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Analysis
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max time kernel
120s -
max time network
300s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/09/2024, 14:51
Static task
static1
Behavioral task
behavioral1
Sample
pe513ZxNNQ32P70 (1).exe
Resource
win7-20240903-en
General
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Target
pe513ZxNNQ32P70 (1).exe
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Size
593KB
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MD5
c2c5a1dc123a5d2a04675210ec41f248
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SHA1
f12307b419f7cac6d1323ba6fd6df782aedca141
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SHA256
7af816210b7fe504d7f1aefbb2dc33642e8f8b05b338d33b65d62910a8bc42a2
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SHA512
d75cf63c6bf8ee063fdebacae5d9092c4cb853dbf00ac17205ea8155fc3b1d976dc0363454652528c6b8b071964bb3bdf95fb3a25f09acbdb7ae279f28f60ed8
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SSDEEP
12288:EHSD0mNU+z6AILbhKPICKreZr5Z6lVKvGWxg6Ca2Wp:Ey9vz6Bb8hxZVZQwvDa6C/W
Malware Config
Extracted
nanocore
1.2.2.0
blv23728.ddns.net:6110
127.0.0.1:6110
c04f2f08-744f-4293-8ea1-2fca37d145bf
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activate_away_mode
true
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backup_connection_host
127.0.0.1
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-06-30T19:46:18.917482936Z
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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
6110
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default_group
C3C3
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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
c04f2f08-744f-4293-8ea1-2fca37d145bf
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
blv23728.ddns.net
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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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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 2176 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\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe" pe513ZxNNQ32P70 (1).exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA pe513ZxNNQ32P70 (1).exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3044 set thread context of 2812 3044 pe513ZxNNQ32P70 (1).exe 32 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\UDP Service\udpsv.exe pe513ZxNNQ32P70 (1).exe File opened for modification C:\Program Files (x86)\UDP Service\udpsv.exe pe513ZxNNQ32P70 (1).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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pe513ZxNNQ32P70 (1).exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pe513ZxNNQ32P70 (1).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.
pid Process 2568 schtasks.exe 2972 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2176 powershell.exe 2812 pe513ZxNNQ32P70 (1).exe 2812 pe513ZxNNQ32P70 (1).exe 2812 pe513ZxNNQ32P70 (1).exe 2812 pe513ZxNNQ32P70 (1).exe 2812 pe513ZxNNQ32P70 (1).exe 2812 pe513ZxNNQ32P70 (1).exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2812 pe513ZxNNQ32P70 (1).exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 2812 pe513ZxNNQ32P70 (1).exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3044 wrote to memory of 2176 3044 pe513ZxNNQ32P70 (1).exe 30 PID 3044 wrote to memory of 2176 3044 pe513ZxNNQ32P70 (1).exe 30 PID 3044 wrote to memory of 2176 3044 pe513ZxNNQ32P70 (1).exe 30 PID 3044 wrote to memory of 2176 3044 pe513ZxNNQ32P70 (1).exe 30 PID 3044 wrote to memory of 2812 3044 pe513ZxNNQ32P70 (1).exe 32 PID 3044 wrote to memory of 2812 3044 pe513ZxNNQ32P70 (1).exe 32 PID 3044 wrote to memory of 2812 3044 pe513ZxNNQ32P70 (1).exe 32 PID 3044 wrote to memory of 2812 3044 pe513ZxNNQ32P70 (1).exe 32 PID 3044 wrote to memory of 2812 3044 pe513ZxNNQ32P70 (1).exe 32 PID 3044 wrote to memory of 2812 3044 pe513ZxNNQ32P70 (1).exe 32 PID 3044 wrote to memory of 2812 3044 pe513ZxNNQ32P70 (1).exe 32 PID 3044 wrote to memory of 2812 3044 pe513ZxNNQ32P70 (1).exe 32 PID 3044 wrote to memory of 2812 3044 pe513ZxNNQ32P70 (1).exe 32 PID 2812 wrote to memory of 2568 2812 pe513ZxNNQ32P70 (1).exe 33 PID 2812 wrote to memory of 2568 2812 pe513ZxNNQ32P70 (1).exe 33 PID 2812 wrote to memory of 2568 2812 pe513ZxNNQ32P70 (1).exe 33 PID 2812 wrote to memory of 2568 2812 pe513ZxNNQ32P70 (1).exe 33 PID 2812 wrote to memory of 2972 2812 pe513ZxNNQ32P70 (1).exe 35 PID 2812 wrote to memory of 2972 2812 pe513ZxNNQ32P70 (1).exe 35 PID 2812 wrote to memory of 2972 2812 pe513ZxNNQ32P70 (1).exe 35 PID 2812 wrote to memory of 2972 2812 pe513ZxNNQ32P70 (1).exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe"C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044 -
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\pe513ZxNNQ32P70 (1).exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2176
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C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe"C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).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:2812 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3DBC.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2568
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3E1A.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2972
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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
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Downloads
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Filesize
1KB
MD5c075cc11b99b7831b659d2f8f1e4c00a
SHA12c0970d2de8a8847fc5098f2a2f27e04123e5be3
SHA2567f2ce1c231cab108e405902b9cd5160c615da4d3d1894eb6a5d930a91b52626d
SHA5128d1aa519aa49531410a64bb16664ed44222205e53dc807daa66a497d803c75deaa58140d16db6dc5239f1f940c4f8f2a76ed44914a78e2145d18b906e674545e
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Filesize
1KB
MD50a24db62cb5b84309c4803346caaa25d
SHA167660778f61bb44168c33ed3fe56ed86cf9583e8
SHA25638d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df
SHA512d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548