Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
15/04/2024, 04:36
General
- Target f05290862fde867cfaad81d4be571636_JaffaCakes118.exe
- Size 2.4MB
- Sample240415-e8qr5sef67
- SHA256 e9e64099c15c6850b94c2603fbdd740590e4aadca95ac03bb76c11a1969d9ae1
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
185.244.29.216:4050
-
176627fc-9b6d-4f0a-ab26-654a31d03cfd
-
activate_away_mode
true
-
backup_connection_host
185.244.29.216
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-02-15T10:38:24.409596736Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
4050
-
default_group
baby new
-
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
176627fc-9b6d-4f0a-ab26-654a31d03cfd
-
mutex_timeout
5000
-
prevent_system_sleep
false
- primary_connection_host
-
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.
- Executes dropped EXE 2 IoCs
- UPX packed file 7 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f05290862fde867cfaad81d4be571636_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f05290862fde867cfaad81d4be571636_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c test.exe2⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\test.exetest.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\test.exetest.exe4⤵
- Executes dropped EXE
- 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
test.exe
memory/536-43-0x0000000075510000-0x0000000075AC1000-memory.dmp
memory/536-63-0x0000000075510000-0x0000000075AC1000-memory.dmp
memory/536-17-0x0000000000980000-0x00000000009B8000-memory.dmp
memory/536-16-0x0000000000980000-0x00000000009B8000-memory.dmp
memory/536-68-0x0000000000A00000-0x0000000000A10000-memory.dmp
memory/536-67-0x0000000000A00000-0x0000000000A10000-memory.dmp
memory/536-66-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-65-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-14-0x0000000000400000-0x000000000047F000-memory.dmp
memory/536-13-0x0000000000400000-0x000000000047F000-memory.dmp
memory/536-29-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-30-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-31-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-32-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-33-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-34-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-35-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-36-0x0000000077EA2000-0x0000000077EA3000-memory.dmp
memory/536-37-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-38-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-39-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-40-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-41-0x0000000075510000-0x0000000075AC1000-memory.dmp
memory/536-7-0x0000000000400000-0x000000000047F000-memory.dmp
memory/536-10-0x0000000000400000-0x000000000047F000-memory.dmp
memory/536-44-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-46-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-47-0x0000000000A00000-0x0000000000A10000-memory.dmp
memory/536-48-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-49-0x0000000000400000-0x000000000047F000-memory.dmp
memory/536-50-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-51-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-52-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-53-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-54-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-55-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-56-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-59-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-58-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-60-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-61-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-62-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/536-45-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/536-64-0x0000000076100000-0x00000000761F0000-memory.dmp
memory/2852-12-0x0000000000400000-0x00000000004A2000-memory.dmp
memory/2852-11-0x00000000024A0000-0x00000000024A1000-memory.dmp
memory/2852-6-0x0000000002480000-0x0000000002489000-memory.dmp
memory/2852-5-0x0000000002100000-0x0000000002101000-memory.dmp
memory/4376-0-0x0000000000400000-0x0000000000942000-memory.dmp
memory/4376-18-0x0000000000400000-0x0000000000942000-memory.dmp