Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
08/05/2024, 21:36
General
- Target 62b8c8507a69154670e26e3c18468c90_NEIKI.exe
- Size 620KB
- Sample240508-1f5w9agg5t
- SHA256 1063162cc3b8e4aabba4c7f4f3fb08c142ad481e149c8a75584267c269d0078b
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
december2n.duckdns.org:61715
-
december2nd.ddns.net:61715
-
72ec1ea3-16bf-4e76-a7cf-15ed5e2a0279
-
activate_away_mode
false
-
backup_connection_host
december2nd.ddns.net
- backup_dns_server
-
buffer_size
65535
-
build_time
2023-02-25T05:56:42.255928536Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
61715
-
default_group
Marcello
-
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
72ec1ea3-16bf-4e76-a7cf-15ed5e2a0279
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
december2n.duckdns.org
- primary_dns_server
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
false
-
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
- 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 12 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\62b8c8507a69154670e26e3c18468c90_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\62b8c8507a69154670e26e3c18468c90_NEIKI.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\Roaming\vJQWYrIToF.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\vJQWYrIToF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB43C.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- 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 "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB788.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB806.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_abzx1ncv.h5j.ps1
tmpB43C.tmp
tmpB788.tmp
tmpB806.tmp
memory/936-8-0x00000000074D0000-0x00000000074D8000-memory.dmp
memory/936-11-0x000000000B0F0000-0x000000000B18C000-memory.dmp
memory/936-6-0x00000000065F0000-0x00000000065FA000-memory.dmp
memory/936-7-0x00000000074B0000-0x00000000074C0000-memory.dmp
memory/936-28-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/936-9-0x00000000074E0000-0x00000000074EA000-memory.dmp
memory/936-10-0x0000000008900000-0x0000000008974000-memory.dmp
memory/936-5-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/936-12-0x0000000074E4E000-0x0000000074E4F000-memory.dmp
memory/936-13-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/936-4-0x00000000058E0000-0x0000000005946000-memory.dmp
memory/936-3-0x0000000005970000-0x0000000005A02000-memory.dmp
memory/936-2-0x0000000005F20000-0x00000000064C4000-memory.dmp
memory/936-1-0x0000000000FB0000-0x0000000001052000-memory.dmp
memory/936-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp
memory/4872-30-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/4872-49-0x0000000005410000-0x000000000541A000-memory.dmp
memory/4872-77-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/4872-50-0x00000000055F0000-0x00000000055FC000-memory.dmp
memory/4872-51-0x0000000006450000-0x000000000646E000-memory.dmp
memory/4872-52-0x00000000065A0000-0x00000000065AA000-memory.dmp
memory/4872-22-0x0000000000400000-0x000000000043A000-memory.dmp
memory/5000-40-0x0000000005C00000-0x0000000005C1E000-memory.dmp
memory/5000-64-0x00000000061A0000-0x00000000061BE000-memory.dmp
memory/5000-41-0x0000000005C20000-0x0000000005C6C000-memory.dmp
memory/5000-19-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/5000-18-0x0000000000DD0000-0x0000000000E06000-memory.dmp
memory/5000-21-0x0000000004E90000-0x00000000054B8000-memory.dmp
memory/5000-29-0x0000000005540000-0x0000000005894000-memory.dmp
memory/5000-23-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/5000-27-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/5000-53-0x00000000061C0000-0x00000000061F2000-memory.dmp
memory/5000-54-0x0000000072D50000-0x0000000072D9C000-memory.dmp
memory/5000-26-0x0000000004C40000-0x0000000004CA6000-memory.dmp
memory/5000-65-0x0000000006BF0000-0x0000000006C93000-memory.dmp
memory/5000-66-0x0000000007570000-0x0000000007BEA000-memory.dmp
memory/5000-67-0x0000000006F20000-0x0000000006F3A000-memory.dmp
memory/5000-68-0x0000000006F90000-0x0000000006F9A000-memory.dmp
memory/5000-69-0x00000000071A0000-0x0000000007236000-memory.dmp
memory/5000-70-0x0000000007120000-0x0000000007131000-memory.dmp
memory/5000-71-0x0000000007150000-0x000000000715E000-memory.dmp
memory/5000-72-0x0000000007160000-0x0000000007174000-memory.dmp
memory/5000-73-0x0000000007260000-0x000000000727A000-memory.dmp
memory/5000-74-0x0000000007240000-0x0000000007248000-memory.dmp
memory/5000-76-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/5000-25-0x0000000004AA0000-0x0000000004AC2000-memory.dmp