Analysis
- max time kernel
141s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
19/01/2022, 01:22
General
- Target Payment confirmation .exe
- Size 588KB
- Sample220119-bq9kraeea7
- SHA256 901c1e2181f5f8f265c9db9e2b5ec3b27a87fe42e65cdfcf98e445a59493b803
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
naki.airdns.org:56281
-
37.120.210.211:56281
-
2616a878-9933-42e4-9fe0-3b57e29bc1f5
-
activate_away_mode
true
-
backup_connection_host
37.120.210.211
-
backup_dns_server
8.8.4.4
-
buffer_size
65530
-
build_time
2021-08-29T11:09:18.405129736Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
56281
-
default_group
Sure Bliss
-
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
2616a878-9933-42e4-9fe0-3b57e29bc1f5
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
naki.airdns.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). Likely ransomware behaviour.
- 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 19 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment confirmation .exe"C:\Users\Admin\AppData\Local\Temp\Payment confirmation .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\Roaming\fCJSqwiUVcPZQK.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fCJSqwiUVcPZQK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9137.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Payment confirmation .exe"C:\Users\Admin\AppData\Local\Temp\Payment confirmation .exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1948-147-0x0000000005650000-0x0000000005BF4000-memory.dmp
memory/1948-141-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2248-146-0x00000000070E0000-0x0000000007146000-memory.dmp
memory/2248-148-0x0000000007F50000-0x0000000007F6E000-memory.dmp
memory/2248-160-0x0000000009570000-0x0000000009578000-memory.dmp
memory/2248-138-0x0000000004620000-0x0000000004656000-memory.dmp
memory/2248-159-0x0000000009590000-0x00000000095AA000-memory.dmp
memory/2248-140-0x00000000071E0000-0x0000000007808000-memory.dmp
memory/2248-158-0x0000000009480000-0x000000000948E000-memory.dmp
memory/2248-142-0x0000000004740000-0x0000000004741000-memory.dmp
memory/2248-144-0x0000000006EA0000-0x0000000006EC2000-memory.dmp
memory/2248-143-0x0000000004742000-0x0000000004743000-memory.dmp
memory/2248-145-0x0000000006F40000-0x0000000006FA6000-memory.dmp
memory/2248-157-0x00000000094D0000-0x0000000009566000-memory.dmp
memory/2248-156-0x00000000092C0000-0x00000000092CA000-memory.dmp
memory/2248-155-0x000000007F410000-0x000000007F411000-memory.dmp
memory/2248-149-0x0000000004745000-0x0000000004747000-memory.dmp
memory/2248-150-0x0000000008510000-0x0000000008542000-memory.dmp
memory/2248-151-0x0000000070CB0000-0x0000000070CFC000-memory.dmp
memory/2248-152-0x0000000008550000-0x000000000856E000-memory.dmp
memory/2248-153-0x0000000009890000-0x0000000009F0A000-memory.dmp
memory/2248-154-0x0000000009250000-0x000000000926A000-memory.dmp
memory/3480-134-0x0000000004C90000-0x0000000004C9A000-memory.dmp
memory/3480-131-0x00000000051C0000-0x0000000005764000-memory.dmp
memory/3480-130-0x0000000000240000-0x00000000002D6000-memory.dmp
memory/3480-132-0x0000000004CB0000-0x0000000004D42000-memory.dmp
memory/3480-133-0x0000000004C10000-0x00000000051B4000-memory.dmp
memory/3480-135-0x0000000007140000-0x00000000071DC000-memory.dmp