Analysis
-
max time kernel
138s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-08-2024 18:11
Static task
static1
Behavioral task
behavioral1
Sample
0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe
Resource
win7-20240705-en
General
-
Target
0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe
-
Size
670KB
-
MD5
b40a08e60b9b7a3504d142c07ba18f2f
-
SHA1
786e1981e4109f32da5b5c93221a3b9e8669046a
-
SHA256
0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3
-
SHA512
7beea84ee5405da69039fd36819f73e8165d1eebdaa8df97552495556969d9a1b7c57cc81c566c91c006ab1a288e828dde1dd7c0dca819c9e05f47bbe19a1876
-
SSDEEP
12288:/nxa/zmcDXmuUMtKeYSsz0NEFx8HnzNN6YZ/g5DO0lD9GIbzH:/nxaakuMsetszEELwnzTFG5flD9rL
Malware Config
Extracted
nanocore
1.2.2.0
december2n.duckdns.org:65140
december2nd.ddns.net:65140
5e26ab75-1b3f-4c8b-a159-3a61aeef3310
-
activate_away_mode
false
-
backup_connection_host
december2nd.ddns.net
- backup_dns_server
-
buffer_size
65538
-
build_time
2024-05-07T02:47:09.586481736Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
65140
-
default_group
NO GREE
-
enable_debug_mode
true
-
gc_threshold
1.0485772e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.0485772e+07
-
mutex
5e26ab75-1b3f-4c8b-a159-3a61aeef3310
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
december2n.duckdns.org
- primary_dns_server
-
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
8009
Signatures
-
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exedescription pid process target process PID 3936 set thread context of 2576 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\DPI Subsystem\dpiss.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\DPI Subsystem\dpiss.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exepowershell.exeschtasks.exeRegSvcs.exeschtasks.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 2092 schtasks.exe 1192 schtasks.exe 4660 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exepowershell.exeRegSvcs.exepid process 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe 4156 powershell.exe 2576 RegSvcs.exe 2576 RegSvcs.exe 2576 RegSvcs.exe 4156 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 2576 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe Token: SeDebugPrivilege 4156 powershell.exe Token: SeDebugPrivilege 2576 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exeRegSvcs.exedescription pid process target process PID 3936 wrote to memory of 4156 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe powershell.exe PID 3936 wrote to memory of 4156 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe powershell.exe PID 3936 wrote to memory of 4156 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe powershell.exe PID 3936 wrote to memory of 4660 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe schtasks.exe PID 3936 wrote to memory of 4660 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe schtasks.exe PID 3936 wrote to memory of 4660 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe schtasks.exe PID 3936 wrote to memory of 2576 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe RegSvcs.exe PID 3936 wrote to memory of 2576 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe RegSvcs.exe PID 3936 wrote to memory of 2576 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe RegSvcs.exe PID 3936 wrote to memory of 2576 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe RegSvcs.exe PID 3936 wrote to memory of 2576 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe RegSvcs.exe PID 3936 wrote to memory of 2576 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe RegSvcs.exe PID 3936 wrote to memory of 2576 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe RegSvcs.exe PID 3936 wrote to memory of 2576 3936 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe RegSvcs.exe PID 2576 wrote to memory of 2092 2576 RegSvcs.exe schtasks.exe PID 2576 wrote to memory of 2092 2576 RegSvcs.exe schtasks.exe PID 2576 wrote to memory of 2092 2576 RegSvcs.exe schtasks.exe PID 2576 wrote to memory of 1192 2576 RegSvcs.exe schtasks.exe PID 2576 wrote to memory of 1192 2576 RegSvcs.exe schtasks.exe PID 2576 wrote to memory of 1192 2576 RegSvcs.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe"C:\Users\Admin\AppData\Local\Temp\0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mzHFviYTm.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4156 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mzHFviYTm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA91.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4660 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- 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:2576 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDD8F.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2092 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDDBE.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1192
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD57981eebe755ccc342576981272e781a6
SHA17f8ac0e50a7bd2fb923b85944aff8df941973e54
SHA256665d2204f88763f169136196875e2ca72039416460b61c330863a938db0090e8
SHA512eb0dbe1b45d84ec140b62a13117df1379b61f94004bc2da17b000d322c29cf7493b5de57f601d583b9a742c3f7d3cbd12fffbf0360cba142237c08099947a2e0
-
Filesize
1KB
MD58cad1b41587ced0f1e74396794f31d58
SHA111054bf74fcf5e8e412768035e4dae43aa7b710f
SHA2563086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
SHA51299c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef
-
Filesize
1KB
MD55fea24e883e06e4df6d240dc72abf2c5
SHA1d778bf0f436141e02df4b421e8188abdcc9a84a4
SHA256e858982f4ab3c74f7a8903eea18c0f73501a77273ae38b54d5c9dec997e79a66
SHA51215afc2ffbbee14d28a5ff8dc8285d01c942147aada36fb33e31045a4e998769b51738bebe199bcad3462f918b535845a893aa2f80c84b9c795cd1fee4a327924