Malware Analysis Report

2024-10-19 07:05

Sample ID 240807-hg3t6sxare
Target xcy.exe
SHA256 785a0ef948a03ad85db1d57fb20d2f45de28327fb3495dd123daeac057b51982
Tags
nanocore discovery 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

785a0ef948a03ad85db1d57fb20d2f45de28327fb3495dd123daeac057b51982

Threat Level: Known bad

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

Malicious Activity Summary

nanocore discovery evasion keylogger persistence spyware stealer trojan

Nanocore family

NanoCore

Adds Run key to start application

Checks whether UAC is enabled

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-07 06:43

Signatures

Nanocore family

nanocore

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-07 06:43

Reported

2024-08-07 06:45

Platform

win7-20240729-en

Max time kernel

141s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\xcy.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\NAT Service = "C:\\Program Files (x86)\\NAT Service\\natsvc.exe" C:\Users\Admin\AppData\Local\Temp\xcy.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\xcy.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\NAT Service\natsvc.exe C:\Users\Admin\AppData\Local\Temp\xcy.exe N/A
File opened for modification C:\Program Files (x86)\NAT Service\natsvc.exe C:\Users\Admin\AppData\Local\Temp\xcy.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\xcy.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp
US 8.8.8.8:53 axolotelgamar30.duckdns.org udp
DE 62.143.14.73:54984 axolotelgamar30.duckdns.org tcp
US 8.8.8.8:53 axolotelgamar30.duckdns.org udp
DE 62.143.14.73:54984 axolotelgamar30.duckdns.org tcp
US 8.8.8.8:53 axolotelgamar30.duckdns.org udp
DE 62.143.14.73:54984 axolotelgamar30.duckdns.org tcp
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp

Files

memory/580-0-0x0000000074AD1000-0x0000000074AD2000-memory.dmp

memory/580-1-0x0000000074AD0000-0x000000007507B000-memory.dmp

memory/580-2-0x0000000074AD0000-0x000000007507B000-memory.dmp

memory/580-5-0x0000000074AD0000-0x000000007507B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-07 06:43

Reported

2024-08-07 06:46

Platform

win10v2004-20240802-en

Max time kernel

138s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\xcy.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\DPI Manager = "C:\\Program Files (x86)\\DPI Manager\\dpimgr.exe" C:\Users\Admin\AppData\Local\Temp\xcy.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\xcy.exe N/A

Drops file in Program Files directory

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\xcy.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp
US 8.8.8.8:53 axolotelgamar30.duckdns.org udp
DE 62.143.14.73:54984 axolotelgamar30.duckdns.org tcp
US 8.8.8.8:53 axolotelgamar30.duckdns.org udp
DE 62.143.14.73:54984 axolotelgamar30.duckdns.org tcp
US 8.8.8.8:53 axolotelgamar30.duckdns.org udp
DE 62.143.14.73:54984 axolotelgamar30.duckdns.org tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp
US 8.8.8.8:53 axodnsfasters.duckdns.org udp
DE 62.143.14.73:54984 axodnsfasters.duckdns.org tcp

Files

memory/3588-0-0x0000000074DD2000-0x0000000074DD3000-memory.dmp

memory/3588-1-0x0000000074DD0000-0x0000000075381000-memory.dmp

memory/3588-2-0x0000000074DD0000-0x0000000075381000-memory.dmp

memory/3588-5-0x0000000074DD0000-0x0000000075381000-memory.dmp

memory/3588-6-0x0000000074DD2000-0x0000000074DD3000-memory.dmp

memory/3588-7-0x0000000074DD0000-0x0000000075381000-memory.dmp

memory/3588-8-0x0000000074DD0000-0x0000000075381000-memory.dmp