General
- Target Stage0.exe
- Size 844KB
- Sample260612-vm3gtabv9l
- SHA256 abd9e0b14bebbe2a41b964a2817b329d9f06f8dd4742e60720c59bf4e3c36149
- MD5 ba4ec40c84c493b53da2e0f01e49764d
- SHA1 be170dcca557b39f7d2d168551601388480ef369
- SHA512 42ad57e31c0e7d5964a086ddb0a975c0ba04de8a54739d9e355711388e223e4e315d3a5e08a16bb3bdf3fc77ac5917cc0d9046af46952afabd82270f2c8c366f
- SSDEEP 24576:pmYWrwY11BsXZBGcm+qT3jE2CTQfV3u8febHnL:IlrwsBiLGc8TMTQfVvfoHnL
- TLSH T1C7052322C1C615BAEF29C3726B2101A7C5B1EAFFDE22DE7927E4100B76AF7500975523
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Stage0.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Stage0.exe
Resource
win11-20260513-en
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
skynet3.ydns.eu:10134
-
skynet2.ydns.eu:10134
-
744e7b6d-d4dd-411b-a584-485cec7bc407
-
activate_away_mode
false
-
backup_connection_host
skynet2.ydns.eu
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2026-03-24T15:32:36.450100836Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
10134
-
default_group
Xploit
-
enable_debug_mode
true
-
gc_threshold
1.0485754e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2497
-
max_packet_size
1.0485757e+07
-
mutex
744e7b6d-d4dd-411b-a584-485cec7bc407
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
skynet3.ydns.eu
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
-
set_critical_process
true
-
timeout_interval
4997
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Targets
-
- Target Stage0.exe
- Size 844KB
- SHA256 abd9e0b14bebbe2a41b964a2817b329d9f06f8dd4742e60720c59bf4e3c36149
- MD5 ba4ec40c84c493b53da2e0f01e49764d
- SHA1 be170dcca557b39f7d2d168551601388480ef369
- SHA512 42ad57e31c0e7d5964a086ddb0a975c0ba04de8a54739d9e355711388e223e4e315d3a5e08a16bb3bdf3fc77ac5917cc0d9046af46952afabd82270f2c8c366f
- SSDEEP 24576:pmYWrwY11BsXZBGcm+qT3jE2CTQfV3u8febHnL:IlrwsBiLGc8TMTQfVvfoHnL
- TLSH T1C7052322C1C615BAEF29C3726B2101A7C5B1EAFFDE22DE7927E4100B76AF7500975523
- MD5 SHA1 SHA512 SSDEEP TLSH
-
r77 rootkit payload
Detects the payload of the r77 rootkit.
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Checks whether UAC is enabled
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Event Triggered Execution
1AppInit DLLs
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Event Triggered Execution
1AppInit DLLs
1