Analysis
- max time kernel
148s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
21/05/2024, 01:41
General
- Target MB263350411AE.exe
- Size 626KB
- Sample240521-b34v2aee3y
- SHA256 88cb52ac93a1552b61addb60481cacb4fbf6dee7f8d307ff87009e38b8e30088
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
xpwarzonlin2.ddns.net:1996
-
ca9f3160-72cd-488b-b81c-36547a098a95
-
activate_away_mode
true
-
backup_connection_host
xpwarzonlin2.ddns.net
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2024-03-01T13:08:23.726574636Z
-
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
1996
-
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
ca9f3160-72cd-488b-b81c-36547a098a95
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
xpwarzonlin2.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.
- 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
- 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 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe"C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\MB263350411AE.exe"C:\Users\Admin\AppData\Local\Temp\MB263350411AE.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 "AGP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7F61.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "AGP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp802D.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
MB263350411AE.exe.log
tmp7F61.tmp
tmp802D.tmp
memory/2796-8-0x00000000059A0000-0x00000000059B0000-memory.dmp
memory/2796-2-0x00000000059C0000-0x0000000005F64000-memory.dmp
memory/2796-5-0x0000000005740000-0x00000000057DC000-memory.dmp
memory/2796-6-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/2796-7-0x0000000005980000-0x000000000599A000-memory.dmp
memory/2796-0-0x000000007464E000-0x000000007464F000-memory.dmp
memory/2796-9-0x0000000006EA0000-0x0000000006F1A000-memory.dmp
memory/2796-3-0x00000000054B0000-0x0000000005542000-memory.dmp
memory/2796-4-0x0000000005640000-0x000000000564A000-memory.dmp
memory/2796-1-0x0000000000A10000-0x0000000000AB2000-memory.dmp
memory/2796-14-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/3000-28-0x00000000067A0000-0x00000000067B2000-memory.dmp
memory/3000-34-0x0000000006820000-0x0000000006834000-memory.dmp
memory/3000-13-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/3000-25-0x0000000006040000-0x000000000604A000-memory.dmp
memory/3000-23-0x0000000004F50000-0x0000000004F5A000-memory.dmp
memory/3000-10-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3000-24-0x00000000050A0000-0x00000000050BE000-memory.dmp
memory/3000-29-0x00000000067B0000-0x00000000067CA000-memory.dmp
memory/3000-30-0x00000000067E0000-0x00000000067EE000-memory.dmp
memory/3000-33-0x0000000006810000-0x000000000681C000-memory.dmp
memory/3000-32-0x0000000006800000-0x000000000680E000-memory.dmp
memory/3000-15-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/3000-31-0x00000000067F0000-0x0000000006802000-memory.dmp
memory/3000-35-0x0000000006830000-0x0000000006840000-memory.dmp
memory/3000-36-0x0000000006850000-0x0000000006864000-memory.dmp
memory/3000-37-0x0000000006870000-0x000000000687E000-memory.dmp
memory/3000-38-0x00000000069C0000-0x00000000069EE000-memory.dmp
memory/3000-39-0x0000000006A00000-0x0000000006A14000-memory.dmp
memory/3000-40-0x0000000006AA0000-0x0000000006B06000-memory.dmp
memory/3000-42-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/3000-43-0x0000000074640000-0x0000000074DF0000-memory.dmp