Malware Analysis Report

2024-10-19 07:12

Sample ID 240504-y4heradb89
Target 1453c521792d23f1f3a2c47df5b3c3a0_JaffaCakes118
SHA256 1546fc1f8e8447a730815af827134ccfd4316eeccdca1912bea7fbce2bfb627d
Tags
nanocore evasion keylogger persistence 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

1546fc1f8e8447a730815af827134ccfd4316eeccdca1912bea7fbce2bfb627d

Threat Level: Known bad

The file 1453c521792d23f1f3a2c47df5b3c3a0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger persistence spyware stealer trojan

NanoCore

Adds Run key to start application

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Drops file in Program Files directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-04 20:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-04 20:20

Reported

2024-05-04 20:22

Platform

win7-20240215-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\pdf.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe" C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3000 set thread context of 2836 N/A C:\Users\Admin\AppData\Local\Temp\pdf.exe C:\Users\Admin\AppData\Local\Temp\pdf.exe

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\DDP Subsystem\ddpss.exe C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A
File opened for modification C:\Program Files (x86)\DDP Subsystem\ddpss.exe C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\pdf.exe

"C:\Users\Admin\AppData\Local\Temp\pdf.exe"

C:\Users\Admin\AppData\Local\Temp\pdf.exe

"C:\Users\Admin\AppData\Local\Temp\pdf.exe"

Network

Country Destination Domain Proto
SE 185.217.1.176:555 tcp
SE 185.217.1.176:555 tcp
SE 185.217.1.176:555 tcp
N/A 127.0.0.1:555 tcp
N/A 127.0.0.1:555 tcp
N/A 127.0.0.1:555 tcp
SE 185.217.1.176:555 tcp
SE 185.217.1.176:555 tcp
SE 185.217.1.176:555 tcp
N/A 127.0.0.1:555 tcp
N/A 127.0.0.1:555 tcp
N/A 127.0.0.1:555 tcp
SE 185.217.1.176:555 tcp
SE 185.217.1.176:555 tcp
SE 185.217.1.176:555 tcp
N/A 127.0.0.1:555 tcp
N/A 127.0.0.1:555 tcp
N/A 127.0.0.1:555 tcp
SE 185.217.1.176:555 tcp

Files

memory/3000-0-0x00000000742A1000-0x00000000742A2000-memory.dmp

memory/3000-1-0x00000000742A0000-0x000000007484B000-memory.dmp

memory/3000-2-0x00000000742A0000-0x000000007484B000-memory.dmp

memory/3000-3-0x00000000742A0000-0x000000007484B000-memory.dmp

memory/2836-5-0x0000000000070000-0x00000000000A8000-memory.dmp

memory/2836-4-0x0000000000070000-0x00000000000A8000-memory.dmp

memory/2836-18-0x0000000000070000-0x00000000000A8000-memory.dmp

memory/3000-20-0x00000000742A0000-0x000000007484B000-memory.dmp

memory/2836-21-0x00000000742A0000-0x000000007484B000-memory.dmp

memory/2836-19-0x00000000742A0000-0x000000007484B000-memory.dmp

memory/2836-15-0x0000000000070000-0x00000000000A8000-memory.dmp

memory/2836-11-0x0000000000070000-0x00000000000A8000-memory.dmp

memory/2836-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2836-7-0x0000000000070000-0x00000000000A8000-memory.dmp

memory/2836-10-0x0000000000070000-0x00000000000A8000-memory.dmp

memory/2836-6-0x0000000000070000-0x00000000000A8000-memory.dmp

memory/2836-24-0x00000000742A0000-0x000000007484B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-04 20:20

Reported

2024-05-04 20:22

Platform

win10v2004-20240426-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\pdf.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DOS Host = "C:\\Program Files (x86)\\DOS Host\\doshost.exe" C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2116 set thread context of 3308 N/A C:\Users\Admin\AppData\Local\Temp\pdf.exe C:\Users\Admin\AppData\Local\Temp\pdf.exe

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\DOS Host\doshost.exe C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A
File opened for modification C:\Program Files (x86)\DOS Host\doshost.exe C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\pdf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\pdf.exe

"C:\Users\Admin\AppData\Local\Temp\pdf.exe"

C:\Users\Admin\AppData\Local\Temp\pdf.exe

"C:\Users\Admin\AppData\Local\Temp\pdf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
SE 185.217.1.176:555 tcp
SE 185.217.1.176:555 tcp
SE 185.217.1.176:555 tcp
N/A 127.0.0.1:555 tcp
N/A 127.0.0.1:555 tcp
N/A 127.0.0.1:555 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
SE 185.217.1.176:555 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
SE 185.217.1.176:555 tcp
SE 185.217.1.176:555 tcp
N/A 127.0.0.1:555 tcp
N/A 127.0.0.1:555 tcp
N/A 127.0.0.1:555 tcp
SE 185.217.1.176:555 tcp
SE 185.217.1.176:555 tcp
SE 185.217.1.176:555 tcp

Files

memory/2116-0-0x0000000074C32000-0x0000000074C33000-memory.dmp

memory/2116-1-0x0000000074C30000-0x00000000751E1000-memory.dmp

memory/2116-2-0x0000000074C30000-0x00000000751E1000-memory.dmp

memory/2116-3-0x0000000074C32000-0x0000000074C33000-memory.dmp

memory/2116-4-0x0000000074C30000-0x00000000751E1000-memory.dmp

memory/3308-5-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3308-9-0x0000000074C30000-0x00000000751E1000-memory.dmp

memory/2116-8-0x0000000074C30000-0x00000000751E1000-memory.dmp

memory/3308-7-0x0000000074C30000-0x00000000751E1000-memory.dmp

memory/3308-12-0x0000000074C30000-0x00000000751E1000-memory.dmp

memory/3308-13-0x0000000074C30000-0x00000000751E1000-memory.dmp

memory/3308-14-0x0000000074C30000-0x00000000751E1000-memory.dmp