Analysis
- max time kernel
92s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
20/02/2024, 07:44
General
- Target 61991bc1da165bd1d0beccec3dcb531a.exe
- Size 639KB
- Sample240220-jktaksdd6s
- SHA256 b54e60c9821848c2ed3555992e7a413738176ceee30700fb264b0cda23b6c541
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
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
-
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 8 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\61991bc1da165bd1d0beccec3dcb531a.exe"C:\Users\Admin\AppData\Local\Temp\61991bc1da165bd1d0beccec3dcb531a.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\61991bc1da165bd1d0beccec3dcb531a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\61991bc1da165bd1d0beccec3dcb531a.exe"C:\Users\Admin\AppData\Local\Temp\61991bc1da165bd1d0beccec3dcb531a.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\tmp2F58.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\tmp3341.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_glscx2tx.g4k.ps1
tmp2F58.tmp
tmp3341.tmp
memory/808-45-0x0000000006800000-0x000000000684C000-memory.dmp
memory/808-70-0x0000000007DB0000-0x0000000007DB8000-memory.dmp
memory/808-85-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/808-48-0x000000007FC50000-0x000000007FC60000-memory.dmp
memory/808-69-0x0000000007DD0000-0x0000000007DEA000-memory.dmp
memory/808-68-0x0000000007CD0000-0x0000000007CE4000-memory.dmp
memory/808-47-0x0000000005200000-0x0000000005210000-memory.dmp
memory/808-66-0x0000000007C90000-0x0000000007CA1000-memory.dmp
memory/808-65-0x0000000007D10000-0x0000000007DA6000-memory.dmp
memory/808-64-0x0000000007B00000-0x0000000007B0A000-memory.dmp
memory/808-63-0x0000000007A90000-0x0000000007AAA000-memory.dmp
memory/808-62-0x00000000080D0000-0x000000000874A000-memory.dmp
memory/808-16-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/808-18-0x0000000005200000-0x0000000005210000-memory.dmp
memory/808-19-0x0000000005200000-0x0000000005210000-memory.dmp
memory/808-17-0x0000000005170000-0x00000000051A6000-memory.dmp
memory/808-20-0x0000000005840000-0x0000000005E68000-memory.dmp
memory/808-22-0x00000000057B0000-0x00000000057D2000-memory.dmp
memory/808-24-0x0000000005FA0000-0x0000000006006000-memory.dmp
memory/808-61-0x0000000007970000-0x0000000007A13000-memory.dmp
memory/808-28-0x0000000006110000-0x0000000006176000-memory.dmp
memory/808-36-0x0000000006180000-0x00000000064D4000-memory.dmp
memory/808-60-0x0000000006D30000-0x0000000006D4E000-memory.dmp
memory/808-49-0x0000000007930000-0x0000000007962000-memory.dmp
memory/808-50-0x00000000705D0000-0x000000007061C000-memory.dmp
memory/808-67-0x0000000007CC0000-0x0000000007CCE000-memory.dmp
memory/808-44-0x0000000006770000-0x000000000678E000-memory.dmp
memory/2080-10-0x0000000009CE0000-0x0000000009D7C000-memory.dmp
memory/2080-4-0x0000000005C50000-0x0000000005C60000-memory.dmp
memory/2080-5-0x0000000005A30000-0x0000000005A3A000-memory.dmp
memory/2080-0-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/2080-7-0x0000000005C40000-0x0000000005C4E000-memory.dmp
memory/2080-1-0x0000000000F80000-0x0000000001024000-memory.dmp
memory/2080-2-0x0000000005FB0000-0x0000000006554000-memory.dmp
memory/2080-3-0x0000000005AA0000-0x0000000005B32000-memory.dmp
memory/2080-6-0x0000000005C20000-0x0000000005C40000-memory.dmp
memory/2080-14-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/2080-8-0x0000000005E60000-0x0000000005E72000-memory.dmp
memory/2080-9-0x00000000075D0000-0x000000000764A000-memory.dmp
memory/2596-15-0x0000000005240000-0x0000000005250000-memory.dmp
memory/2596-76-0x0000000006C90000-0x0000000006C9C000-memory.dmp
memory/2596-13-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/2596-43-0x00000000065D0000-0x00000000065DA000-memory.dmp
memory/2596-72-0x0000000006C30000-0x0000000006C42000-memory.dmp
memory/2596-41-0x0000000005380000-0x000000000538A000-memory.dmp
memory/2596-73-0x0000000006C40000-0x0000000006C5A000-memory.dmp
memory/2596-74-0x0000000006C70000-0x0000000006C7E000-memory.dmp
memory/2596-75-0x0000000006C80000-0x0000000006C92000-memory.dmp
memory/2596-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2596-77-0x0000000006CA0000-0x0000000006CAE000-memory.dmp
memory/2596-79-0x0000000006CB0000-0x0000000006CC4000-memory.dmp
memory/2596-81-0x0000000006CC0000-0x0000000006CD0000-memory.dmp
memory/2596-82-0x0000000006CE0000-0x0000000006CF4000-memory.dmp
memory/2596-84-0x0000000006D10000-0x0000000006D3E000-memory.dmp
memory/2596-42-0x00000000054D0000-0x00000000054EE000-memory.dmp
memory/2596-86-0x0000000006D50000-0x0000000006D64000-memory.dmp
memory/2596-83-0x0000000006D00000-0x0000000006D0E000-memory.dmp
memory/2596-93-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/2596-94-0x0000000005240000-0x0000000005250000-memory.dmp