Malware Analysis Report

2024-10-23 19:45

Sample ID 240423-zz7phsbg8s
Target Test2.exe
SHA256 595ee121f09db84c800fea2180b08ff05908b3fd1eb80d55ef4c9110efe06c40
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: 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

595ee121f09db84c800fea2180b08ff05908b3fd1eb80d55ef4c9110efe06c40

Threat Level: Known bad

The file Test2.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 use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-23 21:10

Signatures

Nanocore family

nanocore

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-23 21:10

Reported

2024-04-23 21:13

Platform

win10v2004-20240412-en

Max time kernel

138s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Test2.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\Test2.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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Test2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Test2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Test2.exe

"C:\Users\Admin\AppData\Local\Temp\Test2.exe"

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\Test2.exe

"C:\Users\Admin\AppData\Local\Temp\Test2.exe"

C:\Users\Admin\AppData\Local\Temp\Test2.exe

"C:\Users\Admin\AppData\Local\Temp\Test2.exe"

Network

Country Destination Domain Proto
US 13.89.179.14:443 tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.64:5353 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 198.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.182:5353 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.122.107:5353 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 21.121.18.2.in-addr.arpa udp
BE 2.17.197.240:80 tcp
N/A 127.0.0.1:5353 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
N/A 127.0.0.1:5353 tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 48.251.17.2.in-addr.arpa udp
N/A 127.0.0.1:5353 tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.30.85:5353 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.98.232:5353 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 55.36.223.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.30.85:5353 0.tcp.in.ngrok.io tcp
N/A 127.0.0.1:5353 tcp
N/A 127.0.0.1:5353 tcp
N/A 127.0.0.1:5353 tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.98.232:5353 0.tcp.in.ngrok.io tcp

Files

memory/228-0-0x0000000075250000-0x0000000075801000-memory.dmp

memory/228-1-0x0000000075250000-0x0000000075801000-memory.dmp

memory/228-2-0x0000000000880000-0x0000000000890000-memory.dmp

memory/228-4-0x0000000075250000-0x0000000075801000-memory.dmp

memory/228-5-0x0000000075250000-0x0000000075801000-memory.dmp

memory/228-6-0x0000000000880000-0x0000000000890000-memory.dmp

memory/1784-7-0x0000000075250000-0x0000000075801000-memory.dmp

memory/1784-8-0x0000000001520000-0x0000000001530000-memory.dmp

memory/1784-9-0x0000000075250000-0x0000000075801000-memory.dmp

memory/4676-10-0x0000000075250000-0x0000000075801000-memory.dmp

memory/4676-11-0x0000000075250000-0x0000000075801000-memory.dmp

memory/1784-13-0x0000000075250000-0x0000000075801000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Test2.exe.log

MD5 5b4789d01bb4d7483b71e1a35bce6a8b
SHA1 de083f2131c9a763c0d1810c97a38732146cffbf
SHA256 e248cef9500ed6e0c9f99d72a2a6a36955a5f0cfc0725748ef25a733cc8282f6
SHA512 357e18ef30430e4b9cc4f2569b9735b1cd12f934c83162e4de78ac29ba9703b63ddb624ccc22afd5a5868f6e9d91a3c64581846abac22e9625f5b2e3d80b3ede

memory/4676-15-0x0000000075250000-0x0000000075801000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-23 21:10

Reported

2024-04-23 21:12

Platform

win7-20240221-en

Max time kernel

150s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Test2.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\Test2.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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Test2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Test2.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Test2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Test2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Test2.exe

"C:\Users\Admin\AppData\Local\Temp\Test2.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.122.107:5353 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.122.107:5353 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.115.64:5353 0.tcp.in.ngrok.io tcp
N/A 127.0.0.1:5353 tcp
N/A 127.0.0.1:5353 tcp
N/A 127.0.0.1:5353 tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.122.107:5353 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.98.232:5353 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.30.85:5353 0.tcp.in.ngrok.io tcp
N/A 127.0.0.1:5353 tcp
N/A 127.0.0.1:5353 tcp
N/A 127.0.0.1:5353 tcp
US 8.8.8.8:53 0.tcp.in.ngrok.io udp
IN 3.6.122.107:5353 0.tcp.in.ngrok.io tcp
US 8.8.8.8:53 udp

Files

memory/2928-0-0x0000000074B90000-0x000000007513B000-memory.dmp

memory/2928-1-0x0000000074B90000-0x000000007513B000-memory.dmp

memory/2928-2-0x0000000000130000-0x0000000000170000-memory.dmp

memory/2928-4-0x0000000074B90000-0x000000007513B000-memory.dmp

memory/2928-5-0x0000000074B90000-0x000000007513B000-memory.dmp

memory/2928-6-0x0000000000130000-0x0000000000170000-memory.dmp