Analysis
- max time kernel
142s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
19/02/2024, 11:10
General
- Target 1b5ad20b8a289ce7526dceea7c91f5f3.exe
- Size 658KB
- Sample240219-m9t5ysda33
- SHA256 ee58fa913b4f5d0527453664b762b848404c19c23369ab6c4c893d55adbdde4b
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
tzitziklishop3.ddns.net:1663
-
fbf9faaf-f2bf-43ae-91ec-07031d9e9f20
-
activate_away_mode
true
-
backup_connection_host
tzitziklishop3.ddns.net
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2023-11-24T23:15:19.996809436Z
-
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
1663
-
default_group
NEW JOY
-
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
fbf9faaf-f2bf-43ae-91ec-07031d9e9f20
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
tzitziklishop3.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.
- 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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 10 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\1b5ad20b8a289ce7526dceea7c91f5f3.exe"C:\Users\Admin\AppData\Local\Temp\1b5ad20b8a289ce7526dceea7c91f5f3.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\1b5ad20b8a289ce7526dceea7c91f5f3.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\1b5ad20b8a289ce7526dceea7c91f5f3.exe"C:\Users\Admin\AppData\Local\Temp\1b5ad20b8a289ce7526dceea7c91f5f3.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\1b5ad20b8a289ce7526dceea7c91f5f3.exe"C:\Users\Admin\AppData\Local\Temp\1b5ad20b8a289ce7526dceea7c91f5f3.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 "NAT Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7465.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "NAT Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7540.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
1b5ad20b8a289ce7526dceea7c91f5f3.exe.log
__PSScriptPolicyTest_ee4qlslx.nc5.ps1
tmp7465.tmp
tmp7540.tmp
memory/408-6-0x00000000054F0000-0x000000000550C000-memory.dmp
memory/408-5-0x00000000050A0000-0x00000000050AA000-memory.dmp
memory/408-4-0x0000000005070000-0x0000000005080000-memory.dmp
memory/408-7-0x0000000006550000-0x0000000006562000-memory.dmp
memory/408-8-0x0000000006840000-0x00000000068BA000-memory.dmp
memory/408-9-0x0000000008EC0000-0x0000000008F5C000-memory.dmp
memory/408-0-0x00000000005A0000-0x000000000064A000-memory.dmp
memory/408-3-0x0000000004ED0000-0x0000000004F62000-memory.dmp
memory/408-2-0x0000000005530000-0x0000000005AD4000-memory.dmp
memory/408-14-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/408-1-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/1780-69-0x00000000075A0000-0x00000000075BA000-memory.dmp
memory/1780-43-0x0000000005F40000-0x0000000005F5E000-memory.dmp
memory/1780-19-0x0000000002610000-0x0000000002620000-memory.dmp
memory/1780-20-0x0000000005060000-0x0000000005688000-memory.dmp
memory/1780-73-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/1780-21-0x00000000056C0000-0x00000000056E2000-memory.dmp
memory/1780-70-0x0000000007580000-0x0000000007588000-memory.dmp
memory/1780-28-0x0000000005900000-0x0000000005966000-memory.dmp
memory/1780-22-0x00000000057E0000-0x0000000005846000-memory.dmp
memory/1780-36-0x0000000005BC0000-0x0000000005F14000-memory.dmp
memory/1780-15-0x0000000002610000-0x0000000002620000-memory.dmp
memory/1780-13-0x0000000002620000-0x0000000002656000-memory.dmp
memory/1780-17-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/1780-66-0x0000000007460000-0x0000000007471000-memory.dmp
memory/1780-68-0x00000000074A0000-0x00000000074B4000-memory.dmp
memory/1780-67-0x0000000007490000-0x000000000749E000-memory.dmp
memory/1780-45-0x0000000005F60000-0x0000000005FAC000-memory.dmp
memory/1780-46-0x000000007F630000-0x000000007F640000-memory.dmp
memory/1780-47-0x00000000070E0000-0x0000000007112000-memory.dmp
memory/1780-48-0x0000000070620000-0x000000007066C000-memory.dmp
memory/1780-59-0x00000000064F0000-0x000000000650E000-memory.dmp
memory/1780-58-0x0000000002610000-0x0000000002620000-memory.dmp
memory/1780-60-0x0000000007120000-0x00000000071C3000-memory.dmp
memory/1780-62-0x00000000078A0000-0x0000000007F1A000-memory.dmp
memory/1780-63-0x0000000007260000-0x000000000727A000-memory.dmp
memory/1780-64-0x00000000072D0000-0x00000000072DA000-memory.dmp
memory/1780-65-0x00000000074E0000-0x0000000007576000-memory.dmp
memory/4056-41-0x0000000005060000-0x000000000506A000-memory.dmp
memory/4056-44-0x00000000060D0000-0x00000000060DA000-memory.dmp
memory/4056-42-0x00000000060A0000-0x00000000060BE000-memory.dmp
memory/4056-10-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4056-16-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/4056-18-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/4056-75-0x0000000006930000-0x0000000006942000-memory.dmp
memory/4056-76-0x0000000006940000-0x000000000695A000-memory.dmp
memory/4056-77-0x0000000006970000-0x000000000697E000-memory.dmp
memory/4056-78-0x0000000006980000-0x0000000006992000-memory.dmp
memory/4056-79-0x0000000006990000-0x000000000699C000-memory.dmp
memory/4056-80-0x00000000069A0000-0x00000000069AE000-memory.dmp
memory/4056-81-0x00000000069B0000-0x00000000069C4000-memory.dmp
memory/4056-82-0x00000000069C0000-0x00000000069D0000-memory.dmp
memory/4056-83-0x00000000069E0000-0x00000000069F4000-memory.dmp
memory/4056-84-0x0000000006A00000-0x0000000006A0E000-memory.dmp
memory/4056-85-0x0000000006A10000-0x0000000006A3E000-memory.dmp
memory/4056-86-0x0000000006A50000-0x0000000006A64000-memory.dmp
memory/4056-88-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/4056-89-0x0000000004F20000-0x0000000004F30000-memory.dmp