nanocore

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General

Target
PO _ FL045835680 TL057638990 19th November 2025 Mumbai 001.pdf.bz
Size 600KB
Sample251121-e9bplscn6w
SHA256 11a39a31c800a96a5a6ad99fbeed7cd5f847f87bb390b85b7db0a44fa2139126
MD5 930325c2d3b5c53eea17494a38687b8c
SHA1 f532c0c3b991f6d630a9152e59e3b9c29dff38ed
SHA512 bed92df36256088964363b8bc381ad6633ff8eee8d0b60f80eeea57a1aa6bcdb5b5cd0fa81b0e00c3f09f8462fbdda53ecf49e513b04d1fcc757b5067151a583
SSDEEP 12288:cC+rLM3bgfukzRQwMGpGkuyU8sRLHehluKQW0eJKsDmyQ:csqzWwMGpFsSEfeJKWw
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

appremiumoilfield.duckdns.org:55008
linmaco001.abrdns.com:55008

Mutex

fe98492f-10ac-4dc4-8a8b-6c2e81662ff0

Attributes

activate_away_mode
false
backup_connection_host
linmaco001.abrdns.com
backup_dns_server
8.8.4.4
buffer_size
65538
build_time
2025-08-19T03:28:25.438974436Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
55008
default_group
ON GOD
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
fe98492f-10ac-4dc4-8a8b-6c2e81662ff0
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
appremiumoilfield.duckdns.org
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
8009

Targets

- Target
  PO _ FL045835680 TL057638990 19th November 2025 Mumbai 001.exe
- Size 657KB
- SHA256 e8e92832fb6fd6f8bccc6f890a599da44b92ed1a488a129a83efc01017cc5e7b
- MD5 d6c90185ccfb5d0a695e2bfbba2ecf6b
- SHA1 3eb0d50b8b475be270be5dc1a4359780f3b0c861
- SHA512 bd9f53ed5cf43892d77d8f33d4392ab46fae63873e2bf40a8b7c24aec8f9ef217f76904389bdd09065d6b78d68fe8056bd6f9f7f098ddff40bf7add8dd2baea8
- SSDEEP 12288:6/V12Rec0YL+zloWqiY4JyL+SftElgB+r7ZNK8X8pLojRskLY9nJEwCHu/:6/V0ezlo9JRf1Cp5o8XqojmfnNf/
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

discovery execution nanocore keylogger persistence spyware stealer trojan
- NanoCore
  NanoCore is a remote access tool (RAT) with a variety of capabilities.
  keylogger trojan stealer spyware nanocore
- Nanocore family
  nanocore
- Command and Scripting Interpreter: PowerShell
  Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
  execution
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Adds Run key to start application
  persistence
- Suspicious use of SetThreadContext
behavioral1 behavioral2