nanocore

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General

Target

PO-45728-10876.doc
Size

707KB
Sample

241010-nn3qmsvcqf
MD5

9bdd083aaef05b39d23fb9ed8233f4aa
SHA1

16d3d99062473242cbdd15a7a99571c49c4cad31
SHA256

5f5728979d8799b9b89344289d10afad316e95c8752b20d4ae3b1558844b336b
SHA512

4f82654b87b637662a8587cf6f851491e66591d2f53cb863f323cc3a0f6aacdae23b1b4a3d1bb943103b70012e2a4e1461551e566b31e0dcbec7c86a973ca8f0
SSDEEP

6144:YwAYwAYwAYwAYwAYwAYwAYwAFSPGSpGeNKgYJ67SEv1TEQPdsh:9r

Score

10^/10

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

blv23728.ddns.net:6110

127.0.0.1:6110

Mutex

7c49fc8b-b4e3-4ea2-a895-eda0223cb79d

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-07-11T09:55:17.304143036Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6110
default_group
M3M3
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
7c49fc8b-b4e3-4ea2-a895-eda0223cb79d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
blv23728.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

Targets

- Target
  
  PO-45728-10876.doc
- Size
  
  707KB
- MD5
  
  9bdd083aaef05b39d23fb9ed8233f4aa
- SHA1
  
  16d3d99062473242cbdd15a7a99571c49c4cad31
- SHA256
  
  5f5728979d8799b9b89344289d10afad316e95c8752b20d4ae3b1558844b336b
- SHA512
  
  4f82654b87b637662a8587cf6f851491e66591d2f53cb863f323cc3a0f6aacdae23b1b4a3d1bb943103b70012e2a4e1461551e566b31e0dcbec7c86a973ca8f0
- SSDEEP
  
  6144:YwAYwAYwAYwAYwAYwAYwAYwAFSPGSpGeNKgYJ67SEv1TEQPdsh:9r
Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan
- NanoCore
  NanoCore is a remote access tool (RAT) with a variety of capabilities.
  keylogger trojan stealer spyware nanocore
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
  Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
  execution
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Checks whether UAC is enabled
  evasion trojan
- Drops file in System32 directory
- Suspicious use of SetThreadContext
behavioral1 behavioral2