Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
24/01/2024, 13:25
General
- Target 725b8b4ce65b904784323d72bfa78053.exe
- Size 837KB
- Sample240124-qn646sbcgr
- SHA256 c3bc2b40e12238a67064a037cd901898a8fdc6c1dc9d4dd41caa67448289b0a4
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
79.134.225.71:1986
-
127.0.0.1:1986
-
9ea17639-1565-4973-bb5f-f6903de81fd2
-
activate_away_mode
true
-
backup_connection_host
127.0.0.1
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-05-14T01:06:54.600789136Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1986
-
default_group
Theguyfawkes
-
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
9ea17639-1565-4973-bb5f-f6903de81fd2
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
79.134.225.71
-
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
- 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).
- 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\725b8b4ce65b904784323d72bfa78053.exe"C:\Users\Admin\AppData\Local\Temp\725b8b4ce65b904784323d72bfa78053.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\725b8b4ce65b904784323d72bfa78053.exe"2⤵
- 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
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_h0djs254.p0q.ps1
memory/524-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/524-35-0x0000000005220000-0x0000000005230000-memory.dmp
memory/524-26-0x00000000051F0000-0x000000000520E000-memory.dmp
memory/524-25-0x00000000050D0000-0x00000000050DA000-memory.dmp
memory/524-34-0x0000000005540000-0x000000000554A000-memory.dmp
memory/524-20-0x0000000005220000-0x0000000005230000-memory.dmp
memory/524-71-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/524-72-0x0000000005220000-0x0000000005230000-memory.dmp
memory/524-73-0x0000000005220000-0x0000000005230000-memory.dmp
memory/524-16-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3660-6-0x0000000004F20000-0x0000000004F2A000-memory.dmp
memory/3660-7-0x00000000051A0000-0x00000000051F6000-memory.dmp
memory/3660-11-0x0000000006B90000-0x0000000006C3A000-memory.dmp
memory/3660-10-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/3660-15-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3660-9-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3660-8-0x0000000004FA0000-0x0000000004FB2000-memory.dmp
memory/3660-12-0x0000000002740000-0x000000000277C000-memory.dmp
memory/3660-0-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3660-5-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/3660-4-0x0000000004FC0000-0x0000000005052000-memory.dmp
memory/3660-3-0x00000000054D0000-0x0000000005A74000-memory.dmp
memory/3660-2-0x0000000004E80000-0x0000000004F1C000-memory.dmp
memory/3660-1-0x00000000003B0000-0x0000000000488000-memory.dmp
memory/4500-33-0x0000000006180000-0x00000000061E6000-memory.dmp
memory/4500-45-0x000000007F4E0000-0x000000007F4F0000-memory.dmp
memory/4500-27-0x00000000060E0000-0x0000000006102000-memory.dmp
memory/4500-22-0x0000000005A40000-0x0000000006068000-memory.dmp
memory/4500-21-0x0000000005400000-0x0000000005410000-memory.dmp
memory/4500-41-0x00000000063D0000-0x0000000006724000-memory.dmp
memory/4500-42-0x0000000006880000-0x000000000689E000-memory.dmp
memory/4500-43-0x00000000068E0000-0x000000000692C000-memory.dmp
memory/4500-44-0x0000000005400000-0x0000000005410000-memory.dmp
memory/4500-57-0x0000000006E30000-0x0000000006E4E000-memory.dmp
memory/4500-58-0x0000000007A60000-0x0000000007B03000-memory.dmp
memory/4500-47-0x0000000070F10000-0x0000000070F5C000-memory.dmp
memory/4500-46-0x0000000007820000-0x0000000007852000-memory.dmp
memory/4500-36-0x0000000006260000-0x00000000062C6000-memory.dmp
memory/4500-59-0x00000000081E0000-0x000000000885A000-memory.dmp
memory/4500-60-0x0000000007BA0000-0x0000000007BBA000-memory.dmp
memory/4500-61-0x0000000007C10000-0x0000000007C1A000-memory.dmp
memory/4500-62-0x0000000007E20000-0x0000000007EB6000-memory.dmp
memory/4500-63-0x0000000007DA0000-0x0000000007DB1000-memory.dmp
memory/4500-64-0x0000000007DD0000-0x0000000007DDE000-memory.dmp
memory/4500-65-0x0000000007DE0000-0x0000000007DF4000-memory.dmp
memory/4500-66-0x0000000007EE0000-0x0000000007EFA000-memory.dmp
memory/4500-67-0x0000000007EC0000-0x0000000007EC8000-memory.dmp
memory/4500-70-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/4500-19-0x0000000005400000-0x0000000005410000-memory.dmp
memory/4500-18-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/4500-17-0x00000000052A0000-0x00000000052D6000-memory.dmp