Analysis
- max time kernel
140s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
19/01/2024, 05:00
General
- Target ga09oeYXhEQlVD5.exe
- Size 737KB
- Sample240119-fnbcdsgaa3
- SHA256 c36013e4224ff11ecd2d2c1eeb69830211e2cfedc94260678ff9ee16590c89dd
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
december2n.duckdns.org:61715
-
december2nd.ddns.net:61715
-
72ec1ea3-16bf-4e76-a7cf-15ed5e2a0279
-
activate_away_mode
false
-
backup_connection_host
december2nd.ddns.net
- backup_dns_server
-
buffer_size
65535
-
build_time
2023-02-25T05:56:42.255928536Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
61715
-
default_group
Marcello
-
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
72ec1ea3-16bf-4e76-a7cf-15ed5e2a0279
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
december2n.duckdns.org
- primary_dns_server
-
request_elevation
true
-
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
Signatures
- NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 15 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ga09oeYXhEQlVD5.exe"C:\Users\Admin\AppData\Local\Temp\ga09oeYXhEQlVD5.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FAIlIafX.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FAIlIafX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFCFD.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- 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 "SMTP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD6.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SMTP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp125.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_a01snyff.jl0.ps1
tmp125.tmp
tmpD6.tmp
tmpFCFD.tmp
memory/116-8-0x00000000050A0000-0x00000000050AC000-memory.dmp
memory/116-11-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/116-6-0x0000000005050000-0x0000000005064000-memory.dmp
memory/116-7-0x0000000005090000-0x0000000005098000-memory.dmp
memory/116-25-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/116-9-0x0000000005FE0000-0x0000000006054000-memory.dmp
memory/116-10-0x0000000009B70000-0x0000000009C0C000-memory.dmp
memory/116-5-0x0000000004CE0000-0x0000000004CEA000-memory.dmp
memory/116-12-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/116-0-0x0000000000230000-0x00000000002EE000-memory.dmp
memory/116-4-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/116-3-0x0000000004D30000-0x0000000004DC2000-memory.dmp
memory/116-2-0x00000000052E0000-0x0000000005884000-memory.dmp
memory/116-1-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/1148-54-0x00000000060C0000-0x000000000610C000-memory.dmp
memory/1148-23-0x0000000005140000-0x0000000005768000-memory.dmp
memory/1148-81-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/1148-78-0x00000000076C0000-0x00000000076C8000-memory.dmp
memory/1148-77-0x00000000076E0000-0x00000000076FA000-memory.dmp
memory/1148-28-0x00000000050B0000-0x00000000050D2000-memory.dmp
memory/1148-21-0x0000000004B00000-0x0000000004B10000-memory.dmp
memory/1148-34-0x00000000058E0000-0x0000000005946000-memory.dmp
memory/1148-35-0x0000000005A40000-0x0000000005AA6000-memory.dmp
memory/1148-43-0x0000000005BB0000-0x0000000005F04000-memory.dmp
memory/1148-19-0x0000000004B00000-0x0000000004B10000-memory.dmp
memory/1148-18-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/1148-76-0x00000000075E0000-0x00000000075F4000-memory.dmp
memory/1148-72-0x0000000007410000-0x000000000741A000-memory.dmp
memory/1148-75-0x00000000075D0000-0x00000000075DE000-memory.dmp
memory/1148-52-0x0000000006070000-0x000000000608E000-memory.dmp
memory/1148-74-0x00000000075A0000-0x00000000075B1000-memory.dmp
memory/1148-17-0x0000000004AC0000-0x0000000004AF6000-memory.dmp
memory/1148-73-0x0000000007620000-0x00000000076B6000-memory.dmp
memory/1148-55-0x0000000004B00000-0x0000000004B10000-memory.dmp
memory/1148-56-0x000000007F0A0000-0x000000007F0B0000-memory.dmp
memory/1148-58-0x0000000070C60000-0x0000000070CAC000-memory.dmp
memory/1148-68-0x0000000006640000-0x000000000665E000-memory.dmp
memory/1148-57-0x0000000007040000-0x0000000007072000-memory.dmp
memory/1148-69-0x0000000007280000-0x0000000007323000-memory.dmp
memory/1148-71-0x00000000073A0000-0x00000000073BA000-memory.dmp
memory/1148-70-0x00000000079E0000-0x000000000805A000-memory.dmp
memory/1644-49-0x00000000052F0000-0x00000000052FC000-memory.dmp
memory/1644-51-0x00000000055C0000-0x00000000055CA000-memory.dmp
memory/1644-53-0x0000000005340000-0x0000000005350000-memory.dmp
memory/1644-50-0x0000000005510000-0x000000000552E000-memory.dmp
memory/1644-48-0x00000000050B0000-0x00000000050BA000-memory.dmp
memory/1644-27-0x0000000005340000-0x0000000005350000-memory.dmp
memory/1644-22-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1644-26-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/1644-82-0x0000000075020000-0x00000000757D0000-memory.dmp
memory/1644-84-0x0000000005340000-0x0000000005350000-memory.dmp
memory/1644-86-0x0000000006BB0000-0x0000000006BC2000-memory.dmp
memory/1644-89-0x0000000006C00000-0x0000000006C12000-memory.dmp
memory/1644-88-0x0000000006BF0000-0x0000000006BFE000-memory.dmp
memory/1644-92-0x0000000006C30000-0x0000000006C44000-memory.dmp
memory/1644-91-0x0000000006C20000-0x0000000006C2C000-memory.dmp
memory/1644-97-0x0000000006CD0000-0x0000000006CE4000-memory.dmp
memory/1644-96-0x0000000006CA0000-0x0000000006CCE000-memory.dmp
memory/1644-95-0x0000000006C90000-0x0000000006C9E000-memory.dmp
memory/1644-94-0x0000000006C80000-0x0000000006C94000-memory.dmp
memory/1644-93-0x0000000006C60000-0x0000000006C70000-memory.dmp
memory/1644-90-0x0000000006C10000-0x0000000006C1E000-memory.dmp
memory/1644-87-0x0000000006BC0000-0x0000000006BDA000-memory.dmp
memory/1644-99-0x0000000005340000-0x0000000005350000-memory.dmp