Analysis
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max time kernel
110s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-12-2024 03:46
Static task
static1
Behavioral task
behavioral1
Sample
2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe
Resource
win7-20240903-en
General
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Target
2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe
-
Size
503KB
-
MD5
2d43dd5a629f5b5ced165a6957fa7a20
-
SHA1
4326924c72002a52b073789dc647bc5d65edfc07
-
SHA256
2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28
-
SHA512
eec014d7069cd6edcc90d60df742f7961dca0a65f15d0c18f310754df7e21e018707220130ecd3d65cefc5084872391bdff6b32d9d09c9ad74652be513e160fb
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SSDEEP
12288:eVGgMOAslYbn5vK2w7CeEBOB8tfjHmdqC:btslYbN2Ebt7HmdqC
Malware Config
Extracted
nanocore
1.2.2.0
212.192.241.19:9530
0e53723b-45a2-4610-9e0f-bcbf71098cb0
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activate_away_mode
false
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-07-26T03:05:48.681858136Z
-
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
9530
-
default_group
Saint
-
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
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mutex
0e53723b-45a2-4610-9e0f-bcbf71098cb0
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mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
212.192.241.19
-
primary_dns_server
8.8.8.8
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request_elevation
false
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
false
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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Nanocore family
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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.
pid Process 2756 powershell.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe" 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2348 set thread context of 2792 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 35 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\DPI Subsystem\dpiss.exe 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe File opened for modification C:\Program Files (x86)\DPI Subsystem\dpiss.exe 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.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.
pid Process 2916 schtasks.exe 2116 schtasks.exe 628 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2756 powershell.exe 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2756 powershell.exe Token: SeDebugPrivilege 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe Token: SeDebugPrivilege 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2348 wrote to memory of 2756 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 31 PID 2348 wrote to memory of 2756 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 31 PID 2348 wrote to memory of 2756 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 31 PID 2348 wrote to memory of 2756 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 31 PID 2348 wrote to memory of 2916 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 33 PID 2348 wrote to memory of 2916 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 33 PID 2348 wrote to memory of 2916 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 33 PID 2348 wrote to memory of 2916 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 33 PID 2348 wrote to memory of 2792 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 35 PID 2348 wrote to memory of 2792 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 35 PID 2348 wrote to memory of 2792 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 35 PID 2348 wrote to memory of 2792 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 35 PID 2348 wrote to memory of 2792 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 35 PID 2348 wrote to memory of 2792 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 35 PID 2348 wrote to memory of 2792 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 35 PID 2348 wrote to memory of 2792 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 35 PID 2348 wrote to memory of 2792 2348 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 35 PID 2792 wrote to memory of 2116 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 36 PID 2792 wrote to memory of 2116 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 36 PID 2792 wrote to memory of 2116 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 36 PID 2792 wrote to memory of 2116 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 36 PID 2792 wrote to memory of 628 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 38 PID 2792 wrote to memory of 628 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 38 PID 2792 wrote to memory of 628 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 38 PID 2792 wrote to memory of 628 2792 2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe"C:\Users\Admin\AppData\Local\Temp\2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2756
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qvSCyEhVKRwxif" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4C6B.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2916
-
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C:\Users\Admin\AppData\Local\Temp\2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.exe"C:\Users\Admin\AppData\Local\Temp\2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28N.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:2792 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4DB3.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2116
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4E31.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:628
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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
1KB
MD5099b1473fe5016319a7a8f6b52fff11d
SHA1b3c2edb05a6dffe2de18cc34c17f08f92f05db6d
SHA2561344c596509bfd03e4b3deeed882095f02619b15c6843cd08fac4cbd332b0d73
SHA51221a50f34624fe8cda3deae8222e6a6af66f805fca2bb709166d827d039ba2ab8ec61f812511d3433102adb365afca6e9b843fed9ec1f214c54eefd9ddc04b6cf
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Filesize
1KB
MD55fea24e883e06e4df6d240dc72abf2c5
SHA1d778bf0f436141e02df4b421e8188abdcc9a84a4
SHA256e858982f4ab3c74f7a8903eea18c0f73501a77273ae38b54d5c9dec997e79a66
SHA51215afc2ffbbee14d28a5ff8dc8285d01c942147aada36fb33e31045a4e998769b51738bebe199bcad3462f918b535845a893aa2f80c84b9c795cd1fee4a327924