General
- Target Login_uu88.exe
- Size 202KB
- Sample260910-rhwa6avbrh
- SHA256 e65025324e120e9515e064109a208054a7a08a05cdf97b5319d0b59341f39197
- MD5 d96f94049b702f5725891c588389c752
- SHA1 3fbdc2ea0c30843a84c3594d12c9c9fd9f2b2908
- SHA512 23a97ce2195424851777da0c0dcd10304aed0744a6f47d13c5f07a280740937ae3860d596c6b6480e5487246a69b6b4c2c70105cfed141a2a68bfd66049d886c
- SSDEEP 6144:QLV6Bta6dtJmakIM5ozknvODrnm3nsBY0koBHo9:QLV6Btpmk94nvynm0Y3yo9
- TLSH T13114CF567BE84A2FE2DE85B9711215128378C2E399C3F3EE28D455B78F267E40A071D3
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
Login_uu88.exe
Resource
win11ltsc2024-20260709-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
Login_uu88.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral3
Sample
Login_uu88.exe
Resource
win10ltsc2021-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral4
Sample
Login_uu88.exe
Resource
win11-20260513-en
9 signatures
150 seconds
Malware Config
Extracted
Family
-
nanocore
Version
-
1.2.2.0
C2
-
uu88.ooo:443
-
www.uu88.ooo:443
Mutex
-
44f13f33-519a-4b5e-a843-b497fb4cc094
Attributes
-
activate_away_mode
false
-
backup_connection_host
www.uu88.ooo
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2026-06-22T15:53:25.514639536Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
443
-
default_group
UU88
-
enable_debug_mode
false
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
44f13f33-519a-4b5e-a843-b497fb4cc094
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
uu88.ooo
-
primary_dns_server
8.8.8.8
-
request_elevation
false
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
false
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Targets
-
- Target Login_uu88.exe
- Size 202KB
- SHA256 e65025324e120e9515e064109a208054a7a08a05cdf97b5319d0b59341f39197
- MD5 d96f94049b702f5725891c588389c752
- SHA1 3fbdc2ea0c30843a84c3594d12c9c9fd9f2b2908
- SHA512 23a97ce2195424851777da0c0dcd10304aed0744a6f47d13c5f07a280740937ae3860d596c6b6480e5487246a69b6b4c2c70105cfed141a2a68bfd66049d886c
- SSDEEP 6144:QLV6Bta6dtJmakIM5ozknvODrnm3nsBY0koBHo9:QLV6Btpmk94nvynm0Y3yo9
- TLSH T13114CF567BE84A2FE2DE85B9711215128378C2E399C3F3EE28D455B78F267E40A071D3
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Executes dropped EXE
-
Adds Run key to start application
-
Checks whether UAC is enabled
MITRE ATT&CK Enterprise v16
Tasks
static1
keyloggertrojanstealerspywarenanocore
Score
10/10
behavioral1
defense_evasiondiscoverynanocorekeyloggerpersistencespywarestealertrojan
Score
10/10
behavioral2
defense_evasiondiscoverynanocorekeyloggerpersistencespywarestealertrojan
Score
10/10
behavioral3
defense_evasiondiscoverynanocorekeyloggerpersistencespywarestealertrojan
Score
10/10
behavioral4
defense_evasiondiscoverynanocorekeyloggerpersistencespywarestealertrojan
Score
10/10