General
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Target
954d2c18ef0e7d5dbbded7e1a565e6eeb9007347ab22a1448000363d2269fb8a
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Size
2.1MB
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Sample
221110-syy8esahf2
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MD5
3ea3298d807b865a2efd07a9fb0f3d3b
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SHA1
6f5fe17c8077679be4c5f0f03e4565dc981e6ae5
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SHA256
954d2c18ef0e7d5dbbded7e1a565e6eeb9007347ab22a1448000363d2269fb8a
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SHA512
728eecbd2f4c47cfcc5fd82dc3673fd3a965e76212233ea2228285100fb2c680d4269b70e7ccc03eb54d532512fbc97edc232aeed80b39d7a657b0c1ac935aa4
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SSDEEP
49152:prY2CCChx9+7Wll5qqTg0lvgtsfzdj2RJhrdQ:prYiAx9Rll53TgIH7dj25hQ
Static task
static1
Behavioral task
behavioral1
Sample
954d2c18ef0e7d5dbbded7e1a565e6eeb9007347ab22a1448000363d2269fb8a.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
954d2c18ef0e7d5dbbded7e1a565e6eeb9007347ab22a1448000363d2269fb8a.exe
Resource
win10v2004-20220901-en
Malware Config
Extracted
nanocore
1.2.2.0
rze6.sytes.net:8000
0aeffa29-f3e3-4c27-b5c4-5ee7e27a451f
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activate_away_mode
true
- backup_connection_host
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2022-07-19T10:27:50.574421636Z
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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
8000
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default_group
OCT
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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
0aeffa29-f3e3-4c27-b5c4-5ee7e27a451f
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
rze6.sytes.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
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
1.2.2.0
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wan_timeout
8000
Extracted
agenttesla
http://195.178.120.72/3ip/inc/523ecb38582a9c.php
Targets
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Target
954d2c18ef0e7d5dbbded7e1a565e6eeb9007347ab22a1448000363d2269fb8a
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Size
2.1MB
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MD5
3ea3298d807b865a2efd07a9fb0f3d3b
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SHA1
6f5fe17c8077679be4c5f0f03e4565dc981e6ae5
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SHA256
954d2c18ef0e7d5dbbded7e1a565e6eeb9007347ab22a1448000363d2269fb8a
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SHA512
728eecbd2f4c47cfcc5fd82dc3673fd3a965e76212233ea2228285100fb2c680d4269b70e7ccc03eb54d532512fbc97edc232aeed80b39d7a657b0c1ac935aa4
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SSDEEP
49152:prY2CCChx9+7Wll5qqTg0lvgtsfzdj2RJhrdQ:prYiAx9Rll53TgIH7dj25hQ
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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Drops startup file
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Suspicious use of SetThreadContext
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