Analysis
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max time kernel
160s -
max time network
168s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
31-08-2022 01:23
Static task
static1
General
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Target
3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe
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Size
725KB
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MD5
1607d7d6b2337e8417b9c142b195cc37
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SHA1
85983779eabc38a060da7401559407a5bbd60873
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SHA256
3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90
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SHA512
323745e6529be6a8fae56afd9bed9d4fd27c052d0b6ef573d8b66ac785a1232da105fae1189f69afb89cbb9ef39baaa1669cd8edff76460b00402149113cb8f6
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SSDEEP
12288:7Sqg5SRF75ea2OXBVxqJnWkLjUOUjekZ90KzvTPluLlQ8f4fMihepn:vRZ5rRxV847pjZbzvTPlCC8f9Fn
Malware Config
Extracted
nanocore
1.2.2.0
kasawulli845.ddns.net:5211
127.0.0.1:5211
d4cfd040-7e1e-457d-bd2d-3dc785b0760c
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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
2022-05-29T06:31:10.522487936Z
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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
5211
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default_group
AUGFILE
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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
d4cfd040-7e1e-457d-bd2d-3dc785b0760c
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
kasawulli845.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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UPNP Service = "C:\\Program Files (x86)\\UPNP Service\\upnpsvc.exe" 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe -
Processes:
3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exedescription pid process target process PID 656 set thread context of 4252 656 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe -
Drops file in Program Files directory 2 IoCs
Processes:
3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exedescription ioc process File created C:\Program Files (x86)\UPNP Service\upnpsvc.exe 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe File opened for modification C:\Program Files (x86)\UPNP Service\upnpsvc.exe 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.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 3928 schtasks.exe 5024 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exepid process 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exedescription pid process Token: SeDebugPrivilege 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exepid process 656 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 656 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exedescription pid process target process PID 656 wrote to memory of 4252 656 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe PID 656 wrote to memory of 4252 656 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe PID 656 wrote to memory of 4252 656 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe PID 656 wrote to memory of 4252 656 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe PID 656 wrote to memory of 4252 656 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe PID 656 wrote to memory of 4252 656 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe PID 656 wrote to memory of 4252 656 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe PID 656 wrote to memory of 4252 656 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe PID 4252 wrote to memory of 3928 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe schtasks.exe PID 4252 wrote to memory of 3928 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe schtasks.exe PID 4252 wrote to memory of 3928 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe schtasks.exe PID 4252 wrote to memory of 5024 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe schtasks.exe PID 4252 wrote to memory of 5024 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe schtasks.exe PID 4252 wrote to memory of 5024 4252 3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe"C:\Users\Admin\AppData\Local\Temp\3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:656 -
C:\Users\Admin\AppData\Local\Temp\3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe"C:\Users\Admin\AppData\Local\Temp\3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4252 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UPNP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAA5.tmp"3⤵
- Creates scheduled task(s)
PID:3928
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UPNP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1544.tmp"3⤵
- Creates scheduled task(s)
PID:5024
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3ac36b3612907df3fd1724900c917c215ef9bf6c5530c81d3b40a1faf7447b90.exe.log
Filesize1KB
MD50b7d64364122b4ad54fb5bcbdf451501
SHA1d184d2d401fa8d66d9bec291cd35b5e67c94566d
SHA256aca7b1b47e14599fde606d565521581e5e86e09a7b15c937e81ce40dd3431632
SHA512b2afcc4cf1a3f85525f6187d41b4017cf906fe81714fcfce9e225042510c49984861f6cfc8a0a7f664b247bf2c502091abaa589bc515ab5f1fadf60c3f90fa4f
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Filesize
1KB
MD54c832ec236838b76043c902806a7b4b5
SHA180ecc30c4e666f3ad15ef638e60896af6cdf608d
SHA256b0d636f0610fc5fdf28fdcdf81312152a975ce3401dc5e46de9995ec86ee1833
SHA5124654f509857c727a0eed3c767982018d72fc46bb480e5b43533d345d71fe0e401322af6ec200b9e62a40eaa94da96d192ffb3acaa656a9c148377745c111d838
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Filesize
1KB
MD5b6cfd003f1682d4dd9e6745b448a2e50
SHA112a6b0c7596324e28539781634b166574525c9a2
SHA256d499d9729b97f0db825b813560bc912d5e9de1e2bf17344b2837970ec5eea942
SHA512903ed7c0923e2c97d33849d929da03244b2a5e45b7b1e241b915e7586add1c5d0e18e13c537e5aca6d2deb110bba71b824c568d877af8d8f2ceef991d46a803f