General
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Target
A1DB2JVWGG.CNT.exe
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Size
2.1MB
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Sample
230602-aq6y7aha97
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MD5
a7817732eded62797b0c5e9da109edd7
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SHA1
e7e868e8a529cdd6bd32b4fa3711eff0c9029dbb
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SHA256
95969e3e0c1793e6177d5c5d20c9a667c9f28bb64907ad489682c41668efc29d
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SHA512
3664953e0e5c601e8d8123c0b9f3f43d727bf6f48f81a93fed051d6f0d275728ceda92ecef201e4cdceac29c17ce66b46820a43a6dac9fd4b77b6d54f226db01
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SSDEEP
24576:tA74/4qimDN0nixgBQcZ+WtGsK0i+CqBRCJcbpaa4S7qeL7pjhlyIy6Vs6wGpYUa:tA74/t6FQcZ+WRs+BRL4ShjTyIF
Static task
static1
Behavioral task
behavioral1
Sample
A1DB2JVWGG.CNT.exe
Resource
win7-20230220-en
Malware Config
Extracted
darkcomet
JUNE 2023
timmy08.ddns.net:39399
DC_MUTEX-75NC51J
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InstallPath
MSDCSC\msdcsc.exe
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gencode
l2V3BCJaaFmA
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
chrome
Extracted
nanocore
1.2.2.0
timmy08.ddns.net:28289
timmy06.ddns.net:28289
29684d78-e3d5-43d3-a123-9a499c3134c7
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activate_away_mode
true
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backup_connection_host
timmy06.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
2023-03-13T20:49:24.260578036Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
false
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
28289
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default_group
JUNE 2023
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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
29684d78-e3d5-43d3-a123-9a499c3134c7
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
timmy08.ddns.net
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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
A1DB2JVWGG.CNT.exe
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Size
2.1MB
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MD5
a7817732eded62797b0c5e9da109edd7
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SHA1
e7e868e8a529cdd6bd32b4fa3711eff0c9029dbb
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SHA256
95969e3e0c1793e6177d5c5d20c9a667c9f28bb64907ad489682c41668efc29d
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SHA512
3664953e0e5c601e8d8123c0b9f3f43d727bf6f48f81a93fed051d6f0d275728ceda92ecef201e4cdceac29c17ce66b46820a43a6dac9fd4b77b6d54f226db01
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SSDEEP
24576:tA74/4qimDN0nixgBQcZ+WtGsK0i+CqBRCJcbpaa4S7qeL7pjhlyIy6Vs6wGpYUa:tA74/t6FQcZ+WRs+BRL4ShjTyIF
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Modifies WinLogon for persistence
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Modifies security service
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Disables Task Manager via registry modification
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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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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