Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
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submitted
12-09-2022 08:03
General
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Target
8576609ec13f27b0481917747aaefbf3.exe
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Size
317KB
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MD5
8576609ec13f27b0481917747aaefbf3
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SHA1
d3c229e3f3c330d8f43c267852b6157cf0871cc3
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SHA256
da08e1b296f69bb0b0a8c04c134fe850783c092342da54a3fb28f2d55c6efcce
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SHA512
5df58994094fc0d5601bd87eadaa99010fb33e96ccc7ad7b4e01732a6565fe3f87c96bd658e3a40093e35b1b45ec3ef64c53a82c6a7ff744268d58da68abcabb
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SSDEEP
6144:DJ1Rp3Y2NFlrTUNJPfORc6P30tHOemJshORvOvkM0DwrTcs0iCQQmqECSS+:Nyy2PKHPeOemJpRM0DwrTcsm/3SS+
Malware Config
Extracted
nanocore
1.2.2.0
systen32.ddns.net:54980
office365update.duckdns.org:54980
41b88ccb-be7c-4bd4-ae12-8d3a967819f0
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activate_away_mode
true
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backup_connection_host
office365update.duckdns.org
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2018-09-17T20:29:45.244980036Z
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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
true
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connect_delay
4000
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connection_port
54980
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default_group
****|*****
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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
41b88ccb-be7c-4bd4-ae12-8d3a967819f0
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mutex_timeout
5000
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prevent_system_sleep
true
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primary_connection_host
systen32.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
-
timeout_interval
5000
-
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
NanoCore is a remote access tool (RAT) with a variety of capabilities.
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8576609ec13f27b0481917747aaefbf3.exe"C:\Users\Admin\AppData\Local\Temp\8576609ec13f27b0481917747aaefbf3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/812-64-0x000000000041E792-mapping.dmp
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memory/812-71-0x0000000074180000-0x000000007472B000-memory.dmpFilesize
5.7MB
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memory/812-74-0x0000000002236000-0x0000000002247000-memory.dmpFilesize
68KB
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memory/812-57-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/812-63-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/812-60-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/812-73-0x0000000074180000-0x000000007472B000-memory.dmpFilesize
5.7MB
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memory/812-61-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/812-58-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/812-66-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/812-72-0x0000000002236000-0x0000000002247000-memory.dmpFilesize
68KB
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memory/812-69-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1308-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmpFilesize
8KB
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memory/1308-68-0x0000000074180000-0x000000007472B000-memory.dmpFilesize
5.7MB
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memory/1308-55-0x0000000074180000-0x000000007472B000-memory.dmpFilesize
5.7MB
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memory/1308-56-0x0000000074180000-0x000000007472B000-memory.dmpFilesize
5.7MB