Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
12/10/2026, 08:09
General
- Target jaffacakes118_Trojan-Spy.MSIL.Omaneat.egp.exe
- Size 1.1MB
- Sample261012-j2jgpsaa59
- SHA256 f7f84a14821ade0fc80506f5ac43a17deb2c31159e14523b942fb11ce37f9cab
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
78.107.191.86:1194
-
e71b6eee-1107-46a6-a443-db563fe62e56
-
activate_away_mode
true
-
backup_connection_host
78.107.191.86
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2016-12-31T20:37:54.526850636Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
true
-
connect_delay
4000
-
connection_port
1194
-
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
e71b6eee-1107-46a6-a443-db563fe62e56
-
mutex_timeout
5000
-
prevent_system_sleep
true
- 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
- Family: NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 54 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Spy.MSIL.Omaneat.egp.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Spy.MSIL.Omaneat.egp.exe"1⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
-
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\audio.exe"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\audio.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
audio.exe
memory/3260-6-0x00000000010F0000-0x00000000010F1000-memory.dmp
memory/3260-7-0x00000000010F0000-0x00000000010F1000-memory.dmp
memory/4636-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4636-9-0x0000000002700000-0x0000000002710000-memory.dmp
memory/4636-10-0x00000000733C2000-0x00000000733C4000-memory.dmp
memory/4636-14-0x0000000002700000-0x0000000002710000-memory.dmp
memory/4636-15-0x00000000733C2000-0x00000000733C4000-memory.dmp