Analysis
- max time kernel
96s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
23/09/2024, 01:08
General
- Target 3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe
- Size 593KB
- Sample240923-bhe16ssama
- 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\3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe"C:\Users\Admin\AppData\Local\Temp\3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.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\3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.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\3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe"C:\Users\Admin\AppData\Local\Temp\3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.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 "DPI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDCA4.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDDCE.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
3af587731a4050cb520beeb1b67fd2d0654db2edf3968945419218b85461b568.exe.log
__PSScriptPolicyTest_hcghaywr.uhe.ps1
tmpDCA4.tmp
tmpDDCE.tmp
memory/1176-8-0x00000000750A0000-0x0000000075850000-memory.dmp
memory/1176-5-0x00000000056A0000-0x00000000056AA000-memory.dmp
memory/1176-6-0x00000000057B0000-0x00000000057C0000-memory.dmp
memory/1176-7-0x00000000750AE000-0x00000000750AF000-memory.dmp
memory/1176-4-0x00000000750A0000-0x0000000075850000-memory.dmp
memory/1176-9-0x0000000007080000-0x00000000070FA000-memory.dmp
memory/1176-10-0x0000000009750000-0x00000000097EC000-memory.dmp
memory/1176-3-0x00000000055E0000-0x0000000005672000-memory.dmp
memory/1176-0-0x00000000750AE000-0x00000000750AF000-memory.dmp
memory/1176-2-0x0000000005A90000-0x0000000006034000-memory.dmp
memory/1176-15-0x00000000750A0000-0x0000000075850000-memory.dmp
memory/1176-1-0x0000000000B70000-0x0000000000C0A000-memory.dmp
memory/2144-42-0x0000000005150000-0x000000000515A000-memory.dmp
memory/2144-79-0x0000000006A70000-0x0000000006A7C000-memory.dmp
memory/2144-87-0x00000000750A0000-0x0000000075850000-memory.dmp
memory/2144-74-0x0000000006A00000-0x0000000006A12000-memory.dmp
memory/2144-75-0x0000000006A10000-0x0000000006A2A000-memory.dmp
memory/2144-76-0x0000000006A40000-0x0000000006A4E000-memory.dmp
memory/2144-77-0x0000000006A50000-0x0000000006A62000-memory.dmp
memory/2144-78-0x0000000006A60000-0x0000000006A6E000-memory.dmp
memory/2144-80-0x0000000006A80000-0x0000000006A94000-memory.dmp
memory/2144-82-0x0000000006AB0000-0x0000000006AC4000-memory.dmp
memory/2144-17-0x00000000750A0000-0x0000000075850000-memory.dmp
memory/2144-14-0x00000000750A0000-0x0000000075850000-memory.dmp
memory/2144-43-0x00000000054D0000-0x00000000054EE000-memory.dmp
memory/2144-44-0x00000000061B0000-0x00000000061BA000-memory.dmp
memory/2144-83-0x0000000006AD0000-0x0000000006ADE000-memory.dmp
memory/2144-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2144-84-0x0000000006AE0000-0x0000000006B0E000-memory.dmp
memory/2144-85-0x0000000006B10000-0x0000000006B24000-memory.dmp
memory/2144-81-0x0000000006A90000-0x0000000006AA0000-memory.dmp
memory/2780-18-0x00000000750A0000-0x0000000075850000-memory.dmp
memory/2780-24-0x0000000005B70000-0x0000000005BD6000-memory.dmp
memory/2780-62-0x00000000076E0000-0x00000000076FA000-memory.dmp
memory/2780-61-0x0000000007D20000-0x000000000839A000-memory.dmp
memory/2780-63-0x0000000007750000-0x000000000775A000-memory.dmp
memory/2780-64-0x0000000007960000-0x00000000079F6000-memory.dmp
memory/2780-65-0x00000000078E0000-0x00000000078F1000-memory.dmp
memory/2780-66-0x0000000007910000-0x000000000791E000-memory.dmp
memory/2780-67-0x0000000007920000-0x0000000007934000-memory.dmp
memory/2780-68-0x0000000007A20000-0x0000000007A3A000-memory.dmp
memory/2780-69-0x0000000007A00000-0x0000000007A08000-memory.dmp
memory/2780-72-0x00000000750A0000-0x0000000075850000-memory.dmp
memory/2780-59-0x00000000075B0000-0x0000000007653000-memory.dmp
memory/2780-47-0x0000000006980000-0x00000000069B2000-memory.dmp
memory/2780-58-0x00000000069C0000-0x00000000069DE000-memory.dmp
memory/2780-46-0x0000000006450000-0x000000000649C000-memory.dmp
memory/2780-45-0x00000000063B0000-0x00000000063CE000-memory.dmp
memory/2780-37-0x00000000750A0000-0x0000000075850000-memory.dmp
memory/2780-36-0x0000000005DC0000-0x0000000006114000-memory.dmp
memory/2780-16-0x0000000002AC0000-0x0000000002AF6000-memory.dmp
memory/2780-22-0x00000000053F0000-0x0000000005412000-memory.dmp
memory/2780-48-0x0000000070CE0000-0x0000000070D2C000-memory.dmp
memory/2780-25-0x00000000750A0000-0x0000000075850000-memory.dmp
memory/2780-26-0x0000000005D50000-0x0000000005DB6000-memory.dmp
memory/2780-19-0x0000000005540000-0x0000000005B68000-memory.dmp