General
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Target
357fd1a00c2f8dd56bdcff21a3eeb2d37f38b7c1e3dab18dc80d7962569ec97f
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Size
1.2MB
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Sample
221128-wjw2asdh68
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MD5
9ea94e6de35b9dcfacfea2139289617c
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SHA1
4fa4c36845256a206a61b59b8106aa3f0d7a6b7a
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SHA256
357fd1a00c2f8dd56bdcff21a3eeb2d37f38b7c1e3dab18dc80d7962569ec97f
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SHA512
c32ecdae46a9114a6e9dd6f02c092b04f44aca42d19a085cf157d1d1666041aa7c027f1df42b6e35ca1328efefd6951d607447619e89a993153ef0c35170488f
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SSDEEP
24576:Iumi5xwefClMfhmcStJcyEGKKZEhNqBEV3C9RG4X6or:d1fVfcNc0KPhNwEd8RG4XBr
Static task
static1
Behavioral task
behavioral1
Sample
357fd1a00c2f8dd56bdcff21a3eeb2d37f38b7c1e3dab18dc80d7962569ec97f.exe
Resource
win7-20220812-en
Malware Config
Extracted
nanocore
1.2.2.0
krieten.zapto.org:56702
127.0.0.1:56702
72085997-76b8-4d60-82e2-47139dff7845
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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
2014-12-11T16:22:47.385658436Z
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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
56702
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default_group
Gruppe8
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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
72085997-76b8-4d60-82e2-47139dff7845
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
krieten.zapto.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
true
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set_critical_process
true
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timeout_interval
19994
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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
357fd1a00c2f8dd56bdcff21a3eeb2d37f38b7c1e3dab18dc80d7962569ec97f
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Size
1.2MB
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MD5
9ea94e6de35b9dcfacfea2139289617c
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SHA1
4fa4c36845256a206a61b59b8106aa3f0d7a6b7a
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SHA256
357fd1a00c2f8dd56bdcff21a3eeb2d37f38b7c1e3dab18dc80d7962569ec97f
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SHA512
c32ecdae46a9114a6e9dd6f02c092b04f44aca42d19a085cf157d1d1666041aa7c027f1df42b6e35ca1328efefd6951d607447619e89a993153ef0c35170488f
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SSDEEP
24576:Iumi5xwefClMfhmcStJcyEGKKZEhNqBEV3C9RG4X6or:d1fVfcNc0KPhNwEd8RG4XBr
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Modifies WinLogon for persistence
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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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Suspicious use of SetThreadContext
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