Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260126-en - resource tags
- submitted
28/01/2026, 17:13
General
- Target winninitt.exe
- Size 202KB
- Sample260128-vrprhsgv8a
- SHA256 150dc6dbcb7d60ef0abc79d5b15be1725d5c5ff10a4199a9cf916c5888c3ab97
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
82.29.92.238:26163
-
skittlesforlife.anondns.net:26163
-
b3a3b16d-a1ee-4bd5-80e5-182b5d3f0c45
-
activate_away_mode
true
-
backup_connection_host
skittlesforlife.anondns.net
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2025-07-18T18:06:36.167725836Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
26163
-
default_group
Incoming!!!
-
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
b3a3b16d-a1ee-4bd5-80e5-182b5d3f0c45
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
82.29.92.238
-
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
Signatures
- NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- Nanocore family
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Drops file in Program Files directory 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 15 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\winninitt.exe"C:\Users\Admin\AppData\Local\Temp\winninitt.exe"1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
C:\Program Files (x86)\DSL Manager\dslmgr.exe"C:\Program Files (x86)\DSL Manager\dslmgr.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
dslmgr.exe
memory/5800-7-0x0000000074A90000-0x0000000075041000-memory.dmp
memory/5800-8-0x0000000074A90000-0x0000000075041000-memory.dmp
memory/5800-14-0x0000000074A90000-0x0000000075041000-memory.dmp
memory/6004-0-0x0000000000DA0000-0x0000000000DB0000-memory.dmp
memory/6004-1-0x0000000074A92000-0x0000000074A94000-memory.dmp
memory/6004-4-0x0000000074A90000-0x0000000075041000-memory.dmp
memory/6004-12-0x0000000000DA0000-0x0000000000DB0000-memory.dmp
memory/6004-15-0x0000000074A92000-0x0000000074A94000-memory.dmp
memory/6004-16-0x0000000074A90000-0x0000000075041000-memory.dmp