Analysis
- max time kernel
53s - max time network
173s - platform
windows7_x64 - resource
win7v20210410 - submitted
09/08/2021, 10:17
General
- Target Swift Copy Details.pdf.exe
- Size 797KB
- Sample210809-h6mcj2e13n
- SHA256 8b62c11fae14388dbbf8adaf6309f52c01df5a0550d57ef539b054c30a6d4ae2
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
goz.ydns.eu:2557
-
4ec7cdd0-12c2-4069-96e0-b83edb543d6f
-
activate_away_mode
true
-
backup_connection_host
goz.ydns.eu
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-05-15T15:52:53.670457636Z
-
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
2557
-
default_group
Default
-
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
4ec7cdd0-12c2-4069-96e0-b83edb543d6f
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
goz.ydns.eu
-
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.
- suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Swift Copy Details.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Swift Copy Details.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Swift Copy Details.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Swift Copy Details.pdf.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF3D.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1076.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/484-76-0x00000000003E0000-0x00000000003F9000-memory.dmp
memory/484-82-0x00000000009E0000-0x00000000009E6000-memory.dmp
memory/484-89-0x0000000002290000-0x000000000229F000-memory.dmp
memory/484-66-0x0000000000400000-0x0000000000438000-memory.dmp
memory/484-68-0x0000000000400000-0x0000000000438000-memory.dmp
memory/484-88-0x0000000002220000-0x0000000002249000-memory.dmp
memory/484-87-0x00000000020D0000-0x00000000020DA000-memory.dmp
memory/484-72-0x0000000000980000-0x0000000000981000-memory.dmp
memory/484-77-0x0000000000440000-0x0000000000443000-memory.dmp
memory/484-85-0x00000000020B0000-0x00000000020B9000-memory.dmp
memory/484-75-0x00000000003D0000-0x00000000003D5000-memory.dmp
memory/484-84-0x00000000020A0000-0x00000000020AD000-memory.dmp
memory/484-86-0x00000000020C0000-0x00000000020CF000-memory.dmp
memory/484-83-0x00000000009F0000-0x00000000009F7000-memory.dmp
memory/484-79-0x0000000000770000-0x0000000000785000-memory.dmp
memory/484-80-0x0000000000970000-0x0000000000976000-memory.dmp
memory/484-81-0x00000000009D0000-0x00000000009DC000-memory.dmp
memory/484-78-0x00000000006D0000-0x00000000006DD000-memory.dmp
memory/2028-60-0x0000000000A00000-0x0000000000A01000-memory.dmp
memory/2028-64-0x0000000005E70000-0x0000000005F12000-memory.dmp
memory/2028-62-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
memory/2028-63-0x0000000000450000-0x0000000000461000-memory.dmp
memory/2028-65-0x0000000004280000-0x00000000042B5000-memory.dmp