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Linux
Analysis Report
25jan. Required documents.lnk
Overview
General Information
Sample Name: | 25jan. Required documents.lnk |
Analysis ID: | 794655 |
MD5: | 42d501d938b5152accfb8541ccd302a5 |
SHA1: | 476e42f9e316d44fbd4bf2371e2c8b5c0503eab5 |
SHA256: | 1e6c697fe3b106fd43b6d7c96752a3618eaa04765e89bf8bc4b2e7cb8eb5034c |
Infos: |
Detection
Score: | 48 |
Range: | 0 - 100 |
Whitelisted: | false |
Signatures
Multi AV Scanner detection for submitted file
Uses the "uname" system call to query kernel version information (possible evasion)
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Creates hidden files and/or directories
Classification
Analysis Advice
All HTTP servers contacted by the sample do not answer. The sample is likely an old dropper which does no longer work. |
Non-zero exit code suggests an error during the execution. Lookup the error code for hints. |
Joe Sandbox Version: | 36.0.0 Rainbow Opal |
Analysis ID: | 794655 |
Start date and time: | 2023-01-30 19:54:03 +01:00 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 5m 19s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Cookbook file name: | defaultlinuxfilecookbook.jbs |
Analysis system description: | Ubuntu Linux 20.04 x64 (Kernel 5.4.0-72, Firefox 91.0, Evince Document Viewer 3.36.10, LibreOffice 6.4.7.2, OpenJDK 11.0.11) |
Analysis Mode: | default |
Sample file name: | 25jan. Required documents.lnk |
Detection: | MAL |
Classification: | mal48.linLNK@0/0@0/0 |
Command: | xdg-open "/tmp/25jan. Required documents.lnk" |
PID: | 6234 |
Exit Code: | 4 |
Exit Code Info: | |
Killed: | False |
Standard Output: | |
Standard Error: |
- system is lnxubuntu20
- cleanup
⊘No yara matches
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Virustotal: | Perma Link |
Source: | TCP traffic: | ||
Source: | TCP traffic: | ||
Source: | TCP traffic: |
Source: | Network traffic detected: | ||
Source: | Network traffic detected: |
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: |
Source: | Classification label: |
Source: | Directory: | Jump to behavior |
Source: | Queries kernel information via 'uname': | 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 | Path Interception | 1 Hidden Files and Directories | OS Credential Dumping | 1 Security Software Discovery | Remote Services | Data from Local System | Exfiltration Over Other Network Medium | 1 Encrypted Channel | 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 | Application Window Discovery | Remote Desktop Protocol | Data from Removable Media | Exfiltration Over Bluetooth | 1 Application Layer Protocol | Exploit SS7 to Redirect Phone Calls/SMS | Remotely Wipe Data Without Authorization | Device Lockout |
⊘No configs have been found
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
8% | Virustotal | Browse |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No contacted domains info
- No. of IPs < 25%
- 25% < No. of IPs < 50%
- 50% < No. of IPs < 75%
- 75% < No. of IPs
IP | Domain | Country | Flag | ASN | ASN Name | Malicious |
---|---|---|---|---|---|---|
109.202.202.202 | unknown | Switzerland | 13030 | INIT7CH | false | |
91.189.91.43 | unknown | United Kingdom | 41231 | CANONICAL-ASGB | false | |
91.189.91.42 | unknown | United Kingdom | 41231 | CANONICAL-ASGB | false |
Match | Associated Sample Name / URL | SHA 256 | Detection | Link | Context |
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109.202.202.202 | Get hash | malicious | Browse | ||
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91.189.91.43 | Get hash | malicious | Browse | ||
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⊘No context
Match | Associated Sample Name / URL | SHA 256 | Detection | Link | Context |
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CANONICAL-ASGB | Get hash | malicious | Browse |
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INIT7CH | Get hash | malicious | Browse |
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⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 4.469401886349938 |
TrID: |
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File name: | 25jan. Required documents.lnk |
File size: | 1312 |
MD5: | 42d501d938b5152accfb8541ccd302a5 |
SHA1: | 476e42f9e316d44fbd4bf2371e2c8b5c0503eab5 |
SHA256: | 1e6c697fe3b106fd43b6d7c96752a3618eaa04765e89bf8bc4b2e7cb8eb5034c |
SHA512: | 0ea012f85c749ccbb153766423c88d166eb186725b21ba1be442f3ac7d3290aa3356b80fefceff23dd010dd82e814bbd316f7e7b7a5d43e76c224c4e16f577e8 |
SSDEEP: | 24:8vJ25BdHdaUCMbXUx+/fqiT0x4o0agFDTXD/Fom:80hH5h0OoATXjFo |
TLSH: | C821870507FBA319F3B24E76043AE3458FA2F951FD63A72D5254A18C8860F08EC74B17 |
File Content Preview: | L..................F.... .......d.......d.......d...........................5....P.O. .:i.....+00.../C:\...................V.1...../Urk..Windows.@........H.0/Urk..........................u...W.i.n.d.o.w.s.....Z.1.....)V.>..System32..B........H.0)V.>...... |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Jan 30, 2023 19:54:54.408082008 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
Jan 30, 2023 19:54:54.668056011 CET | 42516 | 80 | 192.168.2.23 | 109.202.202.202 |
Jan 30, 2023 19:55:09.767362118 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Jan 30, 2023 19:55:20.006814003 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
Jan 30, 2023 19:55:24.102634907 CET | 42516 | 80 | 192.168.2.23 | 109.202.202.202 |
Jan 30, 2023 19:55:50.725249052 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Jan 30, 2023 19:56:11.204283953 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
System Behavior
Start time: | 19:54:55 |
Start date: | 30/01/2023 |
Path: | /usr/bin/exo-open |
Arguments: | exo-open "/tmp/25jan. Required documents.lnk" |
File size: | 27264 bytes |
MD5 hash: | 60a307a6a6325e2034eb5cc56bff1abd |