Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 23:13
Static task
static1
Behavioral task
behavioral1
Sample
-09876543456789.exe
Resource
win7-20240611-en
General
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Target
-09876543456789.exe
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Size
1.5MB
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MD5
ca48db3ce08860333f534588b8d52bae
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SHA1
91d76c46a7f96ca1e7bab61d06cbeeb859bb8ef3
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SHA256
8b6b44f37521a7b98f55882558648efdfec86cb745d491d1b3b3d55c69723dbf
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SHA512
e0915a9a6fcfd601756e81b85f7c6b77ee01499736233701ba7936c735eb46324f127abd7b11756e43fcf85c5b822cb4223d13f91c4766aaff18b0f4c3b311e3
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SSDEEP
24576:Jtb20pkaCqT5TBWgNQ7aLxKSj8CNZfRmiFGcDNrZ6A:aVg5tQ7aLxhpZZmiDT5
Malware Config
Extracted
nanocore
1.2.2.0
pharmzone.hopto.org:1010
79.134.225.72:1010
4226277e-f2be-43a6-87c9-f5164ec5bb36
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activate_away_mode
true
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backup_connection_host
79.134.225.72
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-02-03T16:02:10.835552936Z
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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
1010
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default_group
@FILE
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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
4226277e-f2be-43a6-87c9-f5164ec5bb36
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
pharmzone.hopto.org
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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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Drops startup file 1 IoCs
Processes:
-09876543456789.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dusmtask.url -09876543456789.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
MSBuild.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe" MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
-09876543456789.exedescription pid process target process PID 4804 set thread context of 2016 4804 -09876543456789.exe MSBuild.exe -
Drops file in Program Files directory 2 IoCs
Processes:
MSBuild.exedescription ioc process File opened for modification C:\Program Files (x86)\DPI Subsystem\dpiss.exe MSBuild.exe File created C:\Program Files (x86)\DPI Subsystem\dpiss.exe MSBuild.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3060 schtasks.exe 2300 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 31 IoCs
Processes:
MSBuild.exe-09876543456789.exepid process 2016 MSBuild.exe 2016 MSBuild.exe 2016 MSBuild.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
MSBuild.exepid process 2016 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 2016 MSBuild.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
-09876543456789.exepid process 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
-09876543456789.exepid process 4804 -09876543456789.exe 4804 -09876543456789.exe 4804 -09876543456789.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
-09876543456789.exeMSBuild.exedescription pid process target process PID 4804 wrote to memory of 2016 4804 -09876543456789.exe MSBuild.exe PID 4804 wrote to memory of 2016 4804 -09876543456789.exe MSBuild.exe PID 4804 wrote to memory of 2016 4804 -09876543456789.exe MSBuild.exe PID 4804 wrote to memory of 2016 4804 -09876543456789.exe MSBuild.exe PID 4804 wrote to memory of 2016 4804 -09876543456789.exe MSBuild.exe PID 2016 wrote to memory of 2300 2016 MSBuild.exe schtasks.exe PID 2016 wrote to memory of 2300 2016 MSBuild.exe schtasks.exe PID 2016 wrote to memory of 2300 2016 MSBuild.exe schtasks.exe PID 2016 wrote to memory of 3060 2016 MSBuild.exe schtasks.exe PID 2016 wrote to memory of 3060 2016 MSBuild.exe schtasks.exe PID 2016 wrote to memory of 3060 2016 MSBuild.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\-09876543456789.exe"C:\Users\Admin\AppData\Local\Temp\-09876543456789.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp632E.tmp"3⤵
- Creates scheduled task(s)
PID:2300 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp638D.tmp"3⤵
- Creates scheduled task(s)
PID:3060
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp632E.tmpFilesize
1KB
MD5ae766004c0d8792953bafffe8f6a2e3b
SHA114b12f27543a401e2fe0af8052e116cab0032426
SHA2561abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540
SHA512e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567
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C:\Users\Admin\AppData\Local\Temp\tmp638D.tmpFilesize
1KB
MD55fea24e883e06e4df6d240dc72abf2c5
SHA1d778bf0f436141e02df4b421e8188abdcc9a84a4
SHA256e858982f4ab3c74f7a8903eea18c0f73501a77273ae38b54d5c9dec997e79a66
SHA51215afc2ffbbee14d28a5ff8dc8285d01c942147aada36fb33e31045a4e998769b51738bebe199bcad3462f918b535845a893aa2f80c84b9c795cd1fee4a327924
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memory/2016-10-0x00000000747B2000-0x00000000747B3000-memory.dmpFilesize
4KB
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memory/2016-11-0x00000000747B0000-0x0000000074D61000-memory.dmpFilesize
5.7MB
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memory/2016-12-0x00000000747B0000-0x0000000074D61000-memory.dmpFilesize
5.7MB
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memory/2016-6-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2016-20-0x00000000747B0000-0x0000000074D61000-memory.dmpFilesize
5.7MB
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memory/2016-21-0x00000000747B0000-0x0000000074D61000-memory.dmpFilesize
5.7MB
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memory/2016-22-0x00000000747B2000-0x00000000747B3000-memory.dmpFilesize
4KB
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memory/2016-23-0x00000000747B0000-0x0000000074D61000-memory.dmpFilesize
5.7MB
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memory/2016-24-0x00000000747B0000-0x0000000074D61000-memory.dmpFilesize
5.7MB
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memory/4804-3-0x00000000040E0000-0x0000000004146000-memory.dmpFilesize
408KB
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memory/4804-4-0x0000000004E40000-0x0000000004EA6000-memory.dmpFilesize
408KB