General
- Target mebi.exe
- Size 202KB
- Sample260720-eme4hsev8p
- SHA256 d733c41692ef27d0a925ed79d5b09d9ff981c943e6a686d245cf420e06043b95
- MD5 100964269cd0b904e8a91a1e0e637db7
- SHA1 19e0253b7e48afe7f01b8749b8475c5c5780cce7
- SHA512 f543b0efeabce0f4b2c9ed72fed38088d3e09a37eb134a150d375574d034a5ff6acb344b7d3b0be20579db96eb458d1869209ab9f1f27751f6a1dfdf69de867d
- SSDEEP 6144:gLV6Bta6dtJmakIM5b4w9QT09e8iCp1Tz5klf:gLV6Btpmk6IIc8iCp1P5klf
- TLSH T1B114CF1137A94A2EE2DF8679612201129379C3E7ACC3F3EE19D451B39F267E50A470E7
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
mebi.exe
Resource
win10ltsc2021-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
mebi.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral3
Sample
mebi.exe
Resource
win11-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral4
Sample
mebi.exe
Resource
win11ltsc2024-20260709-en
9 signatures
150 seconds
Malware Config
Extracted
Family
-
nanocore
Version
-
1.2.2.0
C2
-
mebicentert.ru.com:443
-
nk888888.com:443
Mutex
-
538b50b5-6585-4291-ba4d-44d0cad58a6b
Attributes
-
activate_away_mode
false
-
backup_connection_host
nk888888.com
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2026-05-01T05:44:27.290727436Z
-
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
Mebicentert
-
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
538b50b5-6585-4291-ba4d-44d0cad58a6b
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
mebicentert.ru.com
-
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
Targets
-
- Target mebi.exe
- Size 202KB
- SHA256 d733c41692ef27d0a925ed79d5b09d9ff981c943e6a686d245cf420e06043b95
- MD5 100964269cd0b904e8a91a1e0e637db7
- SHA1 19e0253b7e48afe7f01b8749b8475c5c5780cce7
- SHA512 f543b0efeabce0f4b2c9ed72fed38088d3e09a37eb134a150d375574d034a5ff6acb344b7d3b0be20579db96eb458d1869209ab9f1f27751f6a1dfdf69de867d
- SSDEEP 6144:gLV6Bta6dtJmakIM5b4w9QT09e8iCp1Tz5klf:gLV6Btpmk6IIc8iCp1P5klf
- TLSH T1B114CF1137A94A2EE2DF8679612201129379C3E7ACC3F3EE19D451B39F267E50A470E7
- 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