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Windows
Analysis Report
USB DISK.lnk
Overview
General Information
| Sample Name: | USB DISK.lnk |
| Analysis ID: | 659986 |
| MD5: | c78e81cc700617124974b7d22e4ba00c |
| SHA1: | 8448ecfa3b175a277f9b4938610bc0f6b201eb96 |
| SHA256: | c708cad33342728e48fe6a046b44e4c302fd5965c96b838f3c7bbcefef91dcb6 |
| Tags: | lnk |
| Infos: |
Detection
| Score: | 52 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Windows shortcut file (LNK) starts blacklisted processes
Machine Learning detection for sample
Program does not show much activity (idle)
Creates a process in suspended mode (likely to inject code)
Classification
- System is w10x64
cmd.exe (PID: 5220 cmdline: "C:\Window s\System32 \cmd.exe" /rtyPE fn. icO|cmD MD5: 4E2ACF4F8A396486AB4268C94A6A245F) - conhost.exe (PID: 5980 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - cmd.exe (PID: 2364 cmdline:
C:\Windows \system32\ cmd.exe /S /D /c" ty PE fn.icO" MD5: 4E2ACF4F8A396486AB4268C94A6A245F) - cmd.exe (PID: 5576 cmdline:
cmD MD5: 4E2ACF4F8A396486AB4268C94A6A245F)
- 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
AV Detection |   |
|---|
| Source: | Joe Sandbox ML: | ||
| Source: | File read: | Jump to behavior | ||
| Source: | Classification label: | ||
| Source: | Process created: | |||
| Source: | Process created: | |||
| Source: | Process created: | |||
| Source: | Process created: | |||
| Source: | Process created: | Jump to behavior | ||
| Source: | Process created: | Jump to behavior | ||
Persistence and Installation Behavior | |
|---|
| Source: | Process created: | |||
| Source: | Process created: | |||
| Source: | Process created: | |||
| Source: | Process created: | Jump to behavior | ||
| Source: | Process created: | 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: | ||
| Source: | Process created: | Jump to behavior | ||
| Source: | Process created: | Jump to behavior | ||
| Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Exfiltration | Command and Control | Network Effects | Remote Service Effects | Impact |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valid Accounts | Windows Management Instrumentation | Path Interception | 11 Process Injection | 11 Process Injection | OS Credential Dumping | 1 Process Discovery | Remote Services | Data from Local System | Exfiltration Over Other Network Medium | Data Obfuscation | Eavesdrop on Insecure Network Communication | Remotely Track Device Without Authorization | Modify System Partition |
| Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | Boot or Logon Initialization Scripts | Rootkit | LSASS Memory | 1 File and Directory Discovery | Remote Desktop Protocol | Data from Removable Media | Exfiltration Over Bluetooth | Junk Data | Exploit SS7 to Redirect Phone Calls/SMS | Remotely Wipe Data Without Authorization | Device Lockout |
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
Internet| Source | Detection | Scanner | Label | Link |
|---|---|---|---|---|
| 5% | Virustotal | Browse | ||
| 8% | ReversingLabs | Win32.Trojan.GenAutorunLnkFile | ||
| 100% | Joe Sandbox ML |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No contacted domains info
⊘No contacted IP infos
| Joe Sandbox Version: | 35.0.0 Citrine |
| Analysis ID: | 659986 |
| Start date and time: 08/07/202219:42:51 | 2022-07-08 19:42:51 +02:00 |
| Joe Sandbox Product: | CloudBasic |
| Overall analysis duration: | 0h 2m 26s |
