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\JHT\JHT.exe C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\JHT\JHT.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\JHT\ C:\Windows\SysWOW64\svchost.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\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2088 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 2088 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 2088 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 2088 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 2088 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 2088 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 2088 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 2088 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 2088 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 1652 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1652 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1652 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1652 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1652 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1652 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1652 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1652 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1652 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1652 wrote to memory of 2348 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 mal3k.no-ip.org udp

Files

memory/2088-0-0x0000000000400000-0x0000000000441000-memory.dmp

memory/1652-3-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1652-6-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2088-4-0x0000000000400000-0x0000000000441000-memory.dmp

memory/1652-8-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1652-9-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1652-7-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2148-12-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2148-10-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1652-16-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2348-15-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2348-19-0x0000000010000000-0x0000000010048000-memory.dmp

C:\Windows\SysWOW64\JHT\JHT.exe

MD5 5266bb90458c6f3f51705b8121859638
SHA1 5d261359952fe3bdbd6b49c19ea4ea72579dd8e7
SHA256 548a99768186fb9306022951ee39bfb8311ec2d281455ec326c931fa5351f714
SHA512 2a098673bb742c1dcbaa39294972672b3cef652a15a2a227fdf6de1fd338ed8690e10087c35469adaa875a673bca17a07fb54d9294db5ab2584a20b84f9b5a37

memory/2088-21-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2148-22-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2348-23-0x0000000010000000-0x0000000010048000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-17 09:31

Reported

2024-07-17 09:33

Platform

win10v2004-20240709-en

Max time kernel

140s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
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XtremeRAT

persistence spyware rat xtremerat

UPX packed file

upx
Description Indicator Process Target
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Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5020 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 5020 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 5020 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 5020 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 5020 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 5020 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 5020 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 5020 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe
PID 1628 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\5266bb90458c6f3f51705b8121859638_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4196 -ip 4196

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2696 -ip 2696

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2696 -ip 2696

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4196 -ip 4196

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.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 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/5020-0-0x0000000000400000-0x0000000000441000-memory.dmp

memory/1628-3-0x0000000010000000-0x0000000010048000-memory.dmp

memory/5020-6-0x0000000000400000-0x0000000000441000-memory.dmp

memory/1628-7-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1628-8-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1628-9-0x0000000010000000-0x0000000010048000-memory.dmp

memory/4196-10-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2696-11-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1628-12-0x0000000010000000-0x0000000010048000-memory.dmp

memory/4196-15-0x0000000010000000-0x0000000010048000-memory.dmp