Malware Analysis Report

2024-10-23 19:44

Sample ID 240423-zyr8faca22
Target Test.exe
SHA256 b29c1555150098ca7885ddd1f406b7cd6b8ee86c2574cb98de17210213d8ebbb
Tags
nanocore evasion 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

b29c1555150098ca7885ddd1f406b7cd6b8ee86c2574cb98de17210213d8ebbb

Threat Level: Known bad

The file Test.exe was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger spyware stealer trojan

Nanocore family

NanoCore

Checks whether UAC is enabled

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-23 21:07

Signatures

Nanocore family

nanocore

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-23 21:07

Reported

2024-04-23 21:10

Platform

win7-20240221-en

Max time kernel

145s

Max time network

141s

Command Line

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

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

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\Test.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.182:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.98.232:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.98.232:10651 0.tcp.in.ngrok.io tcp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.122.107:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.98.232:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.98.232:10651 0.tcp.in.ngrok.io tcp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.182:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.122.107:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.182:10651 0.tcp.in.ngrok.io tcp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.122.107:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.30.85:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.182:10651 0.tcp.in.ngrok.io tcp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.182:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.30.85:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.30.85:10651 0.tcp.in.ngrok.io tcp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp

Files

memory/2868-0-0x00000000749A0000-0x0000000074F4B000-memory.dmp

memory/2868-2-0x0000000000A10000-0x0000000000A50000-memory.dmp

memory/2868-1-0x00000000749A0000-0x0000000074F4B000-memory.dmp

memory/2868-4-0x00000000749A0000-0x0000000074F4B000-memory.dmp

memory/2868-5-0x00000000749A0000-0x0000000074F4B000-memory.dmp

memory/2868-6-0x0000000000A10000-0x0000000000A50000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-23 21:07

Reported

2024-04-23 21:10

Platform

win10v2004-20240226-en

Max time kernel

114s

Max time network

119s

Command Line

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

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

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\Test.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A
N/A 0.tcp.in.ngrok.io N/A N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\Test.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=4256 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.98.232:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.98.6.3.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.98.232:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.98.232:10651 0.tcp.in.ngrok.io tcp
N/A 127.0.0.1:10651 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
N/A 127.0.0.1:10651 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 21.121.18.2.in-addr.arpa udp
N/A 127.0.0.1:10651 tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.182:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 182.115.6.3.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.182:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.122.107:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 107.122.6.3.in-addr.arpa udp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.30.85:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 85.30.6.3.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.182:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.122.107:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
N/A 127.0.0.1:10651 tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.182:10651 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.182:10651 0.tcp.in.ngrok.io tcp

Files

memory/372-0-0x0000000074FC0000-0x0000000075571000-memory.dmp

memory/372-1-0x0000000074FC0000-0x0000000075571000-memory.dmp

memory/372-2-0x0000000001260000-0x0000000001270000-memory.dmp

memory/372-4-0x0000000001260000-0x0000000001270000-memory.dmp

memory/372-5-0x0000000074FC0000-0x0000000075571000-memory.dmp

memory/372-6-0x0000000074FC0000-0x0000000075571000-memory.dmp

memory/372-7-0x0000000001260000-0x0000000001270000-memory.dmp

memory/372-8-0x0000000001260000-0x0000000001270000-memory.dmp

memory/4328-9-0x0000000074FC0000-0x0000000075571000-memory.dmp

memory/4328-10-0x0000000001A00000-0x0000000001A10000-memory.dmp

memory/4328-11-0x0000000074FC0000-0x0000000075571000-memory.dmp

memory/4328-13-0x0000000074FC0000-0x0000000075571000-memory.dmp