Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
25/04/2024, 09:41
General
- Target POP.exe
- Size 660KB
- Sample240425-lny2cahe4v
- SHA256 3796fdf35ca6c4557746dc1de61e477fe9972bc44a2fb23503e302c27fab4335
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
amechi.duckdns.org:4190
-
1e951a16-0899-4a49-9bed-fad9fc6657d1
-
activate_away_mode
true
-
backup_connection_host
amechi.duckdns.org
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2024-02-05T10:09:03.565293536Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
4190
-
default_group
clement
-
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
1e951a16-0899-4a49-9bed-fad9fc6657d1
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
amechi.duckdns.org
-
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).
- Program crash 1 IoCs
- 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 18 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\POP.exe"C:\Users\Admin\AppData\Local\Temp\POP.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\POP.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CXAoYUE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CXAoYUE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp705D.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\POP.exe"C:\Users\Admin\AppData\Local\Temp\POP.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
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 17322⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4420 -ip 44201⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_a5unpihh.k3j.ps1
tmp705D.tmp
memory/800-59-0x000000007FD30000-0x000000007FD40000-memory.dmp
memory/800-26-0x00000000057A0000-0x00000000057C2000-memory.dmp
memory/800-103-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/800-96-0x0000000007B70000-0x0000000007B78000-memory.dmp
memory/800-94-0x0000000007A90000-0x0000000007AA4000-memory.dmp
memory/800-92-0x0000000007A50000-0x0000000007A61000-memory.dmp
memory/800-90-0x00000000078C0000-0x00000000078CA000-memory.dmp
memory/800-88-0x0000000007E90000-0x000000000850A000-memory.dmp
memory/800-87-0x00000000051A0000-0x00000000051B0000-memory.dmp
memory/800-18-0x00000000051A0000-0x00000000051B0000-memory.dmp
memory/800-83-0x0000000007510000-0x00000000075B3000-memory.dmp
memory/800-19-0x00000000051A0000-0x00000000051B0000-memory.dmp
memory/800-60-0x00000000074D0000-0x0000000007502000-memory.dmp
memory/800-61-0x000000006EE10000-0x000000006EE5C000-memory.dmp
memory/800-22-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/800-57-0x0000000006560000-0x00000000065AC000-memory.dmp
memory/800-56-0x0000000006520000-0x000000000653E000-memory.dmp
memory/800-34-0x0000000005E80000-0x0000000005EE6000-memory.dmp
memory/3828-28-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/3828-55-0x0000000006480000-0x000000000648A000-memory.dmp
memory/3828-50-0x0000000005700000-0x0000000005710000-memory.dmp
memory/3828-104-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/3828-115-0x0000000006CB0000-0x0000000006CBE000-memory.dmp
memory/3828-114-0x0000000006C90000-0x0000000006CA4000-memory.dmp
memory/3828-113-0x0000000006C70000-0x0000000006C80000-memory.dmp
memory/3828-53-0x00000000056F0000-0x00000000056FA000-memory.dmp
memory/3828-54-0x0000000006340000-0x000000000635E000-memory.dmp
memory/3828-108-0x0000000006C20000-0x0000000006C2E000-memory.dmp
memory/3828-106-0x0000000006BE0000-0x0000000006BF2000-memory.dmp
memory/3828-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3828-112-0x0000000006C60000-0x0000000006C74000-memory.dmp
memory/3828-111-0x0000000006C50000-0x0000000006C5E000-memory.dmp
memory/3828-110-0x0000000006C40000-0x0000000006C4C000-memory.dmp
memory/3828-109-0x0000000006C30000-0x0000000006C42000-memory.dmp
memory/3828-107-0x0000000006BF0000-0x0000000006C0A000-memory.dmp
memory/4360-73-0x0000000007850000-0x000000000786E000-memory.dmp
memory/4360-17-0x00000000057F0000-0x0000000005E18000-memory.dmp
memory/4360-85-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/4360-62-0x000000007F830000-0x000000007F840000-memory.dmp
memory/4360-86-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/4360-14-0x00000000050E0000-0x0000000005116000-memory.dmp
memory/4360-16-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/4360-89-0x00000000079E0000-0x00000000079FA000-memory.dmp
memory/4360-15-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/4360-102-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/4360-91-0x0000000007C60000-0x0000000007CF6000-memory.dmp
memory/4360-93-0x0000000007C10000-0x0000000007C1E000-memory.dmp
memory/4360-20-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/4360-95-0x0000000007D20000-0x0000000007D3A000-memory.dmp
memory/4360-63-0x000000006EE10000-0x000000006EE5C000-memory.dmp
memory/4360-49-0x0000000006170000-0x00000000061D6000-memory.dmp
memory/4420-58-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/4420-6-0x0000000005620000-0x0000000005640000-memory.dmp
memory/4420-1-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/4420-2-0x0000000005640000-0x0000000005BE4000-memory.dmp
memory/4420-7-0x0000000006370000-0x0000000006384000-memory.dmp
memory/4420-8-0x0000000006920000-0x000000000699A000-memory.dmp
memory/4420-9-0x000000000D280000-0x000000000D31C000-memory.dmp
memory/4420-4-0x0000000004FE0000-0x0000000004FF0000-memory.dmp
memory/4420-5-0x0000000005050000-0x000000000505A000-memory.dmp
memory/4420-0-0x00000000005A0000-0x000000000064C000-memory.dmp
memory/4420-35-0x0000000004FE0000-0x0000000004FF0000-memory.dmp
memory/4420-24-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/4420-3-0x0000000005090000-0x0000000005122000-memory.dmp
memory/4420-27-0x000000000DEC0000-0x000000000E214000-memory.dmp