Malware Analysis Report

2024-12-07 21:53

Sample ID 240716-1exjgs1cpj
Target 5020a82e8da32283caf7302ebaf1d725_JaffaCakes118
SHA256 233e054a297bb94781c74086964d3648554d6dfb8201c8ec2e2108b210aae00c
Tags
aspackv2 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

233e054a297bb94781c74086964d3648554d6dfb8201c8ec2e2108b210aae00c

Threat Level: Known bad

The file 5020a82e8da32283caf7302ebaf1d725_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

aspackv2 xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Boot or Logon Autostart Execution: Active Setup

ASPack v2.12-2.42

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-16 21:34

Signatures

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-16 21:34

Reported

2024-07-16 21:36

Platform

win7-20240704-en

Max time kernel

137s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5020a82e8da32283caf7302ebaf1d725_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\{4633JL56-X65W-0FM0-B216-2X5GMXSAG5LC} C:\Windows\SysWOW64\notepad.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4633JL56-X65W-0FM0-B216-2X5GMXSAG5LC}\StubPath = "C:\\Windows\\system32\\Skype..\\Skype..exe restart" C:\Windows\SysWOW64\notepad.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\Skype..\\Skype..exe" C:\Windows\SysWOW64\notepad.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\Skype..\\Skype..exe" C:\Windows\SysWOW64\notepad.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Skype..\Skype..exe C:\Windows\SysWOW64\notepad.exe N/A
File created C:\Windows\SysWOW64\Skype..\Skype..exe C:\Windows\SysWOW64\notepad.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\5020a82e8da32283caf7302ebaf1d725_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5020a82e8da32283caf7302ebaf1d725_JaffaCakes118.exe"

C:\Windows\SysWOW64\notepad.exe

notepad.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 mom.no-ip.biz udp
IT 78.159.131.121:82 mom.no-ip.biz tcp
IT 78.159.131.121:82 mom.no-ip.biz tcp
IT 78.159.131.121:82 mom.no-ip.biz tcp
IT 78.159.131.121:82 mom.no-ip.biz tcp
IT 78.159.131.121:82 mom.no-ip.biz tcp
IT 78.159.131.121:82 mom.no-ip.biz tcp
IT 78.159.131.121:82 mom.no-ip.biz tcp

Files

memory/2056-0-0x0000000010000000-0x000000001004F000-memory.dmp

memory/2096-2-0x0000000010000000-0x000000001004F000-memory.dmp

memory/2056-5-0x0000000010000000-0x000000001004F000-memory.dmp

memory/2096-3-0x0000000010000000-0x000000001004F000-memory.dmp

memory/2096-7-0x0000000010000000-0x000000001004F000-memory.dmp

memory/2096-8-0x0000000010000000-0x000000001004F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 21:34

Reported

2024-07-16 21:36

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5020a82e8da32283caf7302ebaf1d725_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

XtremeRAT

persistence spyware rat xtremerat

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\5020a82e8da32283caf7302ebaf1d725_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5020a82e8da32283caf7302ebaf1d725_JaffaCakes118.exe"

C:\Windows\SysWOW64\notepad.exe

notepad.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3604 -ip 3604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3604 -ip 3604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 496

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2396-0-0x0000000010000000-0x000000001004F000-memory.dmp

memory/3604-1-0x0000000010000000-0x000000001004F000-memory.dmp

memory/2396-3-0x0000000010000000-0x000000001004F000-memory.dmp