Analysis
-
max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-10-2024 18:59
Static task
static1
Behavioral task
behavioral1
Sample
1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe
Resource
win7-20240708-en
General
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Target
1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe
-
Size
607KB
-
MD5
c77d7b80c1b61a649682b28b9daf062f
-
SHA1
15292367af2a8a7152cc0d3f9ca5b0fb254945d8
-
SHA256
1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0
-
SHA512
a9d4883e916bc2a3a976bc079b0a6a7e0348994e647e69b616c66858580b5a6cdafc12c4b37e4d74ff1239def0610369260b62562ebf46c2fe393ca163152258
-
SSDEEP
12288:yO8USvMEgLIVvX9I56tXHbYJY6XZ4SLagMHVzv3dxie6v4pb:1SvMrIVfjXHbYJDZagMHRvNxg4p
Malware Config
Extracted
nanocore
1.2.2.0
pnauco5.ddns.net:1664
ac9038a0-8510-453c-acdb-295331cd9ea3
-
activate_away_mode
true
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backup_connection_host
pnauco5.ddns.net
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2024-07-25T22:01:43.462334136Z
-
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
BLACK
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
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mutex
ac9038a0-8510-453c-acdb-295331cd9ea3
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mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
pnauco5.ddns.net
-
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
-
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
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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.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe" 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe -
Processes:
1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exedescription pid Process procid_target PID 3572 set thread context of 2708 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 94 -
Drops file in Program Files directory 2 IoCs
Processes:
1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exedescription ioc Process File created C:\Program Files (x86)\LAN Service\lansv.exe 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe File opened for modification C:\Program Files (x86)\LAN Service\lansv.exe 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.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:
1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exepowershell.exeschtasks.exeschtasks.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.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 4504 schtasks.exe 2956 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
powershell.exe1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exepid Process 1552 powershell.exe 1552 powershell.exe 2708 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 2708 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 2708 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exepid Process 2708 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exe1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exedescription pid Process Token: SeDebugPrivilege 1552 powershell.exe Token: SeDebugPrivilege 2708 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exedescription pid Process procid_target PID 3572 wrote to memory of 1552 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 92 PID 3572 wrote to memory of 1552 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 92 PID 3572 wrote to memory of 1552 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 92 PID 3572 wrote to memory of 2708 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 94 PID 3572 wrote to memory of 2708 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 94 PID 3572 wrote to memory of 2708 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 94 PID 3572 wrote to memory of 2708 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 94 PID 3572 wrote to memory of 2708 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 94 PID 3572 wrote to memory of 2708 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 94 PID 3572 wrote to memory of 2708 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 94 PID 3572 wrote to memory of 2708 3572 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 94 PID 2708 wrote to memory of 4504 2708 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 95 PID 2708 wrote to memory of 4504 2708 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 95 PID 2708 wrote to memory of 4504 2708 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 95 PID 2708 wrote to memory of 2956 2708 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 98 PID 2708 wrote to memory of 2956 2708 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 98 PID 2708 wrote to memory of 2956 2708 1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe"C:\Users\Admin\AppData\Local\Temp\1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3572 -
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\1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1552
-
-
C:\Users\Admin\AppData\Local\Temp\1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.exe"C:\Users\Admin\AppData\Local\Temp\1929bf695c81cb4c4b39e05929f558907f532931b322b9e2d72f1aa7ffcf22e0.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:2708 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEF03.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4504
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF628.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2956
-
-
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
MD595e3066ddc2fed061dca521097dc62e4
SHA1c9bf3bfd1354b0bafab6fee27d65515954df1928
SHA2561b792865ef4d29bd28049c680c57059c16e799d503592f68d157653e08cf3754
SHA512ae52d7a09309a749da98d4c1b9a7aabba2fc67456a3cac2534aa22371594d0d380203eb9eefe49ac2618fdd89b29c03fecc3b8fb133dfe39ebcdd6623d15fb6f
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Filesize
1KB
MD56b30dba7972c92c9a1b881e88c108b15
SHA1f76207985cc5a1f70edb2fb5bd45678f195a4564
SHA256578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7
SHA512e3dd368937f863cb07453de12173580fb63b8d3983db7119c24860f227c89ded76401c47607f5b1134d215d46fe2b40d4bc3d7299374f1e8abecdeaefc7b9099