Analysis
- max time kernel
139s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
20/02/2024, 06:07
General
- Target ee58fa913b4f5d0527453664b762b848404c19c23369ab6c4c893d55adbdde4b.exe
- Size 658KB
- Sample240220-gvg9ysdb82
- 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\ee58fa913b4f5d0527453664b762b848404c19c23369ab6c4c893d55adbdde4b.exe"C:\Users\Admin\AppData\Local\Temp\ee58fa913b4f5d0527453664b762b848404c19c23369ab6c4c893d55adbdde4b.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\ee58fa913b4f5d0527453664b762b848404c19c23369ab6c4c893d55adbdde4b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\ee58fa913b4f5d0527453664b762b848404c19c23369ab6c4c893d55adbdde4b.exe"C:\Users\Admin\AppData\Local\Temp\ee58fa913b4f5d0527453664b762b848404c19c23369ab6c4c893d55adbdde4b.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\ee58fa913b4f5d0527453664b762b848404c19c23369ab6c4c893d55adbdde4b.exe"C:\Users\Admin\AppData\Local\Temp\ee58fa913b4f5d0527453664b762b848404c19c23369ab6c4c893d55adbdde4b.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\tmpF126.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\tmpF3C7.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_vcuj53m1.h3g.ps1
tmpF126.tmp
tmpF3C7.tmp
memory/1452-10-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1452-13-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/1452-74-0x0000000006F50000-0x0000000006F5E000-memory.dmp
memory/1452-73-0x0000000006F30000-0x0000000006F44000-memory.dmp
memory/1452-72-0x0000000006F10000-0x0000000006F20000-memory.dmp
memory/1452-71-0x0000000006F00000-0x0000000006F14000-memory.dmp
memory/1452-68-0x0000000006ED0000-0x0000000006EE2000-memory.dmp
memory/1452-76-0x0000000006FA0000-0x0000000006FB4000-memory.dmp
memory/1452-70-0x0000000006EF0000-0x0000000006EFE000-memory.dmp
memory/1452-75-0x0000000006F60000-0x0000000006F8E000-memory.dmp
memory/1452-69-0x0000000006EE0000-0x0000000006EEC000-memory.dmp
memory/1452-67-0x0000000006EC0000-0x0000000006ECE000-memory.dmp
memory/1452-65-0x0000000006E90000-0x0000000006EAA000-memory.dmp
memory/1452-64-0x0000000006E80000-0x0000000006E92000-memory.dmp
memory/1452-43-0x00000000065E0000-0x00000000065EA000-memory.dmp
memory/1452-42-0x00000000064B0000-0x00000000064CE000-memory.dmp
memory/1452-41-0x00000000056A0000-0x00000000056AA000-memory.dmp
memory/1452-86-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/1452-87-0x00000000056B0000-0x00000000056C0000-memory.dmp
memory/1544-16-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/1544-66-0x0000000007B80000-0x0000000007C16000-memory.dmp
memory/1544-38-0x00000000065F0000-0x000000000660E000-memory.dmp
memory/1544-39-0x0000000006640000-0x000000000668C000-memory.dmp
memory/1544-21-0x0000000005F90000-0x0000000005FF6000-memory.dmp
memory/1544-20-0x0000000005E30000-0x0000000005E96000-memory.dmp
memory/1544-19-0x0000000005720000-0x0000000005742000-memory.dmp
memory/1544-17-0x0000000005800000-0x0000000005E28000-memory.dmp
memory/1544-44-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/1544-46-0x000000007F980000-0x000000007F990000-memory.dmp
memory/1544-47-0x0000000006BC0000-0x0000000006BF2000-memory.dmp
memory/1544-48-0x00000000703B0000-0x00000000703FC000-memory.dmp
memory/1544-58-0x0000000006B80000-0x0000000006B9E000-memory.dmp
memory/1544-59-0x0000000006C00000-0x0000000006CA3000-memory.dmp
memory/1544-60-0x0000000007F40000-0x00000000085BA000-memory.dmp
memory/1544-61-0x0000000007900000-0x000000000791A000-memory.dmp
memory/1544-62-0x0000000007970000-0x000000000797A000-memory.dmp
memory/1544-18-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/1544-85-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/1544-34-0x0000000006000000-0x0000000006354000-memory.dmp
memory/1544-14-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/1544-82-0x0000000007C40000-0x0000000007C48000-memory.dmp
memory/1544-12-0x0000000005020000-0x0000000005056000-memory.dmp
memory/1544-81-0x0000000007C50000-0x0000000007C6A000-memory.dmp
memory/1544-80-0x0000000007B60000-0x0000000007B74000-memory.dmp
memory/1544-78-0x0000000007B50000-0x0000000007B5E000-memory.dmp
memory/1544-77-0x0000000007B00000-0x0000000007B11000-memory.dmp
memory/3612-5-0x00000000054D0000-0x00000000054DA000-memory.dmp
memory/3612-4-0x00000000056D0000-0x00000000056E0000-memory.dmp
memory/3612-3-0x0000000005540000-0x00000000055D2000-memory.dmp
memory/3612-6-0x0000000006AE0000-0x0000000006AFC000-memory.dmp
memory/3612-7-0x0000000006B20000-0x0000000006B32000-memory.dmp
memory/3612-8-0x0000000006E10000-0x0000000006E8A000-memory.dmp
memory/3612-9-0x0000000009490000-0x000000000952C000-memory.dmp
memory/3612-15-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/3612-0-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/3612-2-0x0000000005A50000-0x0000000005FF4000-memory.dmp
memory/3612-1-0x0000000000A30000-0x0000000000ADA000-memory.dmp