Analysis
-
max time kernel
98s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
-
submitted
24-10-2022 12:25
General
-
Target
DHL Account Overdue Letter - 1301755651.exe
-
Size
842KB
-
MD5
664d5c829d9c66ff4922a5d39d03deca
-
SHA1
2687185bd88b713d91ee11eccad22a44389b7e06
-
SHA256
2f5f53f6f21e302f248f3684a76fd3622c8942ba1c8c23238d14fd0ea540e256
-
SHA512
3f52dc198d091cb09ff4e899f5ba53efeaae09f39e7d0e319ddacbb5cd7a71eb918a3583eca6c706d0d68e7f0205fd97f15569ac4e18f325d364302e98d1d87b
-
SSDEEP
12288:1B7pubXBkdJjNM3oubhaIV7sHPm7DxkVgvsiDymOEIdcN7e:1BCGddsoubRsHPmRkGlD4mNq
Malware Config
Extracted
nanocore
1.2.2.0
198.50.231.134:5498
9b971056-14d1-4d11-993c-89c2085bbd7c
-
activate_away_mode
true
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2022-07-01T11:22:25.531243736Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
true
-
connect_delay
4000
-
connection_port
5498
-
default_group
miracle
-
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
9b971056-14d1-4d11-993c-89c2085bbd7c
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
198.50.231.134
-
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
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.
-
Checks whether UAC is enabled 1 TTPs 1 IoCs
-
Suspicious use of SetThreadContext 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 6 IoCs
-
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 2 IoCs
-
Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Account Overdue Letter - 1301755651.exe"C:\Users\Admin\AppData\Local\Temp\DHL Account Overdue Letter - 1301755651.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DHL Account Overdue Letter - 1301755651.exe"C:\Users\Admin\AppData\Local\Temp\DHL Account Overdue Letter - 1301755651.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
40KB
-
Filesize
48KB
-
Filesize
80KB
-
Filesize
184KB
-
Filesize
120KB
-
Filesize
56KB
-
Filesize
224KB
-
Filesize
224KB
-
Filesize
224KB
-
Filesize
224KB
-
-
Filesize
40KB
-
Filesize
224KB
-
Filesize
224KB
-
Filesize
80KB
-
Filesize
64KB
-
Filesize
224KB
-
Filesize
72KB
-
Filesize
104KB
-
Filesize
56KB
-
Filesize
72KB
-
Filesize
56KB
-
Filesize
80KB
-
Filesize
8KB
-
Filesize
464KB
-
Filesize
88KB
-
Filesize
232KB
-
Filesize
48KB
-
Filesize
872KB