Malware Analysis Report

2024-08-06 15:22

Sample ID 240524-qgg7gafb3w
Target 6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118
SHA256 adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45
Tags
nanocore evasion keylogger persistence 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

adcd5653aef1f4d40255ca3a8fc053939c24ed41dbd4bb23f6631ec0d2617b45

Threat Level: Known bad

The file 6ea0e648cf5d9bf34ef9a232880e9ff3_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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

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
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-24 13:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-24 13:13

Reported

2024-05-24 13:16

Platform

win7-20240508-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\windows_updates = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows_updates.exe\"" C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\mscorelib = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe\"" C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe" C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.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\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 868 set thread context of 2296 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 868 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 868 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 868 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 868 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 868 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 868 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 868 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 868 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 868 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe

Network

Country Destination Domain Proto
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp

Files

memory/868-0-0x0000000074B61000-0x0000000074B62000-memory.dmp

memory/868-2-0x0000000074B60000-0x000000007510B000-memory.dmp

memory/868-3-0x0000000074B60000-0x000000007510B000-memory.dmp

memory/2296-4-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2296-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2296-8-0x0000000000400000-0x0000000000438000-memory.dmp

memory/868-19-0x0000000074B60000-0x000000007510B000-memory.dmp

memory/2296-18-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2296-16-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2296-14-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2296-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2296-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2296-20-0x0000000074B60000-0x000000007510B000-memory.dmp

memory/2296-22-0x0000000074B60000-0x000000007510B000-memory.dmp

memory/2296-21-0x0000000074B60000-0x000000007510B000-memory.dmp

memory/2296-25-0x0000000074B60000-0x000000007510B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-24 13:13

Reported

2024-05-24 13:16

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windows_updates = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows_updates.exe\"" C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mscorelib = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe\"" C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe" C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.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\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4608 set thread context of 4956 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\DPI Subsystem\dpiss.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\DPI Subsystem\dpiss.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4608 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 4608 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 4608 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 4608 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 4608 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 4608 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 4608 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe
PID 4608 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\6ea0e648cf5d9bf34ef9a232880e9ff3_JaffaCakes118.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 191.101.42.138:935 tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 191.101.42.138:935 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
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
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 8.8.8.8:53 241.197.17.2.in-addr.arpa udp
US 191.101.42.138:935 tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 8.8.8.8:53 48.229.111.52.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 191.101.42.138:935 tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp
US 191.101.42.138:935 tcp

Files

memory/4608-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp

memory/4608-1-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/4608-3-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/4956-4-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4608-7-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/4956-6-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/4956-8-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/4956-11-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/4956-12-0x0000000074CF0000-0x00000000752A1000-memory.dmp

memory/4956-13-0x0000000074CF0000-0x00000000752A1000-memory.dmp