Malware Analysis Report

2024-10-19 07:12

Sample ID 240504-n2lz2sdc4s
Target 129e409e4b18cbbee4241ee461bcad25_JaffaCakes118
SHA256 619242f828d1c90595587ddab9ad3890f93b96b0723e419960d58d90091826d1
Tags
upx nanocore 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

619242f828d1c90595587ddab9ad3890f93b96b0723e419960d58d90091826d1

Threat Level: Known bad

The file 129e409e4b18cbbee4241ee461bcad25_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx nanocore keylogger spyware stealer trojan

NanoCore

Checks computer location settings

UPX packed file

Deletes itself

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Delays execution with timeout.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-04 11:53

Signatures

UPX packed file

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

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-04 11:53

Reported

2024-05-04 11:56

Platform

win7-20240221-en

Max time kernel

137s

Max time network

146s

Command Line

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

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Deletes itself

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2208 set thread context of 1100 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

Enumerates physical storage devices

Delays execution with timeout.exe

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2208 wrote to memory of 1100 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2208 wrote to memory of 1100 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2208 wrote to memory of 1100 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2208 wrote to memory of 1100 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2208 wrote to memory of 1100 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2208 wrote to memory of 1100 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2208 wrote to memory of 1100 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2208 wrote to memory of 1100 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2208 wrote to memory of 1100 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2208 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\SysWOW64\cmd.exe
PID 2208 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\SysWOW64\cmd.exe
PID 2208 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\SysWOW64\cmd.exe
PID 2208 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\SysWOW64\cmd.exe
PID 2272 wrote to memory of 2580 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2272 wrote to memory of 2580 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2272 wrote to memory of 2580 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2272 wrote to memory of 2580 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

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

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

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe"

C:\Windows\SysWOW64\timeout.exe

TimeOut 1

Network

Country Destination Domain Proto
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
N/A 127.0.0.1:54111 tcp
N/A 127.0.0.1:54111 tcp
N/A 127.0.0.1:54111 tcp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
N/A 127.0.0.1:54111 tcp
N/A 127.0.0.1:54111 tcp
N/A 127.0.0.1:54111 tcp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp

Files

memory/2208-0-0x0000000000270000-0x00000000003DB000-memory.dmp

memory/2208-1-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/1100-2-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1100-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1100-9-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1100-3-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1100-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1100-11-0x00000000747C1000-0x00000000747C2000-memory.dmp

memory/2208-13-0x0000000000270000-0x00000000003DB000-memory.dmp

memory/1100-14-0x00000000747C0000-0x0000000074D6B000-memory.dmp

memory/1100-15-0x00000000747C0000-0x0000000074D6B000-memory.dmp

memory/1100-17-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-04 11:53

Reported

2024-05-04 11:56

Platform

win10v2004-20240419-en

Max time kernel

144s

Max time network

148s

Command Line

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

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4368 set thread context of 4748 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

Enumerates physical storage devices

Delays execution with timeout.exe

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\Microsoft_Upgrade.exe"

C:\Windows\SysWOW64\timeout.exe

TimeOut 1

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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
N/A 127.0.0.1:54111 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
N/A 127.0.0.1:54111 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 51.15.97.104.in-addr.arpa udp
N/A 127.0.0.1:54111 tcp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
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
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp
N/A 127.0.0.1:54111 tcp
N/A 127.0.0.1:54111 tcp
N/A 127.0.0.1:54111 tcp
US 8.8.8.8:53 54111.duckdns.org udp
US 23.226.130.74:54111 54111.duckdns.org tcp

Files

memory/4368-0-0x0000000000DE0000-0x0000000000F4B000-memory.dmp

memory/4748-1-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4368-6-0x0000000000F60000-0x0000000000F61000-memory.dmp

memory/4748-7-0x0000000073332000-0x0000000073333000-memory.dmp

memory/4368-9-0x0000000000DE0000-0x0000000000F4B000-memory.dmp

memory/4748-10-0x0000000073330000-0x00000000738E1000-memory.dmp

memory/4748-11-0x0000000073330000-0x00000000738E1000-memory.dmp

memory/4748-13-0x0000000073330000-0x00000000738E1000-memory.dmp

memory/4748-14-0x0000000073332000-0x0000000073333000-memory.dmp

memory/4748-15-0x0000000073330000-0x00000000738E1000-memory.dmp

memory/4748-16-0x0000000073330000-0x00000000738E1000-memory.dmp