Analysis
-
max time kernel
115s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-10-2024 05:47
Static task
static1
Behavioral task
behavioral1
Sample
7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exe
Resource
win7-20240903-en
General
-
Target
7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exe
-
Size
413KB
-
MD5
17cf28d1105ab3b8c8610cbcf9a5bc80
-
SHA1
2e2d350c2682cbd72bb815c9da9161226c86dc55
-
SHA256
7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340
-
SHA512
43444bb055baa4206faff6013ebbceec722531430e2907919f295fed140aec0beced6eb686d6168a752c18a664c3cebf3c8f5fbc65cf0db0cb3bbd0669708968
-
SSDEEP
6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUM:ITNYrnE3bm/CiejewY5vP
Malware Config
Extracted
nanocore
1.2.2.0
4af74541-e3f1-469c-8af7-efe4071b81cf
-
activate_away_mode
false
-
backup_connection_host
178.32.224.116
- backup_dns_server
-
buffer_size
65535
-
build_time
2018-07-28T12:59:38.488799236Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
46218
-
default_group
tourex
-
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
4af74541-e3f1-469c-8af7-efe4071b81cf
-
mutex_timeout
5000
-
prevent_system_sleep
false
- primary_connection_host
- primary_dns_server
-
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
-
Executes dropped EXE 1 IoCs
Processes:
ximo2ubzn1i.exepid Process 2420 ximo2ubzn1i.exe -
Loads dropped DLL 1 IoCs
Processes:
7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exepid Process 2752 7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe" 7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exe -
Processes:
regasm.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA regasm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ximo2ubzn1i.exedescription pid Process procid_target PID 2420 set thread context of 2804 2420 ximo2ubzn1i.exe 31 -
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.
Processes:
7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exeximo2ubzn1i.exeregasm.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ximo2ubzn1i.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
regasm.exepid Process 2804 regasm.exe 2804 regasm.exe 2804 regasm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
regasm.exepid Process 2804 regasm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
regasm.exedescription pid Process Token: SeDebugPrivilege 2804 regasm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exeximo2ubzn1i.exedescription pid Process procid_target PID 2752 wrote to memory of 2420 2752 7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exe 30 PID 2752 wrote to memory of 2420 2752 7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exe 30 PID 2752 wrote to memory of 2420 2752 7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exe 30 PID 2752 wrote to memory of 2420 2752 7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exe 30 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31 PID 2420 wrote to memory of 2804 2420 ximo2ubzn1i.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exe"C:\Users\Admin\AppData\Local\Temp\7ec0d976520afbf416d12c826ec10b4d8170a375af1cc631da6b1338ae87f340N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"3⤵
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2804
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
413KB
MD584193fc7e60112c8a1f4bd2674bebf1c
SHA1423738b53a743a1b65377da5d43bf1a37d5432f2
SHA256ee367485516cbb7a51097e43bffa2a2e13f1e7269fde143c202ca91481614e48
SHA512559ed15320035454aa7cc23459ab2e565016bf59734b96c7da6163bd3341d11b9c91d60204d8e792749ed24cd6c3f323fcbea2f3a8858b88c56d31d27015200b