Analysis
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max time kernel
148s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01-12-2022 15:45
Static task
static1
Behavioral task
behavioral1
Sample
0a0671ce1039d895af0984a16b1f54ee.exe
Resource
win7-20220812-en
General
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Target
0a0671ce1039d895af0984a16b1f54ee.exe
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Size
809KB
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MD5
0a0671ce1039d895af0984a16b1f54ee
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SHA1
b85f0fcd100cda02d076f99b178d5c7546aacdbd
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SHA256
ccbaf764d75b62d77aaa93db6a20926161eba9762d398a53e3bebb007443edba
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SHA512
2a59aee635ff0353c86c6cba6f308844d669f9d576ad7d509ea17604e6b802e7ee4c13d028314b6011216027f09d2cce4482f4b075e8512a7de78936ecbb8825
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SSDEEP
12288:tOvuqJwk3uG9JwObO+92SmULZuZMh1AOn6PK7l9lLAgNB:TqJwk3uWlb/2UL0ZMh1A5PK7lHLA0
Malware Config
Extracted
nanocore
1.2.2.0
tzitziklishop.ddns.net:1665
127.0.0.1:1665
54c43eb3-9a5e-48cf-bbb9-9a65e46643a1
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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
2022-09-09T09:23:36.606577636Z
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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
NOV282022
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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
54c43eb3-9a5e-48cf-bbb9-9a65e46643a1
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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:
0a0671ce1039d895af0984a16b1f54ee.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe" 0a0671ce1039d895af0984a16b1f54ee.exe -
Processes:
0a0671ce1039d895af0984a16b1f54ee.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 0a0671ce1039d895af0984a16b1f54ee.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
0a0671ce1039d895af0984a16b1f54ee.exedescription pid process target process PID 1344 set thread context of 1788 1344 0a0671ce1039d895af0984a16b1f54ee.exe 0a0671ce1039d895af0984a16b1f54ee.exe -
Drops file in Program Files directory 2 IoCs
Processes:
0a0671ce1039d895af0984a16b1f54ee.exedescription ioc process File created C:\Program Files (x86)\UDP Service\udpsv.exe 0a0671ce1039d895af0984a16b1f54ee.exe File opened for modification C:\Program Files (x86)\UDP Service\udpsv.exe 0a0671ce1039d895af0984a16b1f54ee.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 1124 schtasks.exe 1044 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
0a0671ce1039d895af0984a16b1f54ee.exepid process 1788 0a0671ce1039d895af0984a16b1f54ee.exe 1788 0a0671ce1039d895af0984a16b1f54ee.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
0a0671ce1039d895af0984a16b1f54ee.exedescription pid process Token: SeDebugPrivilege 1788 0a0671ce1039d895af0984a16b1f54ee.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
0a0671ce1039d895af0984a16b1f54ee.exe0a0671ce1039d895af0984a16b1f54ee.exedescription pid process target process PID 1344 wrote to memory of 1788 1344 0a0671ce1039d895af0984a16b1f54ee.exe 0a0671ce1039d895af0984a16b1f54ee.exe PID 1344 wrote to memory of 1788 1344 0a0671ce1039d895af0984a16b1f54ee.exe 0a0671ce1039d895af0984a16b1f54ee.exe PID 1344 wrote to memory of 1788 1344 0a0671ce1039d895af0984a16b1f54ee.exe 0a0671ce1039d895af0984a16b1f54ee.exe PID 1344 wrote to memory of 1788 1344 0a0671ce1039d895af0984a16b1f54ee.exe 0a0671ce1039d895af0984a16b1f54ee.exe PID 1344 wrote to memory of 1788 1344 0a0671ce1039d895af0984a16b1f54ee.exe 0a0671ce1039d895af0984a16b1f54ee.exe PID 1344 wrote to memory of 1788 1344 0a0671ce1039d895af0984a16b1f54ee.exe 0a0671ce1039d895af0984a16b1f54ee.exe PID 1344 wrote to memory of 1788 1344 0a0671ce1039d895af0984a16b1f54ee.exe 0a0671ce1039d895af0984a16b1f54ee.exe PID 1344 wrote to memory of 