nanocore | 4bfcba248d79dfd6c2cba52d7c9ee18842f007bfa0e3ba99ababacb4794e8c6e

Analysis

max time kernel
117s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 23:04

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General

Target

file.exe
Size

552KB
MD5

1873f27a43f63c02800d6c80014c0235
SHA1

3441bba24453db09fb56e02a9d56cdf775886f07
SHA256

4bfcba248d79dfd6c2cba52d7c9ee18842f007bfa0e3ba99ababacb4794e8c6e
SHA512

9f2b663afc1cc3dbc8eba3278f61ffb41c19e42f94ee4c8a60eff83c8846b81d34e4ff869b643434a8ad5657c46bd06a712f0598062b62802ba6f0ee6f4fb8f2
SSDEEP

12288:WLV6BtpmkzPLrQIh+ReoSwN+Jp9rQj3SHdEIzqLPxc3hHyOm:EApfzPfQ9RecEp9NzUi3JyL

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansvc.exe"	file.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	file.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WAN Service\wansvc.exe	file.exe
File opened for modification	C:\Program Files (x86)\WAN Service\wansvc.exe	file.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2208	file.exe
2208	file.exe
2208	file.exe
2208	file.exe
2208	file.exe
2208	file.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2208	file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2208-0-0x0000000074611000-0x0000000074612000-memory.dmp

Filesize
4KB

Download
memory/2208-2-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2208-1-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2208-7-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download