Analysis
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max time kernel
7s -
max time network
90s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
08-12-2020 16:26
Behavioral task
behavioral1
Sample
5db95b04df766972edbf3af11dd1d461.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
5db95b04df766972edbf3af11dd1d461.exe
Resource
win10v20201028
General
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Target
5db95b04df766972edbf3af11dd1d461.exe
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Size
160KB
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MD5
5db95b04df766972edbf3af11dd1d461
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SHA1
b344d170ff873c945ed029a8e0ffe05d72efa337
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SHA256
2cda176ce221ab580e6d9bbebc4333fa2156c33c9d4e3666c38eba656e13ef6b
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SHA512
3c4da07170e7ffc6c6b597118944db39c8c874f4847a501c2cf72f74f1a35cf8be6b2f959e389ced5048d5330aae6a6dbcd7991883c83c4dad1bb1ba6759886c
Malware Config
Signatures
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NetWire RAT payload 6 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\Windows\windowsupdate.exe netwire C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe netwire C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe netwire \Users\Admin\AppData\Roaming\Windows\windowsupdate.exe netwire \Users\Admin\AppData\Roaming\Windows\windowsupdate.exe netwire \Users\Admin\AppData\Roaming\Windows\windowsupdate.exe netwire -
Executes dropped EXE 1 IoCs
Processes:
windowsupdate.exepid process 1988 windowsupdate.exe -
Loads dropped DLL 4 IoCs
Processes:
5db95b04df766972edbf3af11dd1d461.exewindowsupdate.exepid process 1684 5db95b04df766972edbf3af11dd1d461.exe 1988 windowsupdate.exe 1988 windowsupdate.exe 1988 windowsupdate.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
windowsupdate.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ windowsupdate.exe Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\NetWire = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\windowsupdate.exe" windowsupdate.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
5db95b04df766972edbf3af11dd1d461.exedescription pid process target process PID 1684 wrote to memory of 1988 1684 5db95b04df766972edbf3af11dd1d461.exe windowsupdate.exe PID 1684 wrote to memory of 1988 1684 5db95b04df766972edbf3af11dd1d461.exe windowsupdate.exe PID 1684 wrote to memory of 1988 1684 5db95b04df766972edbf3af11dd1d461.exe windowsupdate.exe PID 1684 wrote to memory of 1988 1684 5db95b04df766972edbf3af11dd1d461.exe windowsupdate.exe PID 1684 wrote to memory of 1988 1684 5db95b04df766972edbf3af11dd1d461.exe windowsupdate.exe PID 1684 wrote to memory of 1988 1684 5db95b04df766972edbf3af11dd1d461.exe windowsupdate.exe PID 1684 wrote to memory of 1988 1684 5db95b04df766972edbf3af11dd1d461.exe windowsupdate.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5db95b04df766972edbf3af11dd1d461.exe"C:\Users\Admin\AppData\Local\Temp\5db95b04df766972edbf3af11dd1d461.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe"C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exeMD5
5db95b04df766972edbf3af11dd1d461
SHA1b344d170ff873c945ed029a8e0ffe05d72efa337
SHA2562cda176ce221ab580e6d9bbebc4333fa2156c33c9d4e3666c38eba656e13ef6b
SHA5123c4da07170e7ffc6c6b597118944db39c8c874f4847a501c2cf72f74f1a35cf8be6b2f959e389ced5048d5330aae6a6dbcd7991883c83c4dad1bb1ba6759886c
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C:\Users\Admin\AppData\Roaming\Windows\windowsupdate.exeMD5
5db95b04df766972edbf3af11dd1d461
SHA1b344d170ff873c945ed029a8e0ffe05d72efa337
SHA2562cda176ce221ab580e6d9bbebc4333fa2156c33c9d4e3666c38eba656e13ef6b
SHA5123c4da07170e7ffc6c6b597118944db39c8c874f4847a501c2cf72f74f1a35cf8be6b2f959e389ced5048d5330aae6a6dbcd7991883c83c4dad1bb1ba6759886c
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\Users\Admin\AppData\Roaming\Windows\windowsupdate.exeMD5
5db95b04df766972edbf3af11dd1d461
SHA1b344d170ff873c945ed029a8e0ffe05d72efa337
SHA2562cda176ce221ab580e6d9bbebc4333fa2156c33c9d4e3666c38eba656e13ef6b
SHA5123c4da07170e7ffc6c6b597118944db39c8c874f4847a501c2cf72f74f1a35cf8be6b2f959e389ced5048d5330aae6a6dbcd7991883c83c4dad1bb1ba6759886c
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\Users\Admin\AppData\Roaming\Windows\windowsupdate.exeMD5
5db95b04df766972edbf3af11dd1d461
SHA1b344d170ff873c945ed029a8e0ffe05d72efa337
SHA2562cda176ce221ab580e6d9bbebc4333fa2156c33c9d4e3666c38eba656e13ef6b
SHA5123c4da07170e7ffc6c6b597118944db39c8c874f4847a501c2cf72f74f1a35cf8be6b2f959e389ced5048d5330aae6a6dbcd7991883c83c4dad1bb1ba6759886c
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\Users\Admin\AppData\Roaming\Windows\windowsupdate.exeMD5
5db95b04df766972edbf3af11dd1d461
SHA1b344d170ff873c945ed029a8e0ffe05d72efa337
SHA2562cda176ce221ab580e6d9bbebc4333fa2156c33c9d4e3666c38eba656e13ef6b
SHA5123c4da07170e7ffc6c6b597118944db39c8c874f4847a501c2cf72f74f1a35cf8be6b2f959e389ced5048d5330aae6a6dbcd7991883c83c4dad1bb1ba6759886c
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\Users\Admin\AppData\Roaming\Windows\windowsupdate.exeMD5
5db95b04df766972edbf3af11dd1d461
SHA1b344d170ff873c945ed029a8e0ffe05d72efa337
SHA2562cda176ce221ab580e6d9bbebc4333fa2156c33c9d4e3666c38eba656e13ef6b
SHA5123c4da07170e7ffc6c6b597118944db39c8c874f4847a501c2cf72f74f1a35cf8be6b2f959e389ced5048d5330aae6a6dbcd7991883c83c4dad1bb1ba6759886c
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memory/1988-3-0x0000000000000000-mapping.dmp