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Windows
Analysis Report
new.bat
Overview
General Information
| Sample name: | new.bat |
| Analysis ID: | 1431650 |
| MD5: | fb97a775418bcee56afb84b341da55b6 |
| SHA1: | f670045dfb15753146e6d5ff827a441b49d62f3b |
| SHA256: | d7c66c3c7e365661dfaaf468ce2a2cbced99f52583aa84b6822953a52c780351 |
| Tags: | bat |
| Infos: | |
 | |
Detection
| Score: | 1 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 80% |
Signatures
Program does not show much activity (idle)
Sample execution stops while process was sleeping (likely an evasion)
Classification
- System is w10x64
cmd.exe (PID: 5856 cmdline: C:\Windows \system32\ cmd.exe /c ""C:\User s\user\Des ktop\new.b at" " MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 5784 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- cleanup
⊘No configs have been found
⊘No yara matches
⊘No Sigma rule has matched
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
There are no malicious signatures, click here to show all signatures.
| Source: | Classification label: | ||
| Source: | Mutant created: | ||
| Source: | Process created: | ||
| Source: | Process created: | ||
| Source: | Process created: | ||
| Source: | Section loaded: | Jump to behavior | ||
| Source: | Process information set: | Jump to behavior | ||
| Source: | Thread injection, dropped files, key value created, disk infection and DNS query: | ||
| Source: | Last function: | ||
| 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 | 1 Scripting | Valid Accounts | Windows Management Instrumentation | 1 Scripting | 1 Process Injection | 1 Process Injection | OS Credential Dumping | System Service 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 | 1 DLL Side-Loading | 1 DLL Side-Loading | 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.
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
| Joe Sandbox version: | 40.0.0 Tourmaline |
| Analysis ID: | 1431650 |
| Start date and time: | 2024-04-25 15:11:11 +02:00 |
| Joe Sandbox product: | CloudBasic |
| Overall analysis duration: | 0h 3m 56s |
| 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: | 9 |
| 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: | new.bat |
| Detection: | CLEAN |
| Classification: | clean1.winBAT@2/0@0/0 |
| EGA Information: | Failed |
| HCA Information: |
|
| Cookbook Comments: |
|
- Exclude process from analysis (whitelisted): dllhost.exe, WMIADAP.exe, SIHClient.exe, backgroundTaskHost.exe
- Excluded domains from analysis (whitelisted): client.wns.windows.com, ocsp.digicert.com, slscr.update.microsoft.com, ctldl.windowsupdate.com, fe3cr.delivery.mp.microsoft.com
- Not all processes where analyzed, report is missing behavior information
⊘No simulations
⊘No created / dropped files found
| File type: | |
| Entropy (8bit): | 4.843025124949749 |
| TrID: | |
| File name: | new.bat |
| File size: | 1'171 bytes |
| MD5: | fb97a775418bcee56afb84b341da55b6 |
| SHA1: | f670045dfb15753146e6d5ff827a441b49d62f3b |
| SHA256: | d7c66c3c7e365661dfaaf468ce2a2cbced99f52583aa84b6822953a52c780351 |
| SHA512: | a0c565bc0745bcc854cea9499ad0530cf9bd9d4220dee49b464374f23d0b80a69035f1b8117ca68a6956a2433a3937cf9994e847fa9b8ad3bd62e4744dadfd91 |
| SSDEEP: | 24:D0zOeRbzrpQJkqgqhiQr9K5Hk0baOM+1wcTxnIdK9/ZDjeFc4ZUmZKOvb:DqRdpQJkq3hjhK55beslxnIdK9/ZjJ4l |
| TLSH: | 3621C1611848813D533BA7BAB73454EBE50A108FD200791875FDC5A60F3028D87F6BF4 |
| File Content Preview: | @echo off....set destination=%USERPROFILE%\Pictures....REM Copy a.cmd, a.ps1, and ib.ps1 to the destination folder..copy /Y "%source%\a.cmd" "%destination%"..copy /Y "%source%\hy.ps1" "%destination%"..copy /Y "%source%\ib.ps1" "%destination%"....REM Check |
 | |
| Icon Hash: | 9686878b929a9886 |
Key Decision
Richest Path
Thread / callback creation
Lower opacity -> Library Node⊘No network behavior found
Click to jump to process
Click to jump to process
Click to jump to process
| Target ID: | 1 |
| Start time: | 15:12:08 |
| Start date: | 25/04/2024 |
| Path: | C:\Windows\System32\cmd.exe |
| Wow64 process (32bit): | false |
| Commandline: | |
| Imagebase: | 0x7ff79d910000 |
| File size: | 289'792 bytes |
| MD5 hash: | 8A2122E8162DBEF04694B9C3E0B6CDEE |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Has exited: | true |
| Target ID: | 2 |
| Start time: | 15:12:09 |
| Start date: | 25/04/2024 |
| Path: | C:\Windows\System32\conhost.exe |
| Wow64 process (32bit): | false |
| Commandline: | |
| Imagebase: | 0x7ff66e660000 |
| File size: | 862'208 bytes |
| MD5 hash: | 0D698AF330FD17BEE3BF90011D49251D |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Has exited: | true |
⊘No disassembly