Analysis
- max time kernel
134s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
24/05/2024, 00:28
General
- Target SecuriteInfo.com.Win32.PWSX-gen.4131.2756.exe
- Size 703KB
- Sample240524-asb7laef61
- SHA256 9c91a1b8c4da2d7588f3aecd76cdee7dba24d95f0874f79fa711c0b0a490e273
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
psolver827.ddns.net:1974
-
127.0.0.1:1974
-
9bd2ed5f-213a-4882-91bf-95b6e3347c3e
-
activate_away_mode
true
-
backup_connection_host
127.0.0.1
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2024-02-26T07:38:31.398347236Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1974
-
default_group
dcGEN
-
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
9bd2ed5f-213a-4882-91bf-95b6e3347c3e
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
psolver827.ddns.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 2 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).
- 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 16 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4131.2756.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4131.2756.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\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4131.2756.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tpwLHsKzvxy.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tpwLHsKzvxy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BA6.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4131.2756.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4131.2756.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 "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp91A1.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp93A6.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_bsjd3c20.lsp.ps1
tmp8BA6.tmp
tmp91A1.tmp
tmp93A6.tmp
memory/1660-92-0x0000000006E90000-0x0000000006E9E000-memory.dmp
memory/1660-99-0x0000000006F20000-0x0000000006F2E000-memory.dmp
memory/1660-71-0x0000000005850000-0x000000000586E000-memory.dmp
memory/1660-72-0x00000000064B0000-0x00000000064BA000-memory.dmp
memory/1660-91-0x0000000006E60000-0x0000000006E7A000-memory.dmp
memory/1660-94-0x0000000006EB0000-0x0000000006EBE000-memory.dmp
memory/1660-95-0x0000000006EC0000-0x0000000006ECC000-memory.dmp
memory/1660-96-0x0000000006ED0000-0x0000000006EE4000-memory.dmp
memory/1660-93-0x0000000006EA0000-0x0000000006EB2000-memory.dmp
memory/1660-70-0x0000000005840000-0x000000000584A000-memory.dmp
memory/1660-98-0x0000000006F00000-0x0000000006F14000-memory.dmp
memory/1660-100-0x0000000006F30000-0x0000000006F5E000-memory.dmp
memory/1660-101-0x0000000006F60000-0x0000000006F74000-memory.dmp
memory/1660-46-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1660-90-0x0000000006E50000-0x0000000006E62000-memory.dmp
memory/1660-97-0x0000000006EE0000-0x0000000006EF0000-memory.dmp
memory/2216-3-0x0000000007AB0000-0x0000000007B42000-memory.dmp
memory/2216-7-0x0000000007D80000-0x0000000007D90000-memory.dmp
memory/2216-4-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/2216-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp
memory/2216-48-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/2216-2-0x0000000007FC0000-0x0000000008564000-memory.dmp
memory/2216-5-0x0000000005030000-0x000000000503A000-memory.dmp
memory/2216-6-0x0000000007D60000-0x0000000007D7A000-memory.dmp
memory/2216-9-0x0000000006860000-0x00000000068FC000-memory.dmp
memory/2216-8-0x0000000008FA0000-0x000000000901A000-memory.dmp
memory/2216-1-0x0000000000B20000-0x0000000000BD2000-memory.dmp
memory/3788-18-0x0000000005B60000-0x0000000005B82000-memory.dmp
memory/3788-43-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/3788-67-0x00000000074F0000-0x0000000007593000-memory.dmp
memory/3788-73-0x0000000007620000-0x000000000763A000-memory.dmp
memory/3788-69-0x0000000007C70000-0x00000000082EA000-memory.dmp
memory/3788-74-0x0000000007690000-0x000000000769A000-memory.dmp
memory/3788-111-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/3788-86-0x00000000078A0000-0x0000000007936000-memory.dmp
memory/3788-87-0x0000000007820000-0x0000000007831000-memory.dmp
memory/3788-88-0x0000000007850000-0x000000000785E000-memory.dmp
memory/3788-66-0x00000000074C0000-0x00000000074DE000-memory.dmp
memory/3788-56-0x00000000702B0000-0x00000000702FC000-memory.dmp
memory/3788-44-0x00000000062F0000-0x000000000630E000-memory.dmp
memory/3788-45-0x0000000006330000-0x000000000637C000-memory.dmp
memory/3788-33-0x0000000005D10000-0x0000000006064000-memory.dmp
memory/3788-55-0x00000000068D0000-0x0000000006902000-memory.dmp
memory/3788-14-0x00000000029D0000-0x0000000002A06000-memory.dmp
memory/3788-15-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/3788-20-0x0000000005C00000-0x0000000005C66000-memory.dmp
memory/3788-22-0x0000000005C70000-0x0000000005CD6000-memory.dmp
memory/3788-17-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/3788-16-0x00000000053D0000-0x00000000059F8000-memory.dmp
memory/3788-102-0x0000000007860000-0x0000000007874000-memory.dmp
memory/3788-103-0x0000000007960000-0x000000000797A000-memory.dmp
memory/3788-104-0x0000000007940000-0x0000000007948000-memory.dmp
memory/4712-107-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/4712-19-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/4712-23-0x0000000074CA0000-0x0000000075450000-memory.dmp
memory/4712-76-0x00000000702B0000-0x00000000702FC000-memory.dmp