General
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Target
invoice554684093903ye74674.exe
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Size
214KB
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Sample
220921-scqn6acbck
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MD5
7658e4288d97431e0b22ee17ce907162
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SHA1
2a7b17759b037e3cd4799f9bdb099256197b94d1
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SHA256
4ed20217d84f7055b14abf31f97802c5f97b304b147f4d4132c0c1be177e3ff0
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SHA512
51553c9b0d335c9a7a9591bc29c4171549405f011b8b9f8663b00e97d832685c1153bc69443eeb3c7ab598d0f8d3e4ac8f60dad10a8e5f7e4a15947502bafc00
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SSDEEP
3072:P8oVzkyxfZoB5aDx+Y6HRUHmzhxlI35MNzFNub2h/DWih/H3GR:P8A4HvIdHehj7ubg/Phf3
Static task
static1
Behavioral task
behavioral1
Sample
invoice554684093903ye74674.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
invoice554684093903ye74674.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
quasar
1.3.0.0
Godbless my Hustle
mill.hopto.org:7773
QSR_MUTEX_IYpAlOHqocnX5nf6J7
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encryption_key
4AVo5Pq15qMZSQfQWCXf
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install_name
Client.exe
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log_directory
Ll
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reconnect_delay
123
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startup_key
str
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subdirectory
SubDir
Extracted
nanocore
1.2.2.0
mill.hopto.org:4489
127.0.0.1:4489
f26f6140-1dcf-4d19-b29d-e8b4eda43999
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activate_away_mode
true
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backup_connection_host
127.0.0.1
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2022-07-03T15:17:26.062415736Z
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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
4489
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default_group
Heavenly
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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
f26f6140-1dcf-4d19-b29d-e8b4eda43999
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
mill.hopto.org
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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
-
-
Target
invoice554684093903ye74674.exe
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Size
214KB
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MD5
7658e4288d97431e0b22ee17ce907162
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SHA1
2a7b17759b037e3cd4799f9bdb099256197b94d1
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SHA256
4ed20217d84f7055b14abf31f97802c5f97b304b147f4d4132c0c1be177e3ff0
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SHA512
51553c9b0d335c9a7a9591bc29c4171549405f011b8b9f8663b00e97d832685c1153bc69443eeb3c7ab598d0f8d3e4ac8f60dad10a8e5f7e4a15947502bafc00
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SSDEEP
3072:P8oVzkyxfZoB5aDx+Y6HRUHmzhxlI35MNzFNub2h/DWih/H3GR:P8A4HvIdHehj7ubg/Phf3
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Quasar payload
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Downloads MZ/PE file
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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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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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