General
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Target
ef551ecec43d5abb40d481a7b6f23149_JaffaCakes118
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Size
426KB
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Sample
241214-sc86havrhz
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MD5
ef551ecec43d5abb40d481a7b6f23149
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SHA1
6e5581fdccb6139af704acc0d383237895ad1e64
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SHA256
9b3a42a3d98ada308d0c87ba8c43566e3ca4862746b134366bbcbe13cebc5e64
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SHA512
81efbe28fe0a05af8a16f639e4f7439957e8af9b2b2fe7a9790ba7cd005c3053517b1c760b4a61f23644ecd9375a708454f8b75bf54305908adbcb1bea36fb36
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SSDEEP
6144:c4GfdLPZf81HNzd5ST2VY+EW7WUd/7aJp2zy3U/1FMSwKY+gWF3XYT7:RGfxxk1VHS4WUdMEACZXYH
Static task
static1
Behavioral task
behavioral1
Sample
ef551ecec43d5abb40d481a7b6f23149_JaffaCakes118.exe
Resource
win7-20240708-en
Malware Config
Extracted
nanocore
1.2.2.0
starlucky.dynu.net:1122
98c0e5fc-6e0a-44bd-bd0f-1b99b4d32659
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activate_away_mode
true
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backup_connection_host
starlucky.dynu.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
2018-12-10T12:50:09.746008936Z
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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
1122
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default_group
HACK
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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
98c0e5fc-6e0a-44bd-bd0f-1b99b4d32659
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
starlucky.dynu.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
Targets
-
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Target
ef551ecec43d5abb40d481a7b6f23149_JaffaCakes118
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Size
426KB
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MD5
ef551ecec43d5abb40d481a7b6f23149
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SHA1
6e5581fdccb6139af704acc0d383237895ad1e64
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SHA256
9b3a42a3d98ada308d0c87ba8c43566e3ca4862746b134366bbcbe13cebc5e64
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SHA512
81efbe28fe0a05af8a16f639e4f7439957e8af9b2b2fe7a9790ba7cd005c3053517b1c760b4a61f23644ecd9375a708454f8b75bf54305908adbcb1bea36fb36
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SSDEEP
6144:c4GfdLPZf81HNzd5ST2VY+EW7WUd/7aJp2zy3U/1FMSwKY+gWF3XYT7:RGfxxk1VHS4WUdMEACZXYH
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Nanocore family
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1