Malware Analysis Report

2024-10-23 19:45

Sample ID 240426-pq2f2acd8v
Target 00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118
SHA256 a362929e65afd8e8746d815d52063ff3b94dc8ef6e7486e72947793bb6722e13
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

a362929e65afd8e8746d815d52063ff3b94dc8ef6e7486e72947793bb6722e13

Threat Level: Known bad

The file 00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger persistence spyware stealer trojan

NanoCore

Nanocore family

Checks whether UAC is enabled

Adds Run key to start application

Drops file in Program Files directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-26 12:32

Signatures

Nanocore family

nanocore

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-26 12:32

Reported

2024-04-26 12:35

Platform

win7-20240221-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.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\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe" C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_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\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\DHCP Host\dhcphost.exe C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\DHCP Host\dhcphost.exe C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp

Files

memory/1032-0-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/1032-1-0x0000000000840000-0x0000000000880000-memory.dmp

memory/1032-2-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/1032-5-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/1032-6-0x0000000000840000-0x0000000000880000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-26 12:32

Reported

2024-04-26 12:35

Platform

win10v2004-20240226-en

Max time kernel

152s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.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\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe" C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_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\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\SMTP Subsystem\smtpss.exe C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\SMTP Subsystem\smtpss.exe C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\00c7a592507f2e96070f4872f0abb4b5_JaffaCakes118.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4116 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 134.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 28.143.109.104.in-addr.arpa udp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.4.4:53 implciite.anondns.net udp
US 8.8.8.8:53 implciite.anondns.net udp
US 8.8.8.8:53 252.15.104.51.in-addr.arpa udp
N/A 127.0.0.1:6666 tcp
N/A 127.0.0.1:6666 tcp

Files

memory/1616-0-0x0000000074CA0000-0x0000000075251000-memory.dmp

memory/1616-1-0x0000000074CA0000-0x0000000075251000-memory.dmp

memory/1616-2-0x0000000001BA0000-0x0000000001BB0000-memory.dmp

memory/1616-5-0x0000000001BA0000-0x0000000001BB0000-memory.dmp

memory/1616-6-0x0000000074CA0000-0x0000000075251000-memory.dmp

memory/1616-7-0x0000000074CA0000-0x0000000075251000-memory.dmp

memory/1616-8-0x0000000001BA0000-0x0000000001BB0000-memory.dmp