Behavioral task
behavioral1
Sample
DiscordNSR.exe
Resource
win7-20240215-en
General
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Target
DiscordNSR.exe
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Size
202KB
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MD5
dce58e168f842bfbfbe6d26aa60b2781
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SHA1
ee971a8adf441ed47dbcbe636fc2eed58e832145
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SHA256
e3dd4a2c939abd57b170c6c60bca32b5c2676810111b97d0e7dcb94cf5fe05a1
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SHA512
d54bb1653d72edc32201311fc4a3be2d0755e1961688325912fd402caeeac3ddd5072299e4131eb8176160a95b938ee7f3506817bb4fd8762108725010a9d410
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SSDEEP
6144:gLV6Bta6dtJmakIM5p06EzFNGW6/263FOhe:gLV6BtpmkOae92u7
Malware Config
Extracted
nanocore
1.2.2.0
58.110.150.107:1337
127.0.0.1:1337
6d4fe261-2f4b-485a-9a51-5e3b781fd10e
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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
2022-01-10T13:47:07.773121036Z
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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
1337
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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
6d4fe261-2f4b-485a-9a51-5e3b781fd10e
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
58.110.150.107
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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
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
Signatures
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Nanocore family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource DiscordNSR.exe
Files
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DiscordNSR.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 114KB - Virtual size: 113KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rsrc Size: 87KB - Virtual size: 87KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