General
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Target
75fc4bd3b1f1d99b1f6ed722a1336296.exe
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Size
1.8MB
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Sample
210131-d4t6qr2v56
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MD5
75fc4bd3b1f1d99b1f6ed722a1336296
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SHA1
0a37747013749af59be5767ecbffd1bf4a683b65
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SHA256
208caf830ee7e21732543dd4440d9908de1354ffc57e246339a9660c7609ce6f
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SHA512
351601b675388977066fac3f8cd790fa64fd6d29922a49a76431a08d5ac82c5590e8b3417633942ee36a37986ad99b9836d4ebeb7c09a4bfe9f7942c025c1722
Malware Config
Extracted
nanocore
1.2.2.0
dmjncbzvayuywqalponmcbvzcxhyuesgfhdnautwm.ydns.eu:2420
9a83c6a0-5b64-416c-b0dc-d47048e32edf
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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
2020-11-08T01:17:30.860776436Z
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bypass_user_account_control
false
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bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
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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
2420
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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
9a83c6a0-5b64-416c-b0dc-d47048e32edf
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
dmjncbzvayuywqalponmcbvzcxhyuesgfhdnautwm.ydns.eu
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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
75fc4bd3b1f1d99b1f6ed722a1336296.exe
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Size
1.8MB
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MD5
75fc4bd3b1f1d99b1f6ed722a1336296
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SHA1
0a37747013749af59be5767ecbffd1bf4a683b65
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SHA256
208caf830ee7e21732543dd4440d9908de1354ffc57e246339a9660c7609ce6f
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SHA512
351601b675388977066fac3f8cd790fa64fd6d29922a49a76431a08d5ac82c5590e8b3417633942ee36a37986ad99b9836d4ebeb7c09a4bfe9f7942c025c1722
Score10/10-
NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
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Adds Run key to start application
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Checks whether UAC is enabled
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Enumerates physical storage devices
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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