General
- Target https://wetransfer.com/downloads/15f451dc9e5d1d9c74f27f15d720eb1620260628175407/4cfb1d?t_exp=1782928447&t_lsid=fcaddb86-4c46-4404-b859-4e914e080f1d&t_network=link&t_rid=ZW1haWx8Njc2ODBiZjgzYjQ1MTBjYmM4ZTVlZjQ4&t_s=download_link&t_ts=1782669260
- Sample260628-xb16qact3q
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://wetransfer.com/downloads/15f451dc9e5d1d9c74f27f15d720eb1620260628175407/4cfb1d?t_exp=1782928447&t_lsid=fcaddb86-4c46-4404-b859-4e914e080f1d&t_network=link&t_rid=ZW1haWx8Njc2ODBiZjgzYjQ1MTBjYmM4ZTVlZjQ4&t_s=download_link&t_ts=1782669260
Resource
win10v2004-20260513-de
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
luttydin.ddns.net:54984
-
127.0.0.1:54984
-
2974511b-85f7-4b21-b22c-93c684040308
-
activate_away_mode
true
-
backup_connection_host
127.0.0.1
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2026-04-09T19:33:14.816109936Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
3997
-
connection_port
54984
-
default_group
Default
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.0485781e+07
-
mutex
2974511b-85f7-4b21-b22c-93c684040308
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
luttydin.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 https://wetransfer.com/downloads/15f451dc9e5d1d9c74f27f15d720eb1620260628175407/4cfb1d?t_exp=1782928447&t_lsid=fcaddb86-4c46-4404-b859-4e914e080f1d&t_network=link&t_rid=ZW1haWx8Njc2ODBiZjgzYjQ1MTBjYmM4ZTVlZjQ4&t_s=download_link&t_ts=1782669260
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Downloads MZ/PE file
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Adds Run key to start application
-
Checks whether UAC is enabled
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1