Analysis
-
max time kernel
134s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
-
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
-
activate_away_mode
true
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backup_connection_host
66.63.187.113
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
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
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1664
-
default_group
CAT
-
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
a376f716-2f77-4943-a431-3a3bcb53b7c0
-
mutex_timeout
5000
-
prevent_system_sleep
false
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primary_connection_host
66.63.187.113
-
primary_dns_server
8.8.8.8
-
request_elevation
true
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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
-
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:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe -
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\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.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 1868 set thread context of 512 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 100 -
Drops file in Program Files directory 2 IoCs
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exedescription ioc Process File created C:\Program Files (x86)\LAN Service\lansv.exe 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe File opened for modification C:\Program Files (x86)\LAN Service\lansv.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 3940 schtasks.exe 4980 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exe50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exepid Process 5008 powershell.exe 5008 powershell.exe 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exepid Process 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exe50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exedescription pid Process Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exedescription pid Process procid_target PID 1868 wrote to memory of 5008 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 98 PID 1868 wrote to memory of 5008 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 98 PID 1868 wrote to memory of 5008 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 98 PID 1868 wrote to memory of 512 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 100 PID 1868 wrote to memory of 512 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 100 PID 1868 wrote to memory of 512 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 100 PID 1868 wrote to memory of 512 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 100 PID 1868 wrote to memory of 512 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 100 PID 1868 wrote to memory of 512 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 100 PID 1868 wrote to memory of 512 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 100 PID 1868 wrote to memory of 512 1868 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 100 PID 512 wrote to memory of 3940 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 101 PID 512 wrote to memory of 3940 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 101 PID 512 wrote to memory of 3940 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 101 PID 512 wrote to memory of 4980 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 103 PID 512 wrote to memory of 4980 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 103 PID 512 wrote to memory of 4980 512 50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe"C:\Users\Admin\AppData\Local\Temp\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868 -
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:5008
-
-
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:512 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB69E.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3940
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB73B.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4980
-
-
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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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\50129f457a6d27972ba602a8e3eb1fef29e1bc9f7bc8eda34fc93b734593b170.exe.log
Filesize1KB
MD57cad59aef5a93f093b6ba494f13f796f
SHA13cef97b77939bfc06dfd3946fc1a8cd159f67100
SHA2561e1b444fe2d8772f6709b22b94bb5b0aa7fa590f6a693705d9bf1f2f71267a55
SHA5128cedd03efec34c6226a01fd6b4831a689be16545ea6b849cd96f775e0722bfefd4b47f3dd8401d2080d341d4319f75995ece60de44352a1f86a2e5dc01e6210b
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5c1ff66cd764f8d80380c6bab86363f33
SHA12d2603281094b562847b3cd92825bc65e4fb1b86
SHA256eb5aca7c63474694139081c86020981fc7c36ed289f5573686b1fe237ce94127
SHA5127b4a4ca9cc396c1e197c2e2657fa306008a14851678069732d37ccf7b520d1bee9e4c86b7d75c34f8b8ee348fdb702e9753d0fef5b503ea017f60fd7c0eac144
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Filesize
1KB
MD56b30dba7972c92c9a1b881e88c108b15
SHA1f76207985cc5a1f70edb2fb5bd45678f195a4564
SHA256578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7
SHA512e3dd368937f863cb07453de12173580fb63b8d3983db7119c24860f227c89ded76401c47607f5b1134d215d46fe2b40d4bc3d7299374f1e8abecdeaefc7b9099