Analysis
- max time kernel
142s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
04/05/2023, 13:16
General
- Target Bank Details.exe
- Size 322KB
- Sample230504-qhsdtsce98
- SHA256 43b1ea9d28fbd3c57dd563eb2097aa6555489795d3f060f2d03192b057878a39
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
arkseven7003.ddns.net:6636
-
52c72f6a-ec93-4545-8ed3-b57fce452a7e
-
activate_away_mode
true
-
backup_connection_host
arkseven7003.ddns.net
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2023-02-13T09:32:05.283205836Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
true
-
connect_delay
4000
-
connection_port
6636
-
default_group
WORLDPEOPLE
-
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
52c72f6a-ec93-4545-8ed3-b57fce452a7e
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
arkseven7003.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.
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 2 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).
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bank Details.exe"C:\Users\Admin\AppData\Local\Temp\Bank Details.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Bank Details.exe"C:\Users\Admin\AppData\Local\Temp\Bank Details.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
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
uqjxazkp.dll
memory/1212-145-0x0000000002340000-0x0000000002350000-memory.dmp
memory/1212-148-0x0000000002340000-0x0000000002350000-memory.dmp
memory/1212-143-0x0000000000400000-0x000000000044A000-memory.dmp
memory/1212-141-0x0000000000400000-0x000000000044A000-memory.dmp
memory/1212-144-0x0000000000400000-0x000000000044A000-memory.dmp
memory/1212-159-0x0000000002340000-0x0000000002350000-memory.dmp
memory/1212-146-0x0000000002340000-0x0000000002350000-memory.dmp
memory/1212-142-0x0000000000400000-0x000000000044A000-memory.dmp
memory/1212-147-0x0000000002340000-0x0000000002350000-memory.dmp
memory/1212-155-0x0000000002340000-0x0000000002350000-memory.dmp
memory/1212-156-0x0000000002340000-0x0000000002350000-memory.dmp
memory/1212-157-0x0000000002340000-0x0000000002350000-memory.dmp
memory/1212-158-0x0000000002340000-0x0000000002350000-memory.dmp
memory/3524-139-0x00000000023F0000-0x00000000023F2000-memory.dmp