Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
02/08/2024, 01:56
General
- Target 36d910db5480443e681e9ccaae98daa5.exe
- Size 591KB
- Sample240802-ccn8bsyfkp
- SHA256 a9b2c3cfd1964fc818c4ba2955f17482db01a5e6130dcbdc93272c34ddb31343
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
213.152.161.181:45808
-
724426ed-9454-4c88-a403-247ed8c8ccb6
-
activate_away_mode
true
- backup_connection_host
-
backup_dns_server
84.200.70.40
-
buffer_size
65535
-
build_time
2024-03-23T08:16:32.230976436Z
-
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
45808
-
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
724426ed-9454-4c88-a403-247ed8c8ccb6
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
213.152.161.181
-
primary_dns_server
84.200.69.80
-
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.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 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 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\36d910db5480443e681e9ccaae98daa5.exe"C:\Users\Admin\AppData\Local\Temp\36d910db5480443e681e9ccaae98daa5.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\gLCtqBlZtm.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gLCtqBlZtm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp22E.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6B2.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE92.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_uszy1wm3.epm.ps1
tmp22E.tmp
tmp6B2.tmp
tmpE92.tmp
memory/1384-73-0x0000000007510000-0x000000000752A000-memory.dmp
memory/1384-77-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/1384-52-0x00000000064A0000-0x00000000064D2000-memory.dmp
memory/1384-74-0x00000000074F0000-0x00000000074F8000-memory.dmp
memory/1384-72-0x0000000007410000-0x0000000007424000-memory.dmp
memory/1384-71-0x0000000007400000-0x000000000740E000-memory.dmp
memory/1384-69-0x00000000073D0000-0x00000000073E1000-memory.dmp
memory/1384-15-0x0000000002590000-0x00000000025C6000-memory.dmp
memory/1384-67-0x0000000007030000-0x000000000703A000-memory.dmp
memory/1384-18-0x00000000052C0000-0x00000000058E8000-memory.dmp
memory/1384-19-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/1384-66-0x0000000006FC0000-0x0000000006FDA000-memory.dmp
memory/1384-65-0x00000000078F0000-0x0000000007F6A000-memory.dmp
memory/1384-21-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/1384-25-0x00000000050F0000-0x0000000005156000-memory.dmp
memory/1384-26-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/1384-64-0x0000000006EA0000-0x0000000006F43000-memory.dmp
memory/1384-63-0x0000000006440000-0x000000000645E000-memory.dmp
memory/1384-53-0x0000000074F30000-0x0000000074F7C000-memory.dmp
memory/1384-29-0x00000000058F0000-0x0000000005C44000-memory.dmp
memory/1384-24-0x0000000005080000-0x00000000050E6000-memory.dmp
memory/1384-23-0x0000000004EE0000-0x0000000004F02000-memory.dmp
memory/1384-39-0x0000000005E90000-0x0000000005EAE000-memory.dmp
memory/1384-40-0x00000000062B0000-0x00000000062FC000-memory.dmp
memory/1384-68-0x0000000007450000-0x00000000074E6000-memory.dmp
memory/4320-88-0x0000000006F90000-0x0000000006F9E000-memory.dmp
memory/4320-87-0x0000000006F80000-0x0000000006F94000-memory.dmp
memory/4320-50-0x0000000006760000-0x000000000677E000-memory.dmp
memory/4320-20-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4320-90-0x0000000006FE0000-0x0000000006FF4000-memory.dmp
memory/4320-49-0x00000000058E0000-0x00000000058EC000-memory.dmp
memory/4320-89-0x0000000006FA0000-0x0000000006FCE000-memory.dmp
memory/4320-28-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/4320-48-0x00000000058D0000-0x00000000058DA000-memory.dmp
memory/4320-79-0x0000000006EC0000-0x0000000006ED2000-memory.dmp
memory/4320-92-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/4320-86-0x0000000006F50000-0x0000000006F60000-memory.dmp
memory/4320-51-0x00000000069B0000-0x00000000069BA000-memory.dmp
memory/4320-85-0x0000000006F40000-0x0000000006F54000-memory.dmp
memory/4320-84-0x0000000006F30000-0x0000000006F3C000-memory.dmp
memory/4320-83-0x0000000006F20000-0x0000000006F2E000-memory.dmp
memory/4320-82-0x0000000006F10000-0x0000000006F22000-memory.dmp
memory/4320-81-0x0000000006F00000-0x0000000006F0E000-memory.dmp
memory/4320-80-0x0000000006ED0000-0x0000000006EEA000-memory.dmp
memory/4576-27-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/4576-6-0x00000000050C0000-0x00000000050CE000-memory.dmp
memory/4576-8-0x0000000006110000-0x000000000618C000-memory.dmp
memory/4576-0-0x000000007469E000-0x000000007469F000-memory.dmp
memory/4576-1-0x0000000000390000-0x000000000042A000-memory.dmp
memory/4576-9-0x0000000009F90000-0x000000000A02C000-memory.dmp
memory/4576-10-0x000000007469E000-0x000000007469F000-memory.dmp
memory/4576-16-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/4576-4-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/4576-7-0x0000000005100000-0x000000000510E000-memory.dmp
memory/4576-3-0x0000000004E00000-0x0000000004E92000-memory.dmp
memory/4576-2-0x0000000005500000-0x0000000005AA4000-memory.dmp
memory/4576-5-0x0000000004EC0000-0x0000000004ECA000-memory.dmp