Behavioral task
behavioral1
Sample
SetupInstaller.exe
Resource
win7-20230220-en
General
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Target
SetupInstaller.exe
-
Size
203KB
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MD5
45e90d40743de83882bd44ef2a9e81f1
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SHA1
2d542c91b72c7cb98b935fc218f20d937a295232
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SHA256
9405d938914bc1de8fe00f714dafa41d6b33e6e61c3993223408bfd323c32458
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SHA512
10a1a7f420c0b99b66995536798dcbe8aa9522cd28069a9fcdda91096cc5e9d5e29db5082e832e03a58a4cc718ecd250b34994656b6cb550e02c42f4726da20f
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SSDEEP
3072:AzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIDJRHjbW9ovKdkXvnkpDggMhKB:ALV6Bta6dtJmakIM5OBTK+nI2ja84
Malware Config
Extracted
nanocore
1.2.2.0
oplm.ddns.net:54984
127.0.0.1:54984
41bcdbf6-bb80-4abb-a2ae-7b72a9f6a349
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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
2023-02-16T13:23:01.490854736Z
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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
54984
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default_group
Aie
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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
41bcdbf6-bb80-4abb-a2ae-7b72a9f6a349
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
oplm.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
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 SetupInstaller.exe
Files
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SetupInstaller.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: 88KB - Virtual size: 87KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