1788 1344 0a0671ce1039d895af0984a16b1f54ee.exe 0a0671ce1039d895af0984a16b1f54ee.exe PID 1344 wrote to memory of 1788 1344 0a0671ce1039d895af0984a16b1f54ee.exe 0a0671ce1039d895af0984a16b1f54ee.exe PID 1788 wrote to memory of 1124 1788 0a0671ce1039d895af0984a16b1f54ee.exe schtasks.exe PID 1788 wrote to memory of 1124 1788 0a0671ce1039d895af0984a16b1f54ee.exe schtasks.exe PID 1788 wrote to memory of 1124 1788 0a0671ce1039d895af0984a16b1f54ee.exe schtasks.exe PID 1788 wrote to memory of 1124 1788 0a0671ce1039d895af0984a16b1f54ee.exe schtasks.exe PID 1788 wrote to memory of 1044 1788 0a0671ce1039d895af0984a16b1f54ee.exe schtasks.exe PID 1788 wrote to memory of 1044 1788 0a0671ce1039d895af0984a16b1f54ee.exe schtasks.exe PID 1788 wrote to memory of 1044 1788 0a0671ce1039d895af0984a16b1f54ee.exe schtasks.exe PID 1788 wrote to memory of 1044 1788 0a0671ce1039d895af0984a16b1f54ee.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0a0671ce1039d895af0984a16b1f54ee.exe"C:\Users\Admin\AppData\Local\Temp\0a0671ce1039d895af0984a16b1f54ee.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\0a0671ce1039d895af0984a16b1f54ee.exe"C:\Users\Admin\AppData\Local\Temp\0a0671ce1039d895af0984a16b1f54ee.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
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5F50.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6173.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\tmp5F50.tmpFilesize
1KB
MD59ec73cb1a4bc5bb187faf1db725066e8
SHA10a0699887a8b72e369093640140697e42977ea5a
SHA256be3ea046edb1cec6c8dc8302087eeaf684212c5fcb8546d5bf247ce75644b828
SHA512b340640887d46fac1f1f61f1f7a146095d22ffe98f3ce9adf7e67441fe377f2176d63d08826eed2d21ae0d7f1d7eab93eab7f4c06a7baf8f01eef97f8ed2767b
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C:\Users\Admin\AppData\Local\Temp\tmp6173.tmpFilesize
1KB
MD50a24db62cb5b84309c4803346caaa25d
SHA167660778f61bb44168c33ed3fe56ed86cf9583e8
SHA25638d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df
SHA512d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548
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memory/1044-75-0x0000000000000000-mapping.dmp
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memory/1124-73-0x0000000000000000-mapping.dmp
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memory/1344-59-0x0000000005270000-0x00000000052D0000-memory.dmpFilesize
384KB
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memory/1344-58-0x00000000051D0000-0x000000000526A000-memory.dmpFilesize
616KB
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memory/1344-55-0x0000000074F41000-0x0000000074F43000-memory.dmpFilesize
8KB
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memory/1344-56-0x0000000000540000-0x0000000000556000-memory.dmpFilesize
88KB
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memory/1344-57-0x00000000007A0000-0x00000000007AE000-memory.dmpFilesize
56KB
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memory/1344-54-0x00000000002D0000-0x00000000003A0000-memory.dmpFilesize
832KB
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memory/1788-64-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1788-67-0x000000000041E792-mapping.dmp
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memory/1788-69-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1788-71-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1788-63-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1788-66-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1788-61-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1788-60-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1788-77-0x0000000000450000-0x000000000045A000-memory.dmpFilesize
40KB
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memory/1788-78-0x0000000000690000-0x00000000006AE000-memory.dmpFilesize
120KB
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memory/1788-79-0x0000000000460000-0x000000000046A000-memory.dmpFilesize
40KB