General
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Target
0cf94bdd82505c2a44db76657c22ebb4adcf8f2af8d6d45e3cd40d3a24a1553c
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Size
1.5MB
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Sample
221126-hvbb3sah32
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MD5
964c84f32466476439271e924ce75a99
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SHA1
fb0c89bdd9b089a44a700713987e968482df52ab
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SHA256
0cf94bdd82505c2a44db76657c22ebb4adcf8f2af8d6d45e3cd40d3a24a1553c
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SHA512
35c37127a6cb89f5ffa4cf5e1fc94297afc3c3bac667c29e9a590acd5fb7d996e3f64900f613983176e1b9d53474006178734a3c8890611b4e6c4555604eeb54
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SSDEEP
24576:2sdcxIBnQop1p9LLv//2ikv//2ikv//2i:ByIBnQop1XLv//nkv//nkv//n
Static task
static1
Behavioral task
behavioral1
Sample
0cf94bdd82505c2a44db76657c22ebb4adcf8f2af8d6d45e3cd40d3a24a1553c.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
0cf94bdd82505c2a44db76657c22ebb4adcf8f2af8d6d45e3cd40d3a24a1553c.exe
Resource
win10v2004-20220901-en
Malware Config
Extracted
nanocore
1.2.1.1
87.231.21.54:4242
192.168.0.18:4242
70d1bdbc-d559-46a9-a994-a1e7a53d8c61
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activate_away_mode
true
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backup_connection_host
192.168.0.18
- backup_dns_server
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buffer_size
65535
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build_time
2014-11-02T12:11:01.523613836Z
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bypass_user_account_control
true
- 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
4242
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default_group
Bought
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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
70d1bdbc-d559-46a9-a994-a1e7a53d8c61
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
87.231.21.54
- primary_dns_server
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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
true
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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
1.2.1.1
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wan_timeout
8000
Targets
-
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Target
0cf94bdd82505c2a44db76657c22ebb4adcf8f2af8d6d45e3cd40d3a24a1553c
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Size
1.5MB
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MD5
964c84f32466476439271e924ce75a99
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SHA1
fb0c89bdd9b089a44a700713987e968482df52ab
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SHA256
0cf94bdd82505c2a44db76657c22ebb4adcf8f2af8d6d45e3cd40d3a24a1553c
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SHA512
35c37127a6cb89f5ffa4cf5e1fc94297afc3c3bac667c29e9a590acd5fb7d996e3f64900f613983176e1b9d53474006178734a3c8890611b4e6c4555604eeb54
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SSDEEP
24576:2sdcxIBnQop1p9LLv//2ikv//2ikv//2i:ByIBnQop1XLv//nkv//nkv//n
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Modifies WinLogon for persistence
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Suspicious use of SetThreadContext
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