Analysis
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max time kernel
76s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
15-09-2022 09:11
Static task
static1
General
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Target
9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe
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Size
1.1MB
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MD5
ac765f28f66e0c22c70c3046808f2873
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SHA1
24a0d8688047b6d4e6e3acfcb31351d8673541b4
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SHA256
9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63
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SHA512
e9f36d0e108c091e2fe0230ae8c5ae14437c55a183fe5db19b69d6e9bb39c825b430f57399beac2830a1ea5ab21ff4209f94e10bbdccfd8d24a226fe3f742daa
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SSDEEP
12288:io/V9HiY0TfO0kEe7FB0Z4q9FpKTapNccqArt1G/bCg9vvIZT6oXuU2yPSL0E9:t9CPfOJ7DFiFpKeU9AzG2gFUjX/cH
Malware Config
Extracted
nanocore
1.2.2.0
rolandlandson149.bounceme.net:1007
127.0.0.1:1007
48099ca8-c1b4-49f3-9fe1-d8dfcbf66c09
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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
2022-06-13T20:58:05.824762936Z
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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
1007
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default_group
sepTmAn
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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
48099ca8-c1b4-49f3-9fe1-d8dfcbf66c09
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
rolandlandson149.bounceme.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:
9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe" 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe -
Processes:
9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exedescription pid process target process PID 4892 set thread context of 3660 4892 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe -
Drops file in Program Files directory 2 IoCs
Processes:
9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exedescription ioc process File created C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe File opened for modification C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.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 4964 schtasks.exe 3608 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exepid process 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exepid process 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exedescription pid process Token: SeDebugPrivilege 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exedescription pid process target process PID 4892 wrote to memory of 3660 4892 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe PID 4892 wrote to memory of 3660 4892 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe PID 4892 wrote to memory of 3660 4892 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe PID 4892 wrote to memory of 3660 4892 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe PID 4892 wrote to memory of 3660 4892 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe PID 4892 wrote to memory of 3660 4892 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe PID 4892 wrote to memory of 3660 4892 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe PID 4892 wrote to memory of 3660 4892 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe PID 3660 wrote to memory of 4964 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe schtasks.exe PID 3660 wrote to memory of 4964 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe schtasks.exe PID 3660 wrote to memory of 4964 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe schtasks.exe PID 3660 wrote to memory of 3608 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe schtasks.exe PID 3660 wrote to memory of 3608 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe schtasks.exe PID 3660 wrote to memory of 3608 3660 9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe"C:\Users\Admin\AppData\Local\Temp\9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe"C:\Users\Admin\AppData\Local\Temp\9d3a05900380c309b1b213edcfb1ab1bab9c4eedcc23d99a409d164e4a149b63.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3CAB.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3D68.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp3CAB.tmpFilesize
1KB
MD520205cd8418e18ac11ca01db74136121
SHA1327b23cef7222798478c8e270568a662005a2708
SHA25682f40d3eec274f5118029ebad1bbab83244e1a4bc7ce807a6140c6d3458cae58
SHA51227ca4c690e1d722cfb18d817ce63d4d32c1f2d602991e1b8b7de4756c35286cff23a7216d8461a8c4177fb7cf604410deda897dbc1415ae1d8231d829565d9d1
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C:\Users\Admin\AppData\Local\Temp\tmp3D68.tmpFilesize
1KB
MD52f26d92c1eeead3896820e56ec46f6f1
SHA1d95533b61eed7d89e4ada56bc566d60e42ac1f61
SHA25699a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa
SHA5126c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892
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memory/3608-142-0x0000000000000000-mapping.dmp
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memory/3660-138-0x0000000000000000-mapping.dmp
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memory/3660-139-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/4892-132-0x0000000000DB0000-0x0000000000ECA000-memory.dmpFilesize
1.1MB
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memory/4892-133-0x0000000005F40000-0x00000000064E4000-memory.dmpFilesize
5.6MB
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memory/4892-134-0x00000000058A0000-0x0000000005932000-memory.dmpFilesize
584KB
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memory/4892-135-0x0000000005940000-0x000000000594A000-memory.dmpFilesize
40KB
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memory/4892-136-0x0000000008090000-0x000000000812C000-memory.dmpFilesize
624KB
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memory/4892-137-0x0000000008230000-0x0000000008296000-memory.dmpFilesize
408KB
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memory/4964-140-0x0000000000000000-mapping.dmp