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