Analysis
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max time kernel
136s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-11-2024 07:15
Static task
static1
Behavioral task
behavioral1
Sample
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe
Resource
win7-20241010-en
General
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Target
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe
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Size
767KB
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MD5
1ee4aca2ed3fbc7d17f8a86c751c1cc2
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SHA1
79fdfd56292f04c800afaa837b445e780355f3fb
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SHA256
a920dfb486d57b7d60d6bad4643d4f425802ce9ac8c520f9771d6689b65ffe80
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SHA512
2aa63b5a446b06d0e1149935ab3ea4803d797355ae4ac092abd5c3e7395bc9bb1dcd56f4489b144bffea42c916f9b22be250a09fd22634ba8de04a054cb7a910
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SSDEEP
12288:WAghZfmc9iuf6+U4yE4tbq8OzrO3D3GY76d0QQ9qUqkhwHGnpaU:bg/fz16+HyAziX700QQ9dqkhGsZ
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
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buffer_size
65535
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build_time
2024-08-05T03:49:33.827385136Z
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bypass_user_account_control
false
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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
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connection_port
1664
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default_group
CAT
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enable_debug_mode
true
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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
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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
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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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe" 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe -
Processes:
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exedescription pid Process procid_target PID 3168 set thread context of 4564 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 98 -
Drops file in Program Files directory 2 IoCs
Processes:
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exedescription ioc Process File created C:\Program Files (x86)\LAN Service\lansv.exe 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe File opened for modification C:\Program Files (x86)\LAN Service\lansv.exe 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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:
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe1ee4aca2ed3fbc7d17f8a86c751c1cc2.exepowershell.exeschtasks.exeschtasks.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1ee4aca2ed3fbc7d17f8a86c751c1cc2.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 400 schtasks.exe 3140 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exepowershell.exe1ee4aca2ed3fbc7d17f8a86c751c1cc2.exepid Process 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 4388 powershell.exe 4388 powershell.exe 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exepid Process 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exepowershell.exe1ee4aca2ed3fbc7d17f8a86c751c1cc2.exedescription pid Process Token: SeDebugPrivilege 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe1ee4aca2ed3fbc7d17f8a86c751c1cc2.exedescription pid Process procid_target PID 3168 wrote to memory of 4388 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 94 PID 3168 wrote to memory of 4388 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 94 PID 3168 wrote to memory of 4388 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 94 PID 3168 wrote to memory of 4120 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 96 PID 3168 wrote to memory of 4120 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 96 PID 3168 wrote to memory of 4120 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 96 PID 3168 wrote to memory of 3544 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 97 PID 3168 wrote to memory of 3544 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 97 PID 3168 wrote to memory of 3544 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 97 PID 3168 wrote to memory of 4564 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 98 PID 3168 wrote to memory of 4564 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 98 PID 3168 wrote to memory of 4564 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 98 PID 3168 wrote to memory of 4564 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 98 PID 3168 wrote to memory of 4564 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 98 PID 3168 wrote to memory of 4564 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 98 PID 3168 wrote to memory of 4564 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 98 PID 3168 wrote to memory of 4564 3168 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 98 PID 4564 wrote to memory of 400 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 99 PID 4564 wrote to memory of 400 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 99 PID 4564 wrote to memory of 400 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 99 PID 4564 wrote to memory of 3140 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 101 PID 4564 wrote to memory of 3140 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 101 PID 4564 wrote to memory of 3140 4564 1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe"C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.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:3168 -
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\1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4388
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C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe"C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe"2⤵PID:4120
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C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe"C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe"2⤵PID:3544
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C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.exe"C:\Users\Admin\AppData\Local\Temp\1ee4aca2ed3fbc7d17f8a86c751c1cc2.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:4564 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFEC3.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:400
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFFFC.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3140
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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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5b7d9947c750fca37238cafd7f7757d04
SHA1e1357883a9111f6be61d965cd9cfa549ade76028
SHA256088fec6dd30bb05c34167b74e596e811ef2bc120b75393bfeae9115cdb3226bd
SHA512878a8b4c1c2e150a4da4b5e79f28f3cbcf07dd7b501465fe59d2ce1e41b66131562f32c6461a153750bd8daf30feeba654d0d8d923e8185c4b7cf9746ad8915e
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Filesize
1KB
MD56b30dba7972c92c9a1b881e88c108b15
SHA1f76207985cc5a1f70edb2fb5bd45678f195a4564
SHA256578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7
SHA512e3dd368937f863cb07453de12173580fb63b8d3983db7119c24860f227c89ded76401c47607f5b1134d215d46fe2b40d4bc3d7299374f1e8abecdeaefc7b9099