Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
02/03/2025, 00:46
Static task
static1
Behavioral task
behavioral1
Sample
0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
Resource
win7-20250207-en
Behavioral task
behavioral2
Sample
0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
Resource
win10v2004-20250217-en
General
-
Target
0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe
-
Size
1.2MB
-
MD5
6f55f3ce777b14cded60ff84c49aefc2
-
SHA1
684be97c043133ec9fe5ccfb04628864e0d06fba
-
SHA256
0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5
-
SHA512
309ee0916c2bf473e4a5dbb1153b78b990611a6f5ffe1dcd6f8da4ee94fd4fbda8cbf090b3086e1f379ccd9c6b01cd13a5532295a220a9d021761a91aedb6b3b
-
SSDEEP
24576:0xEo0hcyTAkOY6ciDnifxCUQ78cb2mmmsr5nENi:0xiJfAi5CTlvmNRENi
Malware Config
Extracted
nanocore
1.2.2.0
185.114.225.7:5502
d0f67b11-5f9c-4a18-bad1-6ac1f96cb72d
-
activate_away_mode
true
-
backup_connection_host
185.114.225.7
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2017-06-21T17:51:56.715796736Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
5502
-
default_group
Csgoniggers
-
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
d0f67b11-5f9c-4a18-bad1-6ac1f96cb72d
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
185.114.225.7
-
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 family
-
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsvc.exe" regasm.exe -
Checks whether UAC is enabled 1 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA regasm.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3712 set thread context of 764 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 95 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\DHCP Service\dhcpsvc.exe regasm.exe File opened for modification C:\Program Files (x86)\DHCP Service\dhcpsvc.exe regasm.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4128 schtasks.exe 2480 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 764 regasm.exe 764 regasm.exe 764 regasm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 764 regasm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 764 regasm.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3712 wrote to memory of 764 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 95 PID 3712 wrote to memory of 764 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 95 PID 3712 wrote to memory of 764 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 95 PID 3712 wrote to memory of 764 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 95 PID 3712 wrote to memory of 764 3712 0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe 95 PID 764 wrote to memory of 4128 764 regasm.exe 96 PID 764 wrote to memory of 4128 764 regasm.exe 96 PID 764 wrote to memory of 4128 764 regasm.exe 96 PID 764 wrote to memory of 2480 764 regasm.exe 98 PID 764 wrote to memory of 2480 764 regasm.exe 98 PID 764 wrote to memory of 2480 764 regasm.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe"C:\Users\Admin\AppData\Local\Temp\0ce3bcd42ab7a0b99e8b101ab65af60c33a1731992df516c4cd19c0cf9fee7e5.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:764 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB064.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4128
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB0C3.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2480
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD53f76b55d124a132695096b4f1728b273
SHA11bad3618b1673bbf98d2ba729eb2bee67ef62a73
SHA256c24803bbf9fc77c6e774c9e01142979888c6d4a848d19c916f1de3f399fc7e89
SHA5126433c2820d518308b3823028bb58d857a6749783ae9d00f23f5ff4435fd9a2ea647700eca7ac74c2340c8bc5bdd746a125a35ed1bb2c6c0402051100e55b999e
-
Filesize
1KB
MD57f4b37265a0a4b0fea67999d11d911e8
SHA11b8e13e6a27c3768c30cf713b79eaa8a757e1349
SHA25639b16b3a00b6b43c6820357127228c0768a577153014ce7b0ea3c585244dc08b
SHA512ef97ccfb663555aedc7fdc4b3ac4cd6536c80a778b4ec3bc6124a09544733988de1dac1e6a3714b0d6e8713e3523e0732d5dfcf674f2c5e1f3eadacb0c8e5e03