General
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Target
62b7c0ecb47b68b05081628459e105cc.exe
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Size
936KB
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Sample
221203-fre5rabd4v
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MD5
62b7c0ecb47b68b05081628459e105cc
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SHA1
9283a86f76ec327345ff66d2ff624fa8c17d5381
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SHA256
1abcc38e288d1e4c36001ae4ee4373d0dfaf32d4feb0710a25ad3c281b6eeaf5
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SHA512
8f1a61fb4030ef6bf5b40654f4b33204aee6b2cd2abeb2301643886e88da1d00378248d25aeb9736bc7caa25f37d7f117cbb78f8a0e17a1fff2cbd54fe7a1d5e
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SSDEEP
24576:LAOcZXMul6lFaXuuwHi4QYlfC3+speeCjV/YYPhrHGc:NHDj+IC3RhYHGc
Static task
static1
Behavioral task
behavioral1
Sample
62b7c0ecb47b68b05081628459e105cc.exe
Resource
win7-20220812-en
Malware Config
Extracted
asyncrat
0.5.7B
Default
mansengco778.ddns.net:8647
newcracker.duckdns.org:8647
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Extracted
nanocore
1.2.2.0
newcracker.duckdns.org:19864
mansengco778.ddns.net:19864
af7ab3a5-3940-4631-93eb-015f0c04e244
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activate_away_mode
true
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backup_connection_host
mansengco778.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
2022-04-16T10:24:40.846059536Z
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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
19864
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default_group
ARK FOR GOd
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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
af7ab3a5-3940-4631-93eb-015f0c04e244
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
newcracker.duckdns.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
-
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Target
62b7c0ecb47b68b05081628459e105cc.exe
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Size
936KB
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MD5
62b7c0ecb47b68b05081628459e105cc
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SHA1
9283a86f76ec327345ff66d2ff624fa8c17d5381
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SHA256
1abcc38e288d1e4c36001ae4ee4373d0dfaf32d4feb0710a25ad3c281b6eeaf5
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SHA512
8f1a61fb4030ef6bf5b40654f4b33204aee6b2cd2abeb2301643886e88da1d00378248d25aeb9736bc7caa25f37d7f117cbb78f8a0e17a1fff2cbd54fe7a1d5e
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SSDEEP
24576:LAOcZXMul6lFaXuuwHi4QYlfC3+speeCjV/YYPhrHGc:NHDj+IC3RhYHGc
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Async RAT payload
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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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Suspicious use of SetThreadContext
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