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Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
30/04/2024, 11:43
General
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Target
winPEASx64.exe
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Size
2.3MB
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MD5
1f7f204d5ca9437dbb364b7d28eb71a5
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SHA1
5d79c1d2e799596f32a28bb68d966b4efcd608c8
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SHA256
39210402176e6bf813dbff36370978a66505dc7a25008841e5225603ccbcb8e6
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SHA512
b0782e6c4302fdc5349266adbfcd0865735dbff4874c69e0773deec2afea6062bb37df04d6db9ce46626b9e6fb4474c2e7858556ef6af09a45ca9d1a2d9890be
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SSDEEP
24576:ocQmqUZRcomnDIi/W7m/EsH1LsPlNKkThXHL5gZm3T:kmDXmn8i/WaE+El4kBHL5gk
Malware Config
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Drops file in Windows directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\winPEASx64.exe"C:\Users\Admin\AppData\Local\Temp\winPEASx64.exe"1⤵
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\systeminfo.exe"systeminfo.exe"2⤵
- Gathers system information
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C:\Windows\system32\netsh.exe"netsh" wlan show profiles2⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" # Check if appcmd.exe exists if (Test-Path ('C:\Windows\system32\inetsrv\appcmd.exe')) { # Create data table to house results $DataTable = New-Object System.Data.DataTable # Create and name columns in the data table $Null = $DataTable.Columns.Add('user') $Null = $DataTable.Columns.Add('pass') $Null = $DataTable.Columns.Add('type') $Null = $DataTable.Columns.Add('vdir') $Null = $DataTable.Columns.Add('apppool') # Get list of application pools Invoke-Expression 'C:\Windows\system32\inetsrv\appcmd.exe list apppools /text:name' | ForEach-Object { # Get application pool name $PoolName = $_ # Get username $PoolUserCmd = 'C:\Windows\system32\inetsrv\appcmd.exe list apppool ' + $PoolName + ' /text:processmodel.username' $PoolUser = Invoke-Expression $PoolUserCmd # Get password $PoolPasswordCmd = 'C:\Windows\system32\inetsrv\appcmd.exe list apppool ' + $PoolName + ' /text:processmodel.password' $PoolPassword = Invoke-Expression $PoolPasswordCmd # Check if credentials exists if (($PoolPassword -ne '') -and ($PoolPassword -isnot [system.array])) { # Add credentials to database $Null = $DataTable.Rows.Add($PoolUser, $PoolPassword,'Application Pool','NA',$PoolName) } } # Get list of virtual directories Invoke-Expression 'C:\Windows\system32\inetsrv\appcmd.exe list vdir /text:vdir.name' | ForEach-Object { # Get Virtual Directory Name $VdirName = $_ # Get username $VdirUserCmd = 'C:\Windows\system32\inetsrv\appcmd.exe list vdir ' + $VdirName + ' /text:userName' $VdirUser = Invoke-Expression $VdirUserCmd # Get password $VdirPasswordCmd = 'C:\Windows\system32\inetsrv\appcmd.exe list vdir ' + $VdirName + ' /text:password' $VdirPassword = Invoke-Expression $VdirPasswordCmd # Check if credentials exists if (($VdirPassword -ne '') -and ($VdirPassword -isnot [system.array])) { # Add credentials to database $Null = $DataTable.Rows.Add($VdirUser, $VdirPassword,'Virtual Directory',$VdirName,'NA') } } # Check if any passwords were found if( $DataTable.rows.Count -gt 0 ) { # Display results in list view that can feed into the pipeline #$DataTable | Sort-Object type,user,pass,vdir,apppool | Select-Object user,pass,type,vdir,apppool -Unique $DataTable | Select-Object user,pass,type,vdir,apppool } else { # Status user Write-host 'No application pool or virtual directory passwords were found.' } }2⤵
- 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
2.9MB
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Filesize
32KB
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Filesize
2.3MB
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Filesize
9.9MB
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Filesize
512KB
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Filesize
512KB
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Filesize
5.9MB
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Filesize
40KB
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Filesize
292KB
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Filesize
292KB
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Filesize
316KB
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Filesize
5.9MB
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Filesize
80KB
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Filesize
768KB
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Filesize
376KB
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Filesize
768KB
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Filesize
60KB
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Filesize
36KB
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Filesize
52KB
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Filesize
204KB
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Filesize
40KB
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Filesize
348KB
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Filesize
656KB
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Filesize
84KB
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Filesize
368KB
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Filesize
104KB
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Filesize
304KB
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Filesize
80KB
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Filesize
1.6MB
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Filesize
64KB
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Filesize
44KB
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Filesize
168KB
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Filesize
1.6MB
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Filesize
108KB
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Filesize
172KB
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Filesize
384KB
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Filesize
68KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
456KB
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Filesize
72KB
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Filesize
232KB
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Filesize
32KB
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Filesize
296KB
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Filesize
376KB
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Filesize
88KB
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Filesize
548KB
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Filesize
136KB
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Filesize
148KB
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Filesize
56KB
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Filesize
28KB
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Filesize
192KB
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Filesize
276KB
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Filesize
120KB
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Filesize
524KB
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Filesize
344KB
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Filesize
144KB
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Filesize
524KB
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Filesize
188KB
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Filesize
48KB
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Filesize
132KB
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Filesize
324KB
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Filesize
152KB
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Filesize
548KB
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Filesize
244KB
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Filesize
24KB
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Filesize
3.1MB
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Filesize
3.1MB
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Filesize
368KB
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Filesize
96KB
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Filesize
140KB
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Filesize
804KB
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Filesize
180KB
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Filesize
804KB
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Filesize
100KB
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Filesize
360KB
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Filesize
268KB
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Filesize
8KB
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Filesize
664KB
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Filesize
196KB
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Filesize
428KB
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Filesize
80KB
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Filesize
452KB
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Filesize
612KB
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Filesize
612KB
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Filesize
452KB
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Filesize
428KB
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Filesize
308KB
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Filesize
9.9MB
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Filesize
512KB
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Filesize
512KB
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Filesize
5.9MB
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Filesize
768KB
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Filesize
768KB
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Filesize
376KB
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Filesize
368KB