| Hypervisor based Inspection enabled: | false |
| Report type: | full |
| Sample file name: | USB DISK.lnk |
| Cookbook file name: | default.jbs |
| Analysis system description: | Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211 |
| Number of analysed new started processes analysed: | 5 |
| 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 |
| Detection: | MAL |
| Classification: | mal52.winLNK@6/0@0/0 |
| Cookbook Comments: |
|
- Exclude process from analysis
(whitelisted): backgroundTaskH ost.exe - Excluded IPs from analysis (wh
itelisted): 20.82.210.154 - Excluded domains from analysis
(whitelisted): www.bing.com, store-images.s-microsoft.com, arc.trafficmanager.net, iris-d e-prod-azsc-neu-b.northeurope. cloudapp.azure.com, arc.msn.co m - Not all processes where analyz
ed, report is missing behavior information
⊘No simulations
⊘No context
⊘No context
⊘No context
⊘No context
⊘No context
⊘No created / dropped files found
| File type: | |
| Entropy (8bit): | 4.805721511625944 |
| TrID: |
|
| File name: | USB DISK.lnk |
| File size: | 922 |
| MD5: | c78e81cc700617124974b7d22e4ba00c |
| SHA1: | 8448ecfa3b175a277f9b4938610bc0f6b201eb96 |
| SHA256: | c708cad33342728e48fe6a046b44e4c302fd5965c96b838f3c7bbcefef91dcb6 |
| SHA512: | fed62ffbd1896d3cefe20977e1b9884edaa36bfa6a96501c62054a1d1788c6f79e098a29f42c9682e31ae494c5cca8d894add5b2ff5d3e2318e3c0881629b8c4 |
| SSDEEP: | 12:8bBkAMm0m/QMlZnVSXlZlM4x0j2JBzto0q6iNQ0h/3YJoq8DmUj1S:8bVMmJ4wJaFg2JBzto02Q0hvLRm41 |
| TLSH: | BD11D0121EC60B66C1758E37D86A7325D572BC42FF439E2500C0A1489942047F4BBF3E |
| File Content Preview: | L..................F.... ....g.k............ht.k........O...................5....P.O. .:i.....+00.../C:\...................V.1......Tn...Windows.@........OwH.T7.....k6....B.................*.W.i.n.d.o.w.s.....Z.1......T.j..System32..B........OwH.TY......> |
 | |
| Icon Hash: | 00608460e099f53d |
General | |
|---|---|
| Relative Path: | |
| Command Line Argument: | /rtyPE fn.icO|cmD |
| Icon location: | %systemroot%\system32\shell32.dll |
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: | 0 |
| Start time: | 19:44:07 |
| Start date: | 08/07/2022 |
| Path: | C:\Windows\System32\cmd.exe |
| Wow64 process (32bit): | false |
| Commandline: | |
| Imagebase: | 0x7ff7bb450000 |
| File size: | 273920 bytes |
| MD5 hash: | 4E2ACF4F8A396486AB4268C94A6A245F |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Target ID: | 1 |
| Start time: | 19:44:07 |
| Start date: | 08/07/2022 |
| Path: | C:\Windows\System32\conhost.exe |
| Wow64 process (32bit): | false |
| Commandline: | |
| Imagebase: | 0x7ff647620000 |
| File size: | 625664 bytes |
| MD5 hash: | EA777DEEA782E8B4D7C7C33BBF8A4496 |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Target ID: | 2 |
| Start time: | 19:44:08 |
| Start date: | 08/07/2022 |
| Path: | C:\Windows\System32\cmd.exe |
| Wow64 process (32bit): | false |
| Commandline: | |
| Imagebase: | 0x7ff7bb450000 |
| File size: | 273920 bytes |
| MD5 hash: | 4E2ACF4F8A396486AB4268C94A6A245F |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Target ID: | 3 |
| Start time: | 19:44:08 |
| Start date: | 08/07/2022 |
| Path: | C:\Windows\System32\cmd.exe |
| Wow64 process (32bit): | false |
| Commandline: | |
| Imagebase: | 0x7ff7bb450000 |
| File size: | 273920 bytes |
| MD5 hash: | 4E2ACF4F8A396486AB4268C94A6A245F |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
⊘No disassembly
