Analysis
- max time kernel
76s - max time network
151s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
07/11/2022, 02:57
General
- Target SecuriteInfo.com.Win32.RATX-gen.23573.27985.exe
- Size 1.1MB
- Sample221107-dfk6hsdhf3
- SHA256 3e66205da93cbecb845fd2d10178d666972f96b267d339d63a4b6568dd212ff7
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
deranano.ddns.net:1010
-
80.76.51.109:1010
-
08765466-ad1b-454f-af1f-45839cebf1d5
-
activate_away_mode
true
-
backup_connection_host
80.76.51.109
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2022-07-31T15:53:28.385104436Z
-
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
1010
-
default_group
Default
-
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
08765466-ad1b-454f-af1f-45839cebf1d5
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
deranano.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.
- 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). Likely ransomware behaviour.
- 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 5 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 25 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.23573.27985.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.23573.27985.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\usfIcXfwgK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp55FD.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.23573.27985.exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.23573.27985.exe"{path}"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 "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5A8F.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5B4C.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp55FD.tmp
tmp5A8F.tmp
tmp5B4C.tmp
memory/1292-62-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1292-78-0x00000000004F0000-0x00000000004FA000-memory.dmp
memory/1292-90-0x0000000002250000-0x000000000225E000-memory.dmp
memory/1292-61-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1292-92-0x00000000022B0000-0x00000000022C4000-memory.dmp
memory/1292-64-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1292-65-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1292-67-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1292-72-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1292-70-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1292-91-0x0000000004830000-0x000000000485E000-memory.dmp
memory/1292-89-0x0000000002240000-0x0000000002254000-memory.dmp
memory/1292-86-0x0000000002210000-0x000000000221C000-memory.dmp
memory/1292-87-0x0000000002220000-0x0000000002234000-memory.dmp
memory/1292-88-0x0000000002230000-0x0000000002240000-memory.dmp
memory/1292-79-0x00000000007E0000-0x00000000007FE000-memory.dmp
memory/1292-80-0x0000000000500000-0x000000000050A000-memory.dmp
memory/1292-82-0x00000000009D0000-0x00000000009EA000-memory.dmp
memory/1292-81-0x0000000000820000-0x0000000000832000-memory.dmp
memory/1292-85-0x0000000002100000-0x000000000210E000-memory.dmp
memory/1292-84-0x00000000020B0000-0x00000000020C2000-memory.dmp
memory/1292-83-0x0000000000A40000-0x0000000000A4E000-memory.dmp
memory/1996-55-0x0000000075281000-0x0000000075283000-memory.dmp
memory/1996-56-0x0000000000480000-0x0000000000492000-memory.dmp
memory/1996-57-0x0000000005CF0000-0x0000000005D92000-memory.dmp
memory/1996-54-0x0000000000A60000-0x0000000000B8A000-memory.dmp
memory/1996-58-0x00000000044B0000-0x00000000044FE000-memory.dmp