nanocore | cc0acc65cdc0604b80ead05f727ca6718e321176cbc70a2ddf1f36e3d59b1d37

General

Target

fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe
Size

405KB
MD5

27b0bbbcfc777cf7245a2ae4f9d01b69
SHA1

7a7f499a9cb5994f1135cb5935c3f6843962f15f
SHA256

fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf
SHA512

9c69b9c103517ac1b93b59b4ff550225b09cef212d02dab7834fa6c63d75f7e05dc3f5f2a67810a6a8e83acf56e9af9aac3105f9736665f4a063d85d852a9d9e
SSDEEP

12288:dnXcypamQ4HucawiYJPhjV1VxoMmwldE:NHuc9iW71VxXlu

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

williamscomputer101.ddns.net:16554

91.193.75.135:16554

Mutex

768970b2-01a6-4c33-a5ae-8582afdb6c49

Attributes

activate_away_mode
true
backup_connection_host
91.193.75.135
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-11-30T13:00:18.988692336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
16554
default_group
Billionare
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
768970b2-01a6-4c33-a5ae-8582afdb6c49
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
williamscomputer101.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

aspnet_compiler.exepowershell.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisv.exe"	aspnet_compiler.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\RZTHXHelper = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Recent\\RZTHX\\RZTHXHelper.exe"	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe

description	pid	process	target process
PID 1236 set thread context of 2032	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe

Drops file in Program Files directory 2 IoCs

Processes:

aspnet_compiler.exe

description	ioc	process
File created	C:\Program Files (x86)\SCSI Service\scsisv.exe	aspnet_compiler.exe
File opened for modification	C:\Program Files (x86)\SCSI Service\scsisv.exe	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeaspnet_compiler.exe

pid process

1548 powershell.exe
2032 aspnet_compiler.exe
2032 aspnet_compiler.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

aspnet_compiler.exe

pid process

2032 aspnet_compiler.exe

pid	process
1548	powershell.exe
2032	aspnet_compiler.exe
2032	aspnet_compiler.exe

pid	process
2032	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exefc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	1548	powershell.exe
Token: SeDebugPrivilege	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe
Token: SeDebugPrivilege	2032	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe

description	pid	process	target process
PID 1236 wrote to memory of 1548	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	powershell.exe
PID 1236 wrote to memory of 1548	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	powershell.exe
PID 1236 wrote to memory of 1548	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	powershell.exe
PID 1236 wrote to memory of 1548	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	powershell.exe
PID 1236 wrote to memory of 2032	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 1236 wrote to memory of 2032	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 1236 wrote to memory of 2032	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 1236 wrote to memory of 2032	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 1236 wrote to memory of 2032	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 1236 wrote to memory of 2032	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 1236 wrote to memory of 2032	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 1236 wrote to memory of 2032	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe
PID 1236 wrote to memory of 2032	1236	fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe
"C:\Users\Admin\AppData\Local\Temp\fc45e859218d968355dab61237025b551710f8329c1e50cf10342826222c21bf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'RZTHXHelper';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'RZTHXHelper' -Value '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\RZTHX\RZTHXHelper.exe"' -PropertyType 'String'
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1548

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2032

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1236-84-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-64-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-56-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download
memory/1236-54-0x0000000000EA0000-0x0000000000F06000-memory.dmp

Filesize
408KB

Download
memory/1236-97-0x0000000004AF5000-0x0000000004B13000-memory.dmp

Filesize
120KB

Download
memory/1236-62-0x0000000000CE0000-0x0000000000CFC000-memory.dmp

Filesize
112KB

Download
memory/1236-63-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-82-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-66-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-68-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-70-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-72-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-74-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-86-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-80-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-78-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-76-0x0000000000CE0000-0x0000000000CF5000-memory.dmp

Filesize
84KB

Download
memory/1236-55-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download
memory/1548-60-0x0000000002580000-0x00000000025C0000-memory.dmp

Filesize
256KB

Download
memory/1548-61-0x0000000002580000-0x00000000025C0000-memory.dmp

Filesize
256KB

Download
memory/2032-94-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-92-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-90-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-88-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-91-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2032-89-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-96-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-87-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-100-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2032-101-0x0000000000500000-0x000000000051E000-memory.dmp

Filesize
120KB

Download
memory/2032-102-0x0000000000520000-0x000000000052A000-memory.dmp

Filesize
40KB

Download
memory/2032-103-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

Filesize
256KB

Download
memory/2032-104-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads