General
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Target
2d0123d9e43747d6f06e97d4d6b36442_JaffaCakes118
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Size
252KB
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Sample
240510-dfct5seh9t
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MD5
2d0123d9e43747d6f06e97d4d6b36442
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SHA1
4541da18ba678f664b05a0c9a56036c995575647
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SHA256
89ac7ff2df4d1fe35fc7e54a75b7acea4887f14e6e829fb6eb1fbb3a30a86497
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SHA512
d223f46e82044a9d02e50a68ff3f405a923fca12cb1e5c0a2b753c9054e6295d67e413ecf304af757dd464f7feaabde54bafd4fbdb3df0be4b8fd0a5f449179a
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SSDEEP
6144:RtRRRCnYj/BR5/Jx/AiU7dJFi1wL5SToC0YekoC9hz83Q9aW:RtRRnxgiEg2VDe9u3Q9x
Static task
static1
Behavioral task
behavioral1
Sample
Contract Letter.scr
Resource
win7-20240215-en
Malware Config
Extracted
nanocore
1.2.2.0
154.16.63.185:7000
d11442f0-3ee6-4300-983e-c8ee31789ed3
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activate_away_mode
true
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backup_connection_host
154.16.63.185
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2017-12-10T15:03:12.683218336Z
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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
7000
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default_group
2018
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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
d11442f0-3ee6-4300-983e-c8ee31789ed3
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
154.16.63.185
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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
Contract Letter.scr
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Size
293KB
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MD5
d14f5239a9832ec10001d6aac226e3d4
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SHA1
09455e731bf58a02afee44fbdda3a231ba3f244f
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SHA256
8140df9a982cce60568d90f9beade94609ea35e51e8386fd0328c3cb0af2bf76
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SHA512
755471f8ad87e82d69545328176eeaf10e912c6f136ba1b326165704046daf4f7378efd889c57d26d1c03b0f61473fca315884215dd11e9dbb59f9186ce5f80f
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SSDEEP
6144:DkTR3tpkfqvHm7NB208YdabnINZUQVxR4SHKPNG+P8PrnC:4TRPYyHC987biUQ/RviG+0zn
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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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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