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Windows
Analysis Report
Archivos.lnk
Overview
General Information
| Sample name: | Archivos.lnk |
| Analysis ID: | 1428351 |
| MD5: | f48cfe6ae7cd4014461b54f4f546a300 |
| SHA1: | 17efd4c79341045fb4e0739f4ad698dad2d2bde8 |
| SHA256: | baaf0f3b544c0809f8367e6521a3ed59d2baaad83f112072830dae1779080b99 |
| Tags: | lnk |
| Infos: |  |
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Detection
| Score: | 48 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Found WSH timer for Javascript or VBS script (likely evasive script)
Program does not show much activity (idle)
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Classification
- System is w10x64
wscript.exe (PID: 7004 cmdline: "C:\WINDOW S\system32 \wscript.e xe" Dark_F iles\Cthul hu.vbs The _call 3000 0 MD5: A47CBE969EA935BDD3AB568BB126BC80)
- cleanup
⊘No configs have been found
⊘No yara matches
| Source: | Author: Michael Haag: | ||
⊘No Snort rule has matched
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Show All Signature Results
AV Detection |   |
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| Source: | Avira: | ||
| Source: | Classification label: | ||
| Source: | Process created: | ||
| Source: | Key opened: | Jump to behavior | ||
| Source: | Section loaded: | Jump to behavior | ||
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| Source: | Key value queried: | Jump to behavior | ||
| Source: | Process information set: | Jump to behavior | ||
| Source: | Window found: | Jump to behavior | ||
| Source: | Thread injection, dropped files, key value created, disk infection and DNS query: | ||
| Source: | Thread injection, dropped files, key value created, disk infection and DNS query: | ||
| Reconnaissance | Resource Development | Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Command and Control | Exfiltration | Impact |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gather Victim Identity Information | 11 Scripting | Valid Accounts | Windows Management Instrumentation | 11 Scripting | 1 DLL Side-Loading | 1 DLL Side-Loading | OS Credential Dumping | 1 System Information Discovery | Remote Services | Data from Local System | Data Obfuscation | Exfiltration Over Other Network Medium | Abuse Accessibility Features |
| Credentials | Domains | Default Accounts | Scheduled Task/Job | 1 DLL Side-Loading | Boot or Logon Initialization Scripts | Rootkit | LSASS Memory | Application Window Discovery | Remote Desktop Protocol | Data from Removable Media | Junk Data | Exfiltration Over Bluetooth | Network Denial of Service |
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
InternetThis section contains all screenshots as thumbnails, including those not shown in the slideshow.
| Source | Detection | Scanner | Label | Link |
|---|---|---|---|---|
| 11% | ReversingLabs | Shortcut.Trojan.Generic | ||
| 100% | Avira | LNK/Runner.VPPS |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
| Joe Sandbox version: | 40.0.0 Tourmaline |
| Analysis ID: | 1428351 |
| Start date and time: | 2024-04-18 21:14:34 +02:00 |
| Joe Sandbox product: | CloudBasic |
| Overall analysis duration: | 0h 3m 45s |
| Hypervisor based Inspection enabled: | false |
| Report type: | full |
| Cookbook file name: | default.jbs |
| Analysis system description: | Windows 10 x64 22H2 with Office Professional Plus 2019, Chrome 117, Firefox 118, Adobe Reader DC 23, Java 8 Update 381, 7zip 23.01 |
| Number of analysed new started processes analysed: | 16 |
| Number of new started drivers analysed: | 0 |
| Number of existing processes analysed: | 0 |
| Number of existing drivers analysed: | 0 |
| Number of injected processes analysed: | 0 |
| Technologies: |
|
| Analysis Mode: | default |
| Analysis stop reason: | Timeout |
| Sample name: | Archivos.lnk |
| Detection: | MAL |
| Classification: | mal48.winLNK@1/0@0/0 |
| EGA Information: | Failed |
| HCA Information: |
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| Cookbook Comments: |
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- Exclude process from analysis (whitelisted): MpCmdRun.exe, dllhost.exe, SIHClient.exe, SgrmBroker.exe, MoUsoCoreWorker.exe, conhost.exe, svchost.exe
- Excluded domains from analysis (whitelisted): ocsp.digicert.com, slscr.update.microsoft.com, ctldl.windowsupdate.com, time.windows.com, fe3cr.delivery.mp.microsoft.com
- Not all processes where analyzed, report is missing behavior information
- VT rate limit hit for: Archivos.lnk
⊘No simulations
⊘No created / dropped files found
| File type: | |
| Entropy (8bit): | 3.272973206604132 |
| TrID: |
|
| File name: | Archivos.lnk |
| File size: | 668 bytes |
| MD5: | f48cfe6ae7cd4014461b54f4f546a300 |
| SHA1: | 17efd4c79341045fb4e0739f4ad698dad2d2bde8 |
| SHA256: | baaf0f3b544c0809f8367e6521a3ed59d2baaad83f112072830dae1779080b99 |
| SHA512: | b9f0aef980885409434da4b8341f8a9e733bf1b7d537b0e51996006826972f48ab53f4a2a77d83a27f55713c9548689087b136f10c9be557787de7c759540304 |
| SSDEEP: | 12:8Y9M0m/VnEXz/nvhsIgqEKw+ilDmIfcq6iNAILY:8YiJtnmnvtDHm4I02Ay |
| TLSH: | F101E5045BDA0610E1728D736DEFE306CAB53893DE939F6E4084828D3464941BDBAE17 |
| File Content Preview: | L..................F........................................................A....P.O. .:i.....+00.../C:\...................V.1...........WINDOWS.@.............................................W.I.N.D.O.W.S.....Z.1...........system32..B..................... |
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| Icon Hash: | 30b4b4b464696d0d |
General | |
|---|---|
| Relative Path: | |
| Command Line Argument: | Dark_Files\Cthulhu.vbs The_call 30000 |
| Icon location: | %SystemRoot%\System32\shell32.dll |
Key Decision
Richest Path
Thread / callback creation
Lower opacity -> Library Node⊘No network behavior found
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| Target ID: | 0 |
| Start time: | 21:15:22 |
| Start date: | 18/04/2024 |
| Path: | C:\Windows\System32\wscript.exe |
| Wow64 process (32bit): | false |
| Commandline: | |
| Imagebase: | 0x7ff6c48a0000 |
| File size: | 170'496 bytes |
| MD5 hash: | A47CBE969EA935BDD3AB568BB126BC80 |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Has exited: | true |
⊘No disassembly