Analysis
-
max time kernel
29s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
05-11-2024 01:04
Static task
static1
Behavioral task
behavioral1
Sample
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe
Resource
win7-20240729-en
General
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Target
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe
-
Size
797KB
-
MD5
d1f751f50be38431133c464db71bd107
-
SHA1
88f9ae16f1c1690da3a11b75c73dfddd57eed352
-
SHA256
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170
-
SHA512
76ca1fd81b70c4fc7f19d520abf50533f2884b569706c189a486ee5bc5d5be58ed93297573424cd4ec741d4b11787f0a8814727cc1225853537feb278a21593a
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SSDEEP
12288:a1AP1lqeixSQWj08orjBcXhiktRmoMQdnjq/xeZAPEtDXx1PpIyh:7lqel/4rjB3BoMQdnjq/MuEdPpvh
Malware Config
Extracted
nanocore
1.2.2.0
66.63.187.113:1664
a376f716-2f77-4943-a431-3a3bcb53b7c0
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activate_away_mode
true
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backup_connection_host
66.63.187.113
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backup_dns_server
8.8.4.4
-
buffer_size
65535
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build_time
2024-08-05T03:49:33.827385136Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
-
connection_port
1664
-
default_group
CAT
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
-
mutex
a376f716-2f77-4943-a431-3a3bcb53b7c0
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
66.63.187.113
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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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.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Service = "C:\\Program Files (x86)\\PCI Service\\pcisv.exe" 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe -
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exedescription pid Process procid_target PID 2524 set thread context of 2744 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 33 -
Drops file in Program Files directory 2 IoCs
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exedescription ioc Process File created C:\Program Files (x86)\PCI Service\pcisv.exe 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe File opened for modification C:\Program Files (x86)\PCI Service\pcisv.exe 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exepowershell.exeschtasks.exeschtasks.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.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 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.
Processes:
schtasks.exeschtasks.exepid Process 408 schtasks.exe 2052 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exepowershell.exepid Process 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 2812 powershell.exe 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exepid Process 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exepowershell.exedescription pid Process Token: SeDebugPrivilege 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe Token: SeDebugPrivilege 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe Token: SeDebugPrivilege 2812 powershell.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exedescription pid Process procid_target PID 2524 wrote to memory of 2812 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 29 PID 2524 wrote to memory of 2812 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 29 PID 2524 wrote to memory of 2812 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 29 PID 2524 wrote to memory of 2812 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 29 PID 2524 wrote to memory of 2852 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 31 PID 2524 wrote to memory of 2852 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 31 PID 2524 wrote to memory of 2852 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 31 PID 2524 wrote to memory of 2852 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 31 PID 2524 wrote to memory of 2808 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 32 PID 2524 wrote to memory of 2808 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 32 PID 2524 wrote to memory of 2808 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 32 PID 2524 wrote to memory of 2808 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 32 PID 2524 wrote to memory of 2744 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 33 PID 2524 wrote to memory of 2744 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 33 PID 2524 wrote to memory of 2744 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 33 PID 2524 wrote to memory of 2744 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 33 PID 2524 wrote to memory of 2744 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 33 PID 2524 wrote to memory of 2744 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 33 PID 2524 wrote to memory of 2744 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 33 PID 2524 wrote to memory of 2744 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 33 PID 2524 wrote to memory of 2744 2524 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 33 PID 2744 wrote to memory of 408 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 34 PID 2744 wrote to memory of 408 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 34 PID 2744 wrote to memory of 408 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 34 PID 2744 wrote to memory of 408 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 34 PID 2744 wrote to memory of 2052 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 36 PID 2744 wrote to memory of 2052 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 36 PID 2744 wrote to memory of 2052 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 36 PID 2744 wrote to memory of 2052 2744 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe"C:\Users\Admin\AppData\Local\Temp\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2524 -
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\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2812
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C:\Users\Admin\AppData\Local\Temp\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe"C:\Users\Admin\AppData\Local\Temp\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe"2⤵PID:2852
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C:\Users\Admin\AppData\Local\Temp\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe"C:\Users\Admin\AppData\Local\Temp\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe"2⤵PID:2808
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C:\Users\Admin\AppData\Local\Temp\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe"C:\Users\Admin\AppData\Local\Temp\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.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:2744 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC948.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:408
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCA43.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2052
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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
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Filesize
1KB
MD5c1ff66cd764f8d80380c6bab86363f33
SHA12d2603281094b562847b3cd92825bc65e4fb1b86
SHA256eb5aca7c63474694139081c86020981fc7c36ed289f5573686b1fe237ce94127
SHA5127b4a4ca9cc396c1e197c2e2657fa306008a14851678069732d37ccf7b520d1bee9e4c86b7d75c34f8b8ee348fdb702e9753d0fef5b503ea017f60fd7c0eac144
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Filesize
1KB
MD5bbb0d424bb7cb3b0e6aeb68cf82b8f5f
SHA17e95dcd21a27ee53e5c23ed5a163df56a43d572a
SHA25608d6bee474edf0151a0d8ff942ba9e6a1efe069585c63477abd1c7bd8046e130
SHA5120dc790a415f9717f6e7633c1d5f2749a2eca5582c5bbe114119c3ddba6d4e4d0df48029622e2fe07f94d8ae97c334b88691b7721da50ada261449769ae31d466