General
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Target
https://cdn-1.rjmanhasyt.repl.co/d.exe
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Sample
221121-lh1b8adc26
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://cdn-1.rjmanhasyt.repl.co/d.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
nanocore
1.2.2.0
rage.hopto.org:54984
127.0.0.1:54984
dfe68b44-79da-4104-ac41-8e6033529204
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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
2022-09-02T04:57:53.378333036Z
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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
54984
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default_group
Default
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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
dfe68b44-79da-4104-ac41-8e6033529204
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
rage.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
4998
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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
4984
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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
asyncrat
1.0.7
Default
127.0.0.1:8848
DcRatMutex_qwqdanchun
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delay
1
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install
false
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install_folder
%AppData%
Targets
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Target
https://cdn-1.rjmanhasyt.repl.co/d.exe
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Async RAT payload
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Downloads MZ/PE file
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Executes dropped EXE
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Adds Run key to start application
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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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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