Malware Analysis Report

2024-10-23 19:44

Sample ID 240427-zgk3ssgd5x
Target 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118
SHA256 f3db4024743d94dac00d75d0775baa2d6e8cef9a078e2b4de1b3d085f3b14b3b
Tags
nanocore evasion keylogger spyware stealer trojan
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

f3db4024743d94dac00d75d0775baa2d6e8cef9a078e2b4de1b3d085f3b14b3b

Threat Level: Known bad

The file 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger spyware stealer trojan

NanoCore

Checks whether UAC is enabled

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-27 20:41

Signatures

AutoIT Executable

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

2024-04-27 20:41

Reported

2024-04-27 20:43

Platform

win7-20240221-en

Max time kernel

141s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2292 set thread context of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Creates scheduled task(s)

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2292 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2292 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2292 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2292 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2292 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2292 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2292 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2292 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2292 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2044 wrote to memory of 2532 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\Windows\SysWOW64\schtasks.exe
PID 2044 wrote to memory of 2532 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\Windows\SysWOW64\schtasks.exe
PID 2044 wrote to memory of 2532 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\Windows\SysWOW64\schtasks.exe
PID 2044 wrote to memory of 2532 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe"

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

"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1A44.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 3112r.duckdns.org udp
BR 203.159.80.70:5654 3112r.duckdns.org tcp
US 8.8.8.8:53 3112r.duckdns.org udp
BR 203.159.80.70:5654 3112r.duckdns.org tcp
US 8.8.8.8:53 3112r.duckdns.org udp
BR 203.159.80.70:5654 3112r.duckdns.org tcp
US 8.8.8.8:53 3113r.duckdns.org udp
BR 203.159.80.70:5654 3113r.duckdns.org tcp
US 8.8.8.8:53 3113r.duckdns.org udp
BR 203.159.80.70:5654 3113r.duckdns.org tcp
US 8.8.8.8:53 3113r.duckdns.org udp
BR 203.159.80.70:5654 3113r.duckdns.org tcp
US 8.8.8.8:53 3112r.duckdns.org udp
BR 203.159.80.70:5654 3112r.duckdns.org tcp
US 8.8.8.8:53 3112r.duckdns.org udp
BR 203.159.80.70:5654 3112r.duckdns.org tcp
US 8.8.8.8:53 3112r.duckdns.org udp
BR 203.159.80.70:5654 3112r.duckdns.org tcp

Files

memory/2292-1-0x0000000000160000-0x0000000000161000-memory.dmp

memory/2292-0-0x0000000000250000-0x0000000000283000-memory.dmp

memory/2044-4-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2044-2-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2044-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2044-9-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2044-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2044-11-0x0000000074290000-0x000000007483B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp1A44.tmp

MD5 c6f0625bf4c1cdfb699980c9243d3b22
SHA1 43de1fe580576935516327f17b5da0c656c72851
SHA256 8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576
SHA512 9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

memory/2044-16-0x0000000000BC0000-0x0000000000C00000-memory.dmp

memory/2044-17-0x0000000074290000-0x000000007483B000-memory.dmp

memory/2044-18-0x0000000000BC0000-0x0000000000C00000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-27 20:41

Reported

2024-04-27 20:43

Platform

win10v2004-20240419-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 216 set thread context of 956 N/A C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Creates scheduled task(s)

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe"

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

"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp48FF.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 3112r.duckdns.org udp
US 8.8.8.8:53 3112r.duckdns.org udp
US 8.8.8.8:53 3112r.duckdns.org udp
US 8.8.8.8:53 3113r.duckdns.org udp
US 8.8.8.8:53 3113r.duckdns.org udp
US 8.8.8.8:53 3113r.duckdns.org udp
US 8.8.8.8:53 3112r.duckdns.org udp
US 8.8.8.8:53 3112r.duckdns.org udp
US 8.8.8.8:53 3112r.duckdns.org udp
US 8.8.8.8:53 3113r.duckdns.org udp
US 8.8.8.8:53 3113r.duckdns.org udp

Files

memory/956-1-0x0000000000420000-0x0000000000458000-memory.dmp

memory/216-6-0x00000000017B0000-0x00000000017B1000-memory.dmp

memory/216-5-0x0000000004830000-0x0000000004863000-memory.dmp

memory/956-7-0x0000000074CD0000-0x0000000075281000-memory.dmp

memory/956-8-0x0000000002340000-0x0000000002350000-memory.dmp

memory/956-9-0x0000000074CD0000-0x0000000075281000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp48FF.tmp

MD5 c6f0625bf4c1cdfb699980c9243d3b22
SHA1 43de1fe580576935516327f17b5da0c656c72851
SHA256 8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576
SHA512 9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

memory/956-14-0x0000000074CD0000-0x0000000075281000-memory.dmp

memory/956-15-0x0000000002340000-0x0000000002350000-memory.dmp