Analysis
- max time kernel
92s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
25/01/2024, 22:58
General
- Target 649C1188904EC9BAE793C1EA3BAC0F89.exe
- Size 656KB
- Sample240125-2xvchsaafm
- SHA256 9d381423ee9f27108e8df36d255f1cfa33e6873ab0d7827d72b47d548293024b
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
macgains.duckdns.org:6269
-
a3f5e025-fc32-42de-b484-aff3ac6134e8
-
activate_away_mode
true
-
backup_connection_host
macgains.duckdns.org
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2023-11-03T06:19:24.177926136Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
6269
-
default_group
SLAVES
-
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
a3f5e025-fc32-42de-b484-aff3ac6134e8
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
macgains.duckdns.org
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
-
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.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 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 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\649C1188904EC9BAE793C1EA3BAC0F89.exe"C:\Users\Admin\AppData\Local\Temp\649C1188904EC9BAE793C1EA3BAC0F89.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\Roaming\gbDSGmgAW.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gbDSGmgAW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8CBF.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\649C1188904EC9BAE793C1EA3BAC0F89.exe"C:\Users\Admin\AppData\Local\Temp\649C1188904EC9BAE793C1EA3BAC0F89.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
649C1188904EC9BAE793C1EA3BAC0F89.exe.log
__PSScriptPolicyTest_y5sn10qp.vyg.ps1
tmp8CBF.tmp
memory/624-72-0x0000000006B90000-0x0000000006B9E000-memory.dmp
memory/624-61-0x0000000006980000-0x0000000006992000-memory.dmp
memory/624-68-0x0000000006B30000-0x0000000006B3C000-memory.dmp
memory/624-69-0x0000000006B40000-0x0000000006B54000-memory.dmp
memory/624-70-0x0000000006B50000-0x0000000006B60000-memory.dmp
memory/624-71-0x0000000006B70000-0x0000000006B84000-memory.dmp
memory/624-74-0x0000000006BD0000-0x0000000006BE4000-memory.dmp
memory/624-63-0x0000000006AF0000-0x0000000006AFE000-memory.dmp
memory/624-73-0x0000000006BA0000-0x0000000006BCE000-memory.dmp
memory/624-65-0x0000000006B10000-0x0000000006B22000-memory.dmp
memory/624-67-0x0000000006B20000-0x0000000006B2E000-memory.dmp
memory/624-62-0x0000000006AD0000-0x0000000006AEA000-memory.dmp
memory/624-41-0x0000000006230000-0x000000000623A000-memory.dmp
memory/624-40-0x0000000005680000-0x000000000569E000-memory.dmp
memory/624-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/624-86-0x0000000074DC0000-0x0000000075570000-memory.dmp
memory/624-39-0x00000000053E0000-0x00000000053EA000-memory.dmp
memory/624-25-0x0000000074DC0000-0x0000000075570000-memory.dmp
memory/2784-18-0x0000000004900000-0x0000000004910000-memory.dmp
memory/2784-15-0x00000000022F0000-0x0000000002326000-memory.dmp
memory/2784-26-0x0000000004D50000-0x0000000004D72000-memory.dmp
memory/2784-33-0x00000000055E0000-0x0000000005646000-memory.dmp
memory/2784-84-0x0000000074DC0000-0x0000000075570000-memory.dmp
memory/2784-19-0x0000000004900000-0x0000000004910000-memory.dmp
memory/2784-20-0x0000000004F40000-0x0000000005568000-memory.dmp
memory/2784-42-0x0000000005750000-0x0000000005AA4000-memory.dmp
memory/2784-43-0x0000000005C10000-0x0000000005C2E000-memory.dmp
memory/2784-44-0x0000000005C40000-0x0000000005C8C000-memory.dmp
memory/2784-47-0x00000000061F0000-0x0000000006222000-memory.dmp
memory/2784-48-0x00000000708F0000-0x000000007093C000-memory.dmp
memory/2784-59-0x0000000006C00000-0x0000000006CA3000-memory.dmp
memory/2784-58-0x00000000061B0000-0x00000000061CE000-memory.dmp
memory/2784-46-0x000000007F320000-0x000000007F330000-memory.dmp
memory/2784-80-0x0000000007280000-0x000000000729A000-memory.dmp
memory/2784-66-0x0000000006F40000-0x0000000006F5A000-memory.dmp
memory/2784-17-0x0000000074DC0000-0x0000000075570000-memory.dmp
memory/2784-64-0x0000000007580000-0x0000000007BFA000-memory.dmp
memory/2784-32-0x0000000004DF0000-0x0000000004E56000-memory.dmp
memory/2784-81-0x0000000007260000-0x0000000007268000-memory.dmp
memory/2784-75-0x0000000006FB0000-0x0000000006FBA000-memory.dmp
memory/2784-79-0x0000000007180000-0x0000000007194000-memory.dmp
memory/2784-78-0x0000000007170000-0x000000000717E000-memory.dmp
memory/2784-77-0x0000000007140000-0x0000000007151000-memory.dmp
memory/2784-76-0x00000000071C0000-0x0000000007256000-memory.dmp
memory/3124-5-0x00000000055C0000-0x00000000055CA000-memory.dmp
memory/3124-4-0x00000000057E0000-0x00000000057F0000-memory.dmp
memory/3124-3-0x00000000055F0000-0x0000000005682000-memory.dmp
memory/3124-2-0x0000000005BA0000-0x0000000006144000-memory.dmp
memory/3124-6-0x0000000006750000-0x0000000006768000-memory.dmp
memory/3124-7-0x0000000006770000-0x0000000006778000-memory.dmp
memory/3124-8-0x00000000068B0000-0x00000000068BC000-memory.dmp
memory/3124-9-0x0000000008240000-0x00000000082B2000-memory.dmp
memory/3124-10-0x000000000A990000-0x000000000AA2C000-memory.dmp
memory/3124-0-0x0000000000B20000-0x0000000000BCA000-memory.dmp
memory/3124-24-0x0000000074DC0000-0x0000000075570000-memory.dmp
memory/3124-1-0x0000000074DC0000-0x0000000075570000-memory.dmp