Malware Analysis Report

2024-09-22 10:47

Sample ID 240719-njm5dssanh
Target 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118
SHA256 bd3844aca4658bc26c5e1f8cdbe680e1be2d5ad9cb632e26ac016f1db353ddbe
Tags
hawkeye keylogger persistence spyware stealer trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

bd3844aca4658bc26c5e1f8cdbe680e1be2d5ad9cb632e26ac016f1db353ddbe

Threat Level: Known bad

The file 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

hawkeye keylogger persistence spyware stealer trojan upx

HawkEye

Adds policy Run key to start application

Uses the VBS compiler for execution

UPX packed file

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-19 11:25

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-19 11:25

Reported

2024-07-19 11:28

Platform

win7-20240705-en

Max time kernel

149s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe"

Signatures

HawkEye

keylogger trojan stealer spyware hawkeye

Adds policy Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A

Uses the VBS compiler for execution

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\winni.exe = "C:\\Users\\Admin\\AppData\\Roaming\\windowsupdate.exe" C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2524 set thread context of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2524 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 blackshades.ru udp

Files

memory/2524-0-0x0000000074AE2000-0x0000000074AE4000-memory.dmp

memory/2536-2-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2536-4-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2536-6-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2536-7-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2536-10-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2536-11-0x0000000000400000-0x0000000000420000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-19 11:25

Reported

2024-07-19 11:28

Platform

win10v2004-20240704-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe"

Signatures

HawkEye

keylogger trojan stealer spyware hawkeye

Adds policy Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

UPX packed file

upx
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

Uses the VBS compiler for execution

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winni.exe = "C:\\Users\\Admin\\AppData\\Roaming\\windowsupdate.exe" C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3468 set thread context of 1788 N/A C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 blackshades.ru 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 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp
US 8.8.8.8:53 blackshades.ru udp

Files

memory/3468-0-0x00000000745E2000-0x00000000745E3000-memory.dmp

memory/3468-1-0x00000000745E0000-0x0000000074B91000-memory.dmp

memory/3468-2-0x00000000745E0000-0x0000000074B91000-memory.dmp

memory/1788-4-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1788-7-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1788-8-0x0000000000400000-0x0000000000420000-memory.dmp

memory/3468-13-0x00000000745E0000-0x0000000074B91000-memory.dmp

memory/1788-14-0x0000000000400000-0x0000000000420000-memory.dmp