Behavioral task
behavioral1
Sample
a4f65af28635318159f9cf30a65fa800.exe
Resource
win7-20230220-en
General
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Target
a4f65af28635318159f9cf30a65fa800.exe
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Size
202KB
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MD5
a4f65af28635318159f9cf30a65fa800
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SHA1
0f965cd80fbefb12d5f04e78e93ee37f51466d73
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SHA256
a066c15490cf2a08af42f507381d6774e6de4650ba2b11c0880aff2b118b1cb9
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SHA512
783b21a3f6021ea6e6dc194c3ddeeb452adfa8103dd70d7bf729351c1085f5957a72f7e3755a0edd094458a60ca8b5af1e8fa02559075d7f38da0bec3eb6f927
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SSDEEP
6144:gLV6Bta6dtJmakIM5qlWUu5LYkO0TrWSM:gLV6BtpmktlM5LYkO0TKB
Malware Config
Extracted
nanocore
1.2.2.0
2.tcp.ngrok.io:13025
63eaa790-63cf-469c-8f4f-fb66bfa3ed35
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activate_away_mode
true
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backup_connection_host
2.tcp.ngrok.io
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2023-02-15T15:17:03.380034036Z
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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
13025
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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
63eaa790-63cf-469c-8f4f-fb66bfa3ed35
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
2.tcp.ngrok.io
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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
Signatures
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Nanocore family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a4f65af28635318159f9cf30a65fa800.exe
Files
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a4f65af28635318159f9cf30a65fa800.exe.exe windows 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