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Analysis
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max time kernel
183s -
max time network
299s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 2908 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation pe513ZxNNQ32P70 (1).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\WAN Subsystem = "C:\\Program Files (x86)\\WAN Subsystem\\wanss.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 2296 set thread context of 1996 2296 pe513ZxNNQ32P70 (1).exe 91 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\WAN Subsystem\wanss.exe pe513ZxNNQ32P70 (1).exe File opened for modification C:\Program Files (x86)\WAN Subsystem\wanss.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 1892 schtasks.exe 5060 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2908 powershell.exe 1996 pe513ZxNNQ32P70 (1).exe 1996 pe513ZxNNQ32P70 (1).exe 1996 pe513ZxNNQ32P70 (1).exe 2908 powershell.exe 1996 pe513ZxNNQ32P70 (1).exe 1996 pe513ZxNNQ32P70 (1).exe 1996 pe513ZxNNQ32P70 (1).exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1996 pe513ZxNNQ32P70 (1).exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2908 powershell.exe Token: SeDebugPrivilege 1996 pe513ZxNNQ32P70 (1).exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2296 wrote to memory of 2908 2296 pe513ZxNNQ32P70 (1).exe 89 PID 2296 wrote to memory of 2908 2296 pe513ZxNNQ32P70 (1).exe 89 PID 2296 wrote to memory of 2908 2296 pe513ZxNNQ32P70 (1).exe 89 PID 2296 wrote to memory of 1996 2296 pe513ZxNNQ32P70 (1).exe 91 PID 2296 wrote to memory of 1996 2296 pe513ZxNNQ32P70 (1).exe 91 PID 2296 wrote to memory of 1996 2296 pe513ZxNNQ32P70 (1).exe 91 PID 2296 wrote to memory of 1996 2296 pe513ZxNNQ32P70 (1).exe 91 PID 2296 wrote to memory of 1996 2296 pe513ZxNNQ32P70 (1).exe 91 PID 2296 wrote to memory of 1996 2296 pe513ZxNNQ32P70 (1).exe 91 PID 2296 wrote to memory of 1996 2296 pe513ZxNNQ32P70 (1).exe 91 PID 2296 wrote to memory of 1996 2296 pe513ZxNNQ32P70 (1).exe 91 PID 1996 wrote to memory of 1892 1996 pe513ZxNNQ32P70 (1).exe 92 PID 1996 wrote to memory of 1892 1996 pe513ZxNNQ32P70 (1).exe 92 PID 1996 wrote to memory of 1892 1996 pe513ZxNNQ32P70 (1).exe 92 PID 1996 wrote to memory of 5060 1996 pe513ZxNNQ32P70 (1).exe 94 PID 1996 wrote to memory of 5060 1996 pe513ZxNNQ32P70 (1).exe 94 PID 1996 wrote to memory of 5060 1996 pe513ZxNNQ32P70 (1).exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe"C:\Users\Admin\AppData\Local\Temp\pe513ZxNNQ32P70 (1).exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296 -
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:2908
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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:1996 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA9BD.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1892
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WAN Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAB64.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5060
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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
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5c075cc11b99b7831b659d2f8f1e4c00a
SHA12c0970d2de8a8847fc5098f2a2f27e04123e5be3
SHA2567f2ce1c231cab108e405902b9cd5160c615da4d3d1894eb6a5d930a91b52626d
SHA5128d1aa519aa49531410a64bb16664ed44222205e53dc807daa66a497d803c75deaa58140d16db6dc5239f1f940c4f8f2a76ed44914a78e2145d18b906e674545e
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Filesize
1KB
MD502783aa0d9a1a2104300bdd910c9b6dc
SHA10c8409582f9e606183eca539cc493d82983a0fb0
SHA25659a13383f0495d96e868a7f41557d17f5afe15ce5548d7cc6c7501f6095f68fb
SHA51211ef8bceddd6c0dc0ecec3e5bfbabba4595368b8b9be01a38ccbeaa509b7f99960fea6bbd83a37ea9807f79a5db08cdba1ec8ac85443ffdc3c0f204760153854