Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
25/07/2024, 01:12
General
- Target LisectAVT_2403002B_289.exe
- Size 1.3MB
- Sample240725-bkkpfayerj
- SHA256 95107cbf8e5e80e92bec2ad6da134b55944850fd5306f64efa56cc9dea4a817a
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
79.134.225.100:1985
-
127.0.0.1:1985
-
b10f8b74-4448-4597-840b-1e44a5084bfc
-
activate_away_mode
true
-
backup_connection_host
127.0.0.1
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-04-30T10:29:24.181451236Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1985
-
default_group
OBO
-
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
b10f8b74-4448-4597-840b-1e44a5084bfc
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
79.134.225.100
-
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.
- CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_289.exe"C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_289.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\LisectAVT_2403002B_289.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_fbcsradx.5bh.ps1
memory/448-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/448-68-0x00000000747F0000-0x0000000074FA0000-memory.dmp
memory/448-67-0x00000000747F0000-0x0000000074FA0000-memory.dmp
memory/448-26-0x0000000005490000-0x000000000549A000-memory.dmp
memory/448-24-0x00000000050B0000-0x00000000050CE000-memory.dmp
memory/448-23-0x00000000050A0000-0x00000000050AA000-memory.dmp
memory/448-16-0x00000000747F0000-0x0000000074FA0000-memory.dmp
memory/448-14-0x00000000747F0000-0x0000000074FA0000-memory.dmp
memory/2656-11-0x0000000008540000-0x0000000008578000-memory.dmp
memory/2656-4-0x00000000050B0000-0x00000000050BA000-memory.dmp
memory/2656-0-0x00000000747FE000-0x00000000747FF000-memory.dmp
memory/2656-9-0x00000000747F0000-0x0000000074FA0000-memory.dmp
memory/2656-8-0x00000000747FE000-0x00000000747FF000-memory.dmp
memory/2656-15-0x00000000747F0000-0x0000000074FA0000-memory.dmp
memory/2656-7-0x00000000052B0000-0x00000000052C2000-memory.dmp
memory/2656-1-0x00000000005A0000-0x00000000006EC000-memory.dmp
memory/2656-2-0x0000000005720000-0x0000000005CC4000-memory.dmp
memory/2656-10-0x0000000005FC0000-0x0000000006068000-memory.dmp
memory/2656-3-0x00000000050C0000-0x0000000005152000-memory.dmp
memory/2656-6-0x00000000747F0000-0x0000000074FA0000-memory.dmp
memory/2656-5-0x00000000053A0000-0x000000000543C000-memory.dmp
memory/3492-35-0x00000000062D0000-0x0000000006624000-memory.dmp
memory/3492-55-0x0000000008240000-0x00000000088BA000-memory.dmp
memory/3492-28-0x0000000006260000-0x00000000062C6000-memory.dmp
memory/3492-27-0x00000000061F0000-0x0000000006256000-memory.dmp
memory/3492-25-0x00000000747F0000-0x0000000074FA0000-memory.dmp
memory/3492-22-0x0000000005A80000-0x0000000005AA2000-memory.dmp
memory/3492-18-0x0000000005AD0000-0x00000000060F8000-memory.dmp
memory/3492-40-0x00000000068D0000-0x00000000068EE000-memory.dmp
memory/3492-41-0x00000000068F0000-0x000000000693C000-memory.dmp
memory/3492-42-0x0000000006E90000-0x0000000006EC2000-memory.dmp
memory/3492-43-0x00000000703D0000-0x000000007041C000-memory.dmp
memory/3492-53-0x0000000006E70000-0x0000000006E8E000-memory.dmp
memory/3492-54-0x0000000007AC0000-0x0000000007B63000-memory.dmp
memory/3492-29-0x00000000747F0000-0x0000000074FA0000-memory.dmp
memory/3492-56-0x0000000007C00000-0x0000000007C1A000-memory.dmp
memory/3492-57-0x0000000007C70000-0x0000000007C7A000-memory.dmp
memory/3492-58-0x0000000007E80000-0x0000000007F16000-memory.dmp
memory/3492-59-0x0000000007E00000-0x0000000007E11000-memory.dmp
memory/3492-60-0x0000000007E30000-0x0000000007E3E000-memory.dmp
memory/3492-61-0x0000000007E40000-0x0000000007E54000-memory.dmp
memory/3492-62-0x0000000007F40000-0x0000000007F5A000-memory.dmp
memory/3492-63-0x0000000007F20000-0x0000000007F28000-memory.dmp
memory/3492-66-0x00000000747F0000-0x0000000074FA0000-memory.dmp
memory/3492-19-0x00000000747F0000-0x0000000074FA0000-memory.dmp
memory/3492-17-0x0000000002F90000-0x0000000002FC6000-memory.dmp