Analysis
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max time kernel
94s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-08-2022 14:00
Static task
static1
Behavioral task
behavioral1
Sample
33033d3ad58d7ea7014df1ed01f3a87d.exe
Resource
win7-20220812-en
General
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Target
33033d3ad58d7ea7014df1ed01f3a87d.exe
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Size
1007KB
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MD5
33033d3ad58d7ea7014df1ed01f3a87d
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SHA1
b5d523117a452b857706ce9829aaddbb3b041863
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SHA256
b95f5f68948d08e06292fbda648e99b3d7d237e19cb4da03fc729fddd681d195
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SHA512
54ceda6e975ebddf704bc93600cb10e3f05358857908b8fa1eb742efddd2a206683782c87462c80f14210c0c4402de6321a117b2356bfdfd662f3aef1567e450
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SSDEEP
24576:4sI90AUjkXY+mzo3FLevRJSHl+4NG8okyNR:xSlmzJvRs+qG3kyn
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:
33033d3ad58d7ea7014df1ed01f3a87d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsvc.exe" 33033d3ad58d7ea7014df1ed01f3a87d.exe -
Processes:
33033d3ad58d7ea7014df1ed01f3a87d.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 33033d3ad58d7ea7014df1ed01f3a87d.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
33033d3ad58d7ea7014df1ed01f3a87d.exedescription pid process target process PID 1780 set thread context of 2016 1780 33033d3ad58d7ea7014df1ed01f3a87d.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe -
Drops file in Program Files directory 2 IoCs
Processes:
33033d3ad58d7ea7014df1ed01f3a87d.exedescription ioc process File created C:\Program Files (x86)\TCP Service\tcpsvc.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe File opened for modification C:\Program Files (x86)\TCP Service\tcpsvc.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
33033d3ad58d7ea7014df1ed01f3a87d.exepid process 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
33033d3ad58d7ea7014df1ed01f3a87d.exepid process 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
33033d3ad58d7ea7014df1ed01f3a87d.exedescription pid process Token: SeDebugPrivilege 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
33033d3ad58d7ea7014df1ed01f3a87d.exe33033d3ad58d7ea7014df1ed01f3a87d.exedescription pid process target process PID 1780 wrote to memory of 2016 1780 33033d3ad58d7ea7014df1ed01f3a87d.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe PID 1780 wrote to memory of 2016 1780 33033d3ad58d7ea7014df1ed01f3a87d.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe PID 1780 wrote to memory of 2016 1780 33033d3ad58d7ea7014df1ed01f3a87d.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe PID 1780 wrote to memory of 2016 1780 33033d3ad58d7ea7014df1ed01f3a87d.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe PID 1780 wrote to memory of 2016 1780 33033d3ad58d7ea7014df1ed01f3a87d.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe PID 1780 wrote to memory of 2016 1780 33033d3ad58d7ea7014df1ed01f3a87d.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe PID 1780 wrote to memory of 2016 1780 33033d3ad58d7ea7014df1ed01f3a87d.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe PID 1780 wrote to memory of 2016 1780 33033d3ad58d7ea7014df1ed01f3a87d.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe PID 1780 wrote to memory of 2016 1780 33033d3ad58d7ea7014df1ed01f3a87d.exe 33033d3ad58d7ea7014df1ed01f3a87d.exe PID 2016 wrote to memory of 900 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe schtasks.exe PID 2016 wrote to memory of 900 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe schtasks.exe PID 2016 wrote to memory of 900 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe schtasks.exe PID 2016 wrote to memory of 900 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe schtasks.exe PID 2016 wrote to memory of 1688 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe schtasks.exe PID 2016 wrote to memory of 1688 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe schtasks.exe PID 2016 wrote to memory of 1688 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe schtasks.exe PID 2016 wrote to memory of 1688 2016 33033d3ad58d7ea7014df1ed01f3a87d.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\33033d3ad58d7ea7014df1ed01f3a87d.exe"C:\Users\Admin\AppData\Local\Temp\33033d3ad58d7ea7014df1ed01f3a87d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1780 -
C:\Users\Admin\AppData\Local\Temp\33033d3ad58d7ea7014df1ed01f3a87d.exe"C:\Users\Admin\AppData\Local\Temp\33033d3ad58d7ea7014df1ed01f3a87d.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:2016 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD1F0.tmp"3⤵
- Creates scheduled task(s)
PID:900
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD377.tmp"3⤵
- Creates scheduled task(s)
PID:1688
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5821793d40de0973690ab1a011467bfd4
SHA1d76ebeadd3688c6edc48bf07c3a34a961b57ae92
SHA256d5685a775bab834f449da1d0ab79e51c1d084a593ce23eeb082bf9e1ebb0adff
SHA512108b991e027ec6799e18fcdf34961ac121e024d62ab96973e9b5465801951cac25a3706e0de811e391992ef4ea6505705fb71412954c3789c82c194842fac54f
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Filesize
1KB
MD59db6095f31f8b4ae8173fe11424a8dfe
SHA14b0655ae95def24a41710ca137649d93bfa49407
SHA2569911b4513e44521c90c020ddcddea1ddc58095055a72ec638b593bf9ee23aa72
SHA5125bee977264545a30a2d53e674f54a4066d4529dc9162d46911b9cac957052cdc1ea7c8d60f9c57d3f33db6cb964b1e6bb2347d0e0e2af0a32ac98938c02ffc1c