Analysis
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max time kernel
75s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
18-10-2022 06:14
General
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Target
SecuriteInfo.com.Win32.PWSX-gen.19654.11417.exe
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Size
632KB
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MD5
506529180e13f7adede06a38a6d7ddd8
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SHA1
33877d35c2f91d07501cdd6e32e5149740c082ef
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SHA256
f2d01738489cb69458555f6fe64ba65e0ed7fe444f2eb04ad71c968ded40d48c
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SHA512
655c46652f9dd2de5270198c775114e82b696a365a40d2bb63ff73e038dba2d13493a21ad75dd7bfe34cae47320475bee8103f843c4699ba93efd76354251533
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SSDEEP
12288:g8T9qM2kUzgBURLVdUVp8RxMCGsuHbSk2FtSpl0RMbRKs63e0:NR17BUBVdS0xMCGR7Sk2FoeRMdg3x
Malware Config
Extracted
nanocore
1.2.2.0
brewsterchristophe.ddns.net:5899
194,147,5,75:5899
b8aebc29-8c64-444f-99e6-dc4122e9bbfc
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activate_away_mode
true
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backup_connection_host
194,147,5,75
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2022-04-29T03:26:40.572298236Z
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bypass_user_account_control
false
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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
5899
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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
b8aebc29-8c64-444f-99e6-dc4122e9bbfc
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
brewsterchristophe.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
Signatures
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NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Drops file in Program Files directory 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19654.11417.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19654.11417.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PwaOdiiqQqsWYt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6CD7.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19654.11417.exe"{path}"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp70AE.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp716A.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD56057ee250f0de390402ad98aee2f53d3
SHA1ba5dc2bde6e1e4e54d0b5388ccdd83aa00be6034
SHA2560d1d2e78dbeb4b57228a50ed89b342f61b3f96baf4e06fcc3b77a01fd1386d6e
SHA512ad2232fc0fcdeb3101bc5e9e7f15e1a8eed482fa0c593301b8829d1217318246db2acf53601d0f584397380065ed12cc358fa22d4f4ea7704235a730740b0fa1
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Filesize
1KB
MD50827572732ef284a4b63ced3199befbf
SHA1ed9bf31b0c4bc92c1feb934c06fb26570da59703
SHA2565981df328bf37bfb1a9d05647ba6b331796dccd1ce38d57b6cb175551a9bdbab
SHA512865440190481957b5aa93dc80468b643d4a4a443186a7589a8651f66e1521fc2664a57126996a9694cb9cca2ba79e98d35ed7273c077ec634a863dca3d651d85
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Filesize
1KB
MD5981e126601526eaa5b0ad45c496c4465
SHA1d610d6a21a8420cc73fcd3e54ddae75a5897b28b
SHA25611ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527
SHA512a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb
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Filesize
224KB
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Filesize
40KB
-
Filesize
80KB
-
Filesize
224KB
-
Filesize
184KB
-
Filesize
224KB
-
Filesize
224KB
-
Filesize
224KB
-
-
Filesize
224KB
-
Filesize
224KB
-
Filesize
56KB
-
Filesize
80KB
-
Filesize
64KB
-
Filesize
80KB
-
Filesize
48KB
-
Filesize
120KB
-
Filesize
40KB
-
Filesize
72KB
-
Filesize
104KB
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Filesize
56KB
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Filesize
72KB
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Filesize
56KB
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-
-
Filesize
8KB
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Filesize
128KB
-
Filesize
568KB
-
Filesize
656KB
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Filesize
232KB