Malware Analysis Report

2024-08-06 15:23

Sample ID 240519-lhtvfacb39
Target 59b7614d00bd1f06ad991521816ad61e_JaffaCakes118
SHA256 cdb995f6a1142caf5de8527902e32cef1159f4d9cf2e657b42373e9e73a09d74
Tags
nanocore keylogger persistence spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

cdb995f6a1142caf5de8527902e32cef1159f4d9cf2e657b42373e9e73a09d74

Threat Level: Known bad

The file 59b7614d00bd1f06ad991521816ad61e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore keylogger persistence spyware stealer trojan

NanoCore

Adds Run key to start application

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Privilege Escalation
TA0004
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-19 09:32

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: behavioral2

Detonation Overview

Submitted

2024-05-19 09:32

Reported

2024-05-19 09:35

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GmvrIrEvSa = "C:\\Users\\Public\\GmvrIrEvSa.vbs" C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3388 set thread context of 4060 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

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
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3388 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 3388 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 3388 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 3388 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 3388 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 nanocore511.ddns.net udp
US 8.8.8.8:53 nanocore511.ddns.net udp
NO 194.5.98.84:1129 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
US 8.8.8.8:53 nanocore511.ddns.net udp
US 8.8.8.8:53 nanocore511.ddns.net udp
NO 194.5.98.84:1129 tcp
US 8.8.8.8:53 194.254.1.23.in-addr.arpa udp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
US 8.8.8.8:53 nanocore511.ddns.net udp
US 8.8.8.8:53 nanocore511.ddns.net udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
US 8.8.8.8:53 nanocore511.ddns.net udp
US 8.8.8.8:53 nanocore511.ddns.net udp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
US 8.8.8.8:53 nanocore511.ddns.net udp

Files

memory/4060-2-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3388-7-0x0000000003E70000-0x0000000003E71000-memory.dmp

memory/4060-8-0x0000000073D92000-0x0000000073D93000-memory.dmp

memory/4060-9-0x0000000073D90000-0x0000000074341000-memory.dmp

memory/4060-10-0x0000000073D90000-0x0000000074341000-memory.dmp

memory/4060-12-0x0000000073D90000-0x0000000074341000-memory.dmp

memory/4060-13-0x0000000073D92000-0x0000000073D93000-memory.dmp

memory/4060-14-0x0000000073D90000-0x0000000074341000-memory.dmp

memory/4060-15-0x0000000073D90000-0x0000000074341000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-19 09:32

Reported

2024-05-19 09:35

Platform

win7-20240419-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\GmvrIrEvSa = "C:\\Users\\Public\\GmvrIrEvSa.vbs" C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 992 set thread context of 2604 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

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
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 992 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 992 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 992 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 992 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 992 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 992 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 992 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 992 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 992 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\59b7614d00bd1f06ad991521816ad61e_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 nanocore511.ddns.net udp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp
NO 194.5.98.84:1129 tcp

Files

memory/2604-2-0x0000000000400000-0x0000000000438000-memory.dmp

memory/992-11-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/2604-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2604-9-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2604-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2604-3-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2604-12-0x0000000073FB1000-0x0000000073FB2000-memory.dmp

memory/2604-13-0x0000000073FB0000-0x000000007455B000-memory.dmp

memory/2604-14-0x0000000073FB0000-0x000000007455B000-memory.dmp

memory/2604-16-0x0000000073FB0000-0x000000007455B000-memory.dmp

memory/2604-17-0x0000000073FB0000-0x000000007455B000-memory.dmp

memory/2604-18-0x0000000073FB0000-0x000000007455B000-memory.dmp