Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20250502-en - resource tags
arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system - submitted
08/05/2026, 16:53
Behavioral task
behavioral1
Sample
gamebai789.clubnano.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
gamebai789.clubnano.exe
Resource
win11-20250502-en
General
- Target gamebai789.clubnano.exe
- Size 203KB
- Sample260508-vefcbaew7k
- SHA256 046aa9a23db05ad3b66aa0ecab5c169e85f3a599036937f646a8d773682cb84b
- MD5 48120f75f02d54387a3d49c129129f83
- SHA1 f0e6e8f2e963ab500a73986ed764b83553bd2e49
- SHA512 04dd3cdbefaeb1ca42f54605f3998c3e4328d2f3a28908dab0585d6492ac28ceb5ae7859a9688acfe7916dbfa6ee862e31d36bb0d94a8297ea76664ec72a3655
- SSDEEP 3072:szEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIHtP+1Nda82N+xdkv9iRLGeQLx:sLV6Bta6dtJmakIM5wkAgNpQ
- TLSH T14A14CF267BF98A2FE2DE86B9611212028379C2E399C3F3DE18D455B74F267E506071D3
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
gamebai789.club:443
-
dc4305c7-9033-47f2-be02-5c8b61e849ea
-
activate_away_mode
true
-
backup_connection_host
gamebai789.club
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2026-02-17T18:32:12.365142336Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
443
-
default_group
gamebai789.club
-
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
dc4305c7-9033-47f2-be02-5c8b61e849ea
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
gamebai789.club
-
primary_dns_server
8.8.8.8
-
request_elevation
false
-
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
- Executes dropped EXE 1 IoCs
pid Process 5836 tcpss.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe" gamebai789.clubnano.exe - Checks whether UAC is enabled 1 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA gamebai789.clubnano.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\TCP Subsystem\tcpss.exe gamebai789.clubnano.exe File opened for modification C:\Program Files (x86)\TCP Subsystem\tcpss.exe gamebai789.clubnano.exe - System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gamebai789.clubnano.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gamebai789.clubnano.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tcpss.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1140 schtasks.exe 4056 schtasks.exe - Suspicious behavior: EnumeratesProcesses 42 IoCs
pid Process 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe 908 gamebai789.clubnano.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 908 gamebai789.clubnano.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 908 gamebai789.clubnano.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 908 wrote to memory of 4056 908 gamebai789.clubnano.exe 78 PID 908 wrote to memory of 1140 908 gamebai789.clubnano.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\gamebai789.clubnano.exe"C:\Users\Admin\AppData\Local\Temp\gamebai789.clubnano.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
- Suspicious use of WriteProcessMemory
PID:908 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "TCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp73B9.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4056
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "TCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7408.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1140
-
-
C:\Users\Admin\AppData\Local\Temp\gamebai789.clubnano.exe"C:\Users\Admin\AppData\Local\Temp\gamebai789.clubnano.exe"1⤵
- System Location Discovery: System Language Discovery
PID:4488
-
C:\Program Files (x86)\TCP Subsystem\tcpss.exe"C:\Program Files (x86)\TCP Subsystem\tcpss.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5836
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files (x86)\TCP Subsystem\tcpss.exe
- Size 203KB
- SHA256 046aa9a23db05ad3b66aa0ecab5c169e85f3a599036937f646a8d773682cb84b
- MD5 48120f75f02d54387a3d49c129129f83
- SHA1 f0e6e8f2e963ab500a73986ed764b83553bd2e49
- SHA512 04dd3cdbefaeb1ca42f54605f3998c3e4328d2f3a28908dab0585d6492ac28ceb5ae7859a9688acfe7916dbfa6ee862e31d36bb0d94a8297ea76664ec72a3655
- SSDEEP 3072:szEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIHtP+1Nda82N+xdkv9iRLGeQLx:sLV6Bta6dtJmakIM5wkAgNpQ
- TLSH T14A14CF267BF98A2FE2DE86B9611212028379C2E399C3F3DE18D455B74F267E506071D3
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp73B9.tmp
- Size 1KB
- SHA256 982a367a0527cf69d11d51b9dcdf3f7f85f92470c8e92d9b6b6b695ee18ec89e
- MD5 b151f5aa9e705f02af856ef59f80be6a
- SHA1 81d3a947f41266ed9649c02510b0fe4eb3012fd5
- SHA512 6ba3959513523d0dc1a5254995801211dfd38bff831df91b80859208cee965bf05c13305fbc40800cf5e74da6abc596ee0d84d1b8dcc6d97cf8bde7c7a4c0653
- TLSH T1DC21C0A4ACC0F61F66719629A39197C2DF2A97A305564138FCCC4E7F3FB6186304316B
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp7408.tmp
- Size 1KB
- SHA256 062844155306130d6fafc4fe10ac9e5ddd2ed462532b729c50cdc979c0d83207
- MD5 4b7ef560289c0f62d0baf6f14f48a57a
- SHA1 8331acb90dde588aa3196919f6e847f398fd06d1
- SHA512 ecaa27c4b703d95f9f9b37d8c339982970482e7dab968c2010e0aa644bbfa31973111aafb827565af30c423d1d14e4ff997ec149614e713ff7ef3456894d02d8
- TLSH T14621E064ACC0F65B62714629A39197C2DF2A97A301564038FCCC4A7F2FB6186304317B
- MD5 SHA1 SHA512 TLSH