Analysis
- max time kernel
94s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
22/09/2024, 13:06
General
- Target 18d78dbc4fbda0d58ccae4aa8840e560.exe
- Size 593KB
- Sample240922-qb3k8a1dnh
- SHA256 3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
l3g3nd.sytes.net:3132
-
127.0.0.1:3132
-
84ab735e-1aa1-40a6-9462-ae2224636060
-
activate_away_mode
true
-
backup_connection_host
127.0.0.1
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2024-06-28T14:22:27.694177336Z
-
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
3132
-
default_group
l3g3nd
-
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
84ab735e-1aa1-40a6-9462-ae2224636060
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
l3g3nd.sytes.net
-
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.
- 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
- Checks whether UAC is enabled 1 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 5 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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\18d78dbc4fbda0d58ccae4aa8840e560.exe"C:\Users\Admin\AppData\Local\Temp\18d78dbc4fbda0d58ccae4aa8840e560.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\Local\Temp\18d78dbc4fbda0d58ccae4aa8840e560.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\18d78dbc4fbda0d58ccae4aa8840e560.exe"C:\Users\Admin\AppData\Local\Temp\18d78dbc4fbda0d58ccae4aa8840e560.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- 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 "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD8BC.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDEA9.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
18d78dbc4fbda0d58ccae4aa8840e560.exe.log
__PSScriptPolicyTest_itkiwzsf.f3t.ps1
tmpD8BC.tmp
tmpDEA9.tmp
memory/736-46-0x0000000005EA0000-0x0000000005EEC000-memory.dmp
memory/736-43-0x0000000005E50000-0x0000000005E6E000-memory.dmp
memory/736-72-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/736-69-0x00000000074A0000-0x00000000074A8000-memory.dmp
memory/736-68-0x00000000074C0000-0x00000000074DA000-memory.dmp
memory/736-67-0x00000000073C0000-0x00000000073D4000-memory.dmp
memory/736-66-0x00000000073B0000-0x00000000073BE000-memory.dmp
memory/736-47-0x0000000006E30000-0x0000000006E62000-memory.dmp
memory/736-64-0x0000000007400000-0x0000000007496000-memory.dmp
memory/736-63-0x00000000071F0000-0x00000000071FA000-memory.dmp
memory/736-62-0x0000000007180000-0x000000000719A000-memory.dmp
memory/736-18-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/736-17-0x0000000005060000-0x0000000005688000-memory.dmp
memory/736-19-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/736-20-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/736-16-0x0000000002560000-0x0000000002596000-memory.dmp
memory/736-61-0x00000000077C0000-0x0000000007E3A000-memory.dmp
memory/736-25-0x0000000004F90000-0x0000000004FB2000-memory.dmp
memory/736-27-0x0000000005820000-0x0000000005886000-memory.dmp
memory/736-26-0x0000000005700000-0x0000000005766000-memory.dmp
memory/736-60-0x0000000007070000-0x0000000007113000-memory.dmp
memory/736-59-0x0000000006430000-0x000000000644E000-memory.dmp
memory/736-37-0x0000000005890000-0x0000000005BE4000-memory.dmp
memory/736-65-0x0000000007380000-0x0000000007391000-memory.dmp
memory/736-49-0x0000000070B60000-0x0000000070BAC000-memory.dmp
memory/3520-5-0x0000000004DE0000-0x0000000004DEA000-memory.dmp
memory/3520-4-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/3520-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp
memory/3520-6-0x0000000005060000-0x0000000005070000-memory.dmp
memory/3520-1-0x0000000000400000-0x000000000049A000-memory.dmp
memory/3520-7-0x0000000074F2E000-0x0000000074F2F000-memory.dmp
memory/3520-2-0x00000000051D0000-0x0000000005774000-memory.dmp
memory/3520-3-0x0000000004D20000-0x0000000004DB2000-memory.dmp
memory/3520-8-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/3520-15-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/3520-9-0x00000000067B0000-0x000000000682A000-memory.dmp
memory/3520-10-0x0000000008E90000-0x0000000008F2C000-memory.dmp
memory/3572-21-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/3572-77-0x0000000006F40000-0x0000000006F4E000-memory.dmp
memory/3572-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3572-45-0x0000000006570000-0x000000000657A000-memory.dmp
memory/3572-44-0x0000000005650000-0x000000000566E000-memory.dmp
memory/3572-42-0x0000000005520000-0x000000000552A000-memory.dmp
memory/3572-73-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/3572-75-0x0000000006F00000-0x0000000006F12000-memory.dmp
memory/3572-76-0x0000000006F10000-0x0000000006F2A000-memory.dmp
memory/3572-14-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/3572-78-0x0000000006F50000-0x0000000006F62000-memory.dmp
memory/3572-79-0x0000000006F60000-0x0000000006F6E000-memory.dmp
memory/3572-80-0x0000000006F70000-0x0000000006F7C000-memory.dmp
memory/3572-81-0x0000000006F80000-0x0000000006F94000-memory.dmp
memory/3572-83-0x0000000006FB0000-0x0000000006FC4000-memory.dmp
memory/3572-82-0x0000000006F90000-0x0000000006FA0000-memory.dmp
memory/3572-85-0x0000000006FE0000-0x000000000700E000-memory.dmp
memory/3572-84-0x0000000006FD0000-0x0000000006FDE000-memory.dmp
memory/3572-86-0x0000000007010000-0x0000000007024000-memory.dmp
memory/3572-88-0x0000000074F20000-0x00000000756D0000-memory.dmp