Analysis
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max time kernel
145s -
max time network
151s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
12-10-2021 08:22
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE.exe
Resource
win7v20210408
General
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Target
INVOICE.exe
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Size
1.3MB
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MD5
088793d72583239cf48bc2cc6cd4e188
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SHA1
a9c2abf03fd18407ec41030266dc5912fe5423e4
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SHA256
9accd263b79d26b6791096b9b5e6f7b0c9d16c0648648301c59bab32ada1071d
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SHA512
3e79b55722a912e04209be3b2c1f7319b88cd3a33d092073b32bafe20ed43887f251a3ad3c5a814d500ddd0871b83025bc7c8c453d224cb60360061fe5382744
Malware Config
Extracted
nanocore
1.2.2.0
172.111.250.107:51000
apaduckdns.duckdns.org:51000
599952d4-aed1-4828-a423-c4bf438e7e18
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activate_away_mode
true
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backup_connection_host
apaduckdns.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
2019-09-12T02:24:33.575087936Z
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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
51000
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default_group
GREENFIELD
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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
599952d4-aed1-4828-a423-c4bf438e7e18
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
172.111.250.107
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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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INVOICE.exedescription pid process target process PID 2436 set thread context of 1088 2436 INVOICE.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\SCSI Service\scsisvc.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\SCSI Service\scsisvc.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
RegSvcs.exepid process 1088 RegSvcs.exe 1088 RegSvcs.exe 1088 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 1088 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 1088 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
INVOICE.exepid process 2436 INVOICE.exe 2436 INVOICE.exe 2436 INVOICE.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
INVOICE.exepid process 2436 INVOICE.exe 2436 INVOICE.exe 2436 INVOICE.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
INVOICE.exedescription pid process target process PID 2436 wrote to memory of 1088 2436 INVOICE.exe RegSvcs.exe PID 2436 wrote to memory of 1088 2436 INVOICE.exe RegSvcs.exe PID 2436 wrote to memory of 1088 2436 INVOICE.exe RegSvcs.exe PID 2436 wrote to memory of 1088 2436 INVOICE.exe RegSvcs.exe PID 2436 wrote to memory of 1088 2436 INVOICE.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegSvcs.exe"2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1088
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