Analysis
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max time kernel
106s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
18-10-2022 06:44
Static task
static1
General
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Target
77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe
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Size
1.1MB
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MD5
72124c549ed558d40f28bc928fa4f2a4
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SHA1
0116345620a37fd748e9127f0a96b744de685200
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SHA256
77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3
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SHA512
ef2a14ca0b1b61f48c33338c1c53a1f2c139d5d99624f905ed8f0eadf6e4966854ed833308544005fe50a4fda4882824f02cbb85140df6cfb386d214c2dd3a9e
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SSDEEP
24576:dxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxNussDEOux4Pg:kEOFXYu5+Fdj
Malware Config
Extracted
nanocore
1.2.2.0
tzitziklishop.ddns.net:1665
f6041bb2-7c7b-4774-acc8-84a131b635ab
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activate_away_mode
true
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backup_connection_host
tzitziklishop.ddns.net
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2022-07-22T04:21:36.365135136Z
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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
1665
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default_group
OCTOBER
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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
f6041bb2-7c7b-4774-acc8-84a131b635ab
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
tzitziklishop.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:
77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe" 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe -
Processes:
77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exedescription pid process target process PID 2548 set thread context of 2452 2548 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe -
Drops file in Program Files directory 2 IoCs
Processes:
77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exedescription ioc process File created C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe File opened for modification C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.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 4220 schtasks.exe 3656 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exepid process 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exepid process 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exedescription pid process Token: SeDebugPrivilege 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exedescription pid process target process PID 2548 wrote to memory of 2452 2548 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe PID 2548 wrote to memory of 2452 2548 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe PID 2548 wrote to memory of 2452 2548 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe PID 2548 wrote to memory of 2452 2548 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe PID 2548 wrote to memory of 2452 2548 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe PID 2548 wrote to memory of 2452 2548 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe PID 2548 wrote to memory of 2452 2548 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe PID 2548 wrote to memory of 2452 2548 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe PID 2452 wrote to memory of 4220 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe schtasks.exe PID 2452 wrote to memory of 4220 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe schtasks.exe PID 2452 wrote to memory of 4220 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe schtasks.exe PID 2452 wrote to memory of 3656 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe schtasks.exe PID 2452 wrote to memory of 3656 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe schtasks.exe PID 2452 wrote to memory of 3656 2452 77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe"C:\Users\Admin\AppData\Local\Temp\77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Users\Admin\AppData\Local\Temp\77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.exe"C:\Users\Admin\AppData\Local\Temp\77cade1617699ab5667cbeac85ba478f3640bfbbd2abfe2dd16b6a41cbd9a4d3.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
PID:2452 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7196.tmp"3⤵
- Creates scheduled task(s)
PID:4220 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7262.tmp"3⤵
- Creates scheduled task(s)
PID:3656
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5c47e8a37a30d64a161b634d46c8158e6
SHA1bacad0409c3a9867fc8a95d4f4afefdccb4d2434
SHA25697bee4e445e3dc6b4db36d6ea2c5e9e4070e461e8da6e513e8674e59af03967e
SHA51204c19e7e8f3b7387de9a979d6d12f20109b19494fe04931338ead662d2e82bdfd6ede6164c63e613d867c197d23c65d98763ae74997be26b662e282228fa0b83
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Filesize
1KB
MD52f26d92c1eeead3896820e56ec46f6f1
SHA1d95533b61eed7d89e4ada56bc566d60e42ac1f61
SHA25699a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa
SHA5126c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892