General
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Target
87e149554a65adc329a3a29376224623_JaffaCakes118
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Size
211KB
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Sample
240531-wtfr3ahb33
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MD5
87e149554a65adc329a3a29376224623
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SHA1
28b78a4460e6e345c2e1a5d15f1cac53b1041da1
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SHA256
70b89cc9b030d9f21b278edda0277a9ed5d7956df026b4a407e94423198549f5
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SHA512
034bfa9341f389c93e48690f946eac1396371060ea217e2d84fa7abe3c8dba6af1136d4ca24819e0866c384a9a30d09d763969eef148d0d5143260540efb72bf
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SSDEEP
6144:Oi/28+VpiXEC1E8wfrDfhzWA87phKMbOb:O028OdGSDfhtSTab
Behavioral task
behavioral1
Sample
bypassdev.exe
Resource
win7-20231129-en
Malware Config
Extracted
nanocore
1.2.2.0
gayagoris.ddns.net:7005
444ca634-7148-4ffa-81b4-5959bb4b4e5e
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activate_away_mode
true
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backup_connection_host
gayagoris.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
2019-08-05T00:46:31.519038936Z
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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
7005
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default_group
Default
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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
444ca634-7148-4ffa-81b4-5959bb4b4e5e
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
gayagoris.ddns.net
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primary_dns_server
8.8.8.8
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request_elevation
false
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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
false
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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
Targets
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Target
bypassdev.exe
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Size
410KB
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MD5
201787cd33e5530811265cd836d32d34
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SHA1
5b3cac1e442996911acc2061b1c5ac54e5912aac
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SHA256
bca6e27840de5c2375667cd775b9d02851229cdd60916770991acfd0ad37d62a
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SHA512
2df1840ee6453dc458e20f4446a60cc3484d7c9ab6a9f8a227968f43f8b16d45215a87e66b1c93ce11995f267e70daadf720bc95b46c45e1de0d6426198bb8e4
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SSDEEP
6144:avEN2U+T6i5LirrllHy4HUcMQY6rLV6Bta6dtJmakIM5/tfqlGgBFUZZPiAE:EENN+T5xYrllrU7QY6rLV6BtpmkaJmEE
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Modifies WinLogon for persistence
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Modifies visiblity of hidden/system files in Explorer
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Modifies Installed Components in the registry
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Scheduled Task/Job
1