Malware Analysis Report

2024-08-06 14:43

Sample ID 240617-qalw3s1hrh
Target b8c0fcca908c761afc89bb81010637d8_JaffaCakes118
SHA256 aabb0dd4fec420a2b4eef5773d098cae314568ffb403cbad4c0228d4c6cd8d47
Tags
nanocore keylogger spyware stealer trojan
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

aabb0dd4fec420a2b4eef5773d098cae314568ffb403cbad4c0228d4c6cd8d47

Threat Level: Known bad

The file b8c0fcca908c761afc89bb81010637d8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore keylogger spyware stealer trojan

NanoCore

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Creates scheduled task(s)

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Scheduled Task/Job
T1053
Persistence
TA0003
Scheduled Task/Job
T1053
Privilege Escalation
TA0004
Scheduled Task/Job
T1053
Defense Evasion
TA0005
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

2024-06-17 13:03

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

2024-06-17 13:03

Reported

2024-06-17 13:06

Platform

win7-20231129-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20200610dc.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AboutSettingsHandlers.url C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1936 set thread context of 2748 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.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:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1936 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PID 1936 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PID 1936 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PID 1936 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PID 1936 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PID 1936 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PID 2748 wrote to memory of 2856 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe C:\Windows\SysWOW64\schtasks.exe
PID 2748 wrote to memory of 2856 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe C:\Windows\SysWOW64\schtasks.exe
PID 2748 wrote to memory of 2856 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe C:\Windows\SysWOW64\schtasks.exe
PID 2748 wrote to memory of 2856 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\20200610dc.exe

"C:\Users\Admin\AppData\Local\Temp\20200610dc.exe"

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

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

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpACD3.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp

Files

memory/1936-3-0x0000000000390000-0x00000000004CC000-memory.dmp

memory/1936-4-0x0000000000390000-0x00000000004CC000-memory.dmp

memory/2748-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2748-14-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2748-13-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2748-7-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2748-5-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2748-15-0x00000000747A1000-0x00000000747A2000-memory.dmp

memory/2748-16-0x00000000747A0000-0x0000000074D4B000-memory.dmp

memory/2748-17-0x00000000747A0000-0x0000000074D4B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpACD3.tmp

MD5 ae766004c0d8792953bafffe8f6a2e3b
SHA1 14b12f27543a401e2fe0af8052e116cab0032426
SHA256 1abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540
SHA512 e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567

memory/2748-22-0x00000000747A0000-0x0000000074D4B000-memory.dmp

memory/2748-23-0x00000000747A0000-0x0000000074D4B000-memory.dmp

memory/1936-24-0x0000000000390000-0x00000000004CC000-memory.dmp

memory/2748-25-0x00000000747A0000-0x0000000074D4B000-memory.dmp

memory/2748-26-0x00000000747A0000-0x0000000074D4B000-memory.dmp

memory/2748-27-0x00000000747A0000-0x0000000074D4B000-memory.dmp

memory/2748-28-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 13:03

Reported

2024-06-17 13:06

Platform

win10v2004-20240508-en

Max time kernel

145s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20200610dc.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AboutSettingsHandlers.url C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2520 set thread context of 3628 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.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:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2520 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PID 2520 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PID 2520 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PID 2520 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PID 2520 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\20200610dc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PID 3628 wrote to memory of 3944 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe C:\Windows\SysWOW64\schtasks.exe
PID 3628 wrote to memory of 3944 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe C:\Windows\SysWOW64\schtasks.exe
PID 3628 wrote to memory of 3944 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\20200610dc.exe

"C:\Users\Admin\AppData\Local\Temp\20200610dc.exe"

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

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

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "AGP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE1D4.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.4.4:53 smith2020.ddns.net udp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.4.4:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp
US 8.8.4.4:53 smith2020.ddns.net udp
US 8.8.8.8:53 smith2020.ddns.net udp

Files

memory/2520-3-0x0000000003B20000-0x0000000003B86000-memory.dmp

memory/2520-4-0x0000000003960000-0x00000000039C6000-memory.dmp

memory/3628-5-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3628-10-0x0000000074172000-0x0000000074173000-memory.dmp

memory/3628-11-0x0000000074170000-0x0000000074721000-memory.dmp

memory/3628-12-0x0000000074170000-0x0000000074721000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpE1D4.tmp

MD5 ae766004c0d8792953bafffe8f6a2e3b
SHA1 14b12f27543a401e2fe0af8052e116cab0032426
SHA256 1abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540
SHA512 e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567

memory/3628-17-0x0000000074170000-0x0000000074721000-memory.dmp

memory/3628-18-0x0000000074172000-0x0000000074173000-memory.dmp

memory/3628-19-0x0000000074170000-0x0000000074721000-memory.dmp

memory/3628-20-0x0000000074170000-0x0000000074721000-memory.dmp

memory/3628-21-0x0000000074170000-0x0000000074721000-memory.dmp