Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
24-06-2020 15:08
Static task
static1
Behavioral task
behavioral1
Sample
71649035_Invoice_Receipt.exe
Resource
win7
General
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Target
71649035_Invoice_Receipt.exe
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Size
1.3MB
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MD5
f0433425c4420a92c25d2a1913389bf9
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SHA1
d1d80cc96dbaeefa66f914a6ba80a5c0ef395be1
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SHA256
712b20b9ed52d72b38f0c5074e7b3a9bbc5b6aabe73baa60e254ae436dedb25b
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SHA512
563af32cc7e1e92a6ee84012f91948892e9fa97cfccb83e3bacb8ef568e49c52b8f9c6b841fc1ad28cdd8838c412f9353722e7d43720127ef5937a34448924f6
Malware Config
Extracted
nanocore
1.2.2.0
omojune.duckdns.org:8090
dcf5c8b2-cf5c-4745-a999-a029dd2150f1
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activate_away_mode
true
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backup_connection_host
omojune.duckdns.org
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-03-25T16:41:24.051441936Z
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bypass_user_account_control
true
- 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
8090
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default_group
omo june
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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
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
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mutex
dcf5c8b2-cf5c-4745-a999-a029dd2150f1
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
omojune.duckdns.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
true
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set_critical_process
true
-
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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Processes:
MSBuild.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA MSBuild.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
71649035_Invoice_Receipt.exedescription pid process target process PID 1516 wrote to memory of 1288 1516 71649035_Invoice_Receipt.exe MSBuild.exe PID 1516 wrote to memory of 1288 1516 71649035_Invoice_Receipt.exe MSBuild.exe PID 1516 wrote to memory of 1288 1516 71649035_Invoice_Receipt.exe MSBuild.exe PID 1516 wrote to memory of 1288 1516 71649035_Invoice_Receipt.exe MSBuild.exe PID 1516 wrote to memory of 1288 1516 71649035_Invoice_Receipt.exe MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
71649035_Invoice_Receipt.exedescription pid process target process PID 1516 set thread context of 1288 1516 71649035_Invoice_Receipt.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 29 IoCs
Processes:
MSBuild.exe71649035_Invoice_Receipt.exepid process 1288 MSBuild.exe 1288 MSBuild.exe 1288 MSBuild.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
MSBuild.exepid process 1288 MSBuild.exe -
Drops startup file 1 IoCs
Processes:
71649035_Invoice_Receipt.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ipconfig.url 71649035_Invoice_Receipt.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
71649035_Invoice_Receipt.exepid process 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
71649035_Invoice_Receipt.exepid process 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe 1516 71649035_Invoice_Receipt.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 1288 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\71649035_Invoice_Receipt.exe"C:\Users\Admin\AppData\Local\Temp\71649035_Invoice_Receipt.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Drops startup file
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken