Malware Analysis Report

2025-01-02 12:29

Sample ID 240702-r31fls1fmq
Target 1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118
SHA256 98f320d5db381ae11a682b3f9e071909db36736a7876a5932a1062a4cafc1332
Tags
cybergate princ persistence stealer trojan
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

98f320d5db381ae11a682b3f9e071909db36736a7876a5932a1062a4cafc1332

Threat Level: Known bad

The file 1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

cybergate princ persistence stealer trojan

CyberGate, Rebhip

Adds policy Run key to start application

Boot or Logon Autostart Execution: Active Setup

Adds Run key to start application

Suspicious use of SetThreadContext

Drops file in Windows directory

Unsigned PE

Program crash

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-02 14:43

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-02 14:43

Reported

2024-07-02 14:46

Platform

win10v2004-20240508-en

Max time kernel

92s

Max time network

107s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe"

Signatures

CyberGate, Rebhip

trojan stealer cybergate

Adds policy Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\update = "C:\\Windows\\Windll\\Windll.exe" C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\update = "C:\\Windows\\Windll\\Windll.exe" C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A

Boot or Logon Autostart Execution: Active Setup

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{6COJU6IR-4VXS-83F3-64U6-8XBD01547F28} C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{6COJU6IR-4VXS-83F3-64U6-8XBD01547F28}\StubPath = "C:\\Windows\\Windll\\Windll.exe Restart" C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_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\Windll = "C:\\Windows\\Windll\\Windll.exe" C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windll = "C:\\Windows\\Windll\\Windll.exe" C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Windll\Windll.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A
File opened for modification C:\Windows\Windll\Windll.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 4300 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 5068 -ip 5068

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5068 -ip 5068

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 540

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 146.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/4300-0-0x0000000000400000-0x0000000000411000-memory.dmp

memory/5068-3-0x0000000000400000-0x0000000000450000-memory.dmp

memory/5068-4-0x0000000000400000-0x0000000000450000-memory.dmp

memory/5068-5-0x0000000000400000-0x0000000000450000-memory.dmp

memory/4300-6-0x0000000000400000-0x0000000000411000-memory.dmp

memory/5068-7-0x0000000000400000-0x0000000000450000-memory.dmp

memory/5068-11-0x0000000000400000-0x0000000000450000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-02 14:43

Reported

2024-07-02 14:46

Platform

win7-20240508-en

Max time kernel

140s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe"

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1844 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe
PID 1796 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1796 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1796 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 1796 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1fafb478b9b15d9d8dc8d1341302fa11_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 160

Network

N/A

Files

memory/1844-0-0x0000000000400000-0x0000000000411000-memory.dmp

memory/1796-3-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1796-4-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1844-5-0x0000000000400000-0x0000000000411000-memory.dmp

memory/1796-6-0x0000000000400000-0x0000000000450000-memory.dmp

memory/1796-7-0x0000000000400000-0x0000000000450000-memory.dmp