Linux
Analysis Report
.5r3fqt67ew531has4231.arm.elf
Overview
General Information
Detection
Score: | 52 |
Range: | 0 - 100 |
Signatures
Multi AV Scanner detection for submitted file
Sample is packed with UPX
ELF contains segments with high entropy indicating compressed/encrypted content
Sample contains only a LOAD segment without any section mappings
Uses the "uname" system call to query kernel version information (possible evasion)
Classification
Joe Sandbox version: | 42.0.0 Malachite |
Analysis ID: | 1644193 |
Start date and time: | 2025-03-20 12:48:12 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 41s |
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 name: | .5r3fqt67ew531has4231.arm.elf |
Detection: | MAL |
Classification: | mal52.evad.linELF@0/0@2/0 |
Command: | /tmp/.5r3fqt67ew531has4231.arm.elf |
PID: | 5633 |
Exit Code: | 139 |
Exit Code Info: | SIGSEGV (11) Segmentation fault invalid memory reference |
Killed: | False |
Standard Output: | |
Standard Error: | qemu: uncaught target signal 11 (Segmentation fault) - core dumped |
- system is lnxubuntu20
- cleanup
⊘No yara matches
⊘No Suricata rule has matched
- • AV Detection
- • Networking
- • System Summary
- • Data Obfuscation
- • Hooking and other Techniques for Hiding and Protection
- • Malware Analysis System Evasion
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Source: | DNS traffic detected: |
Source: | String found in binary or memory: |
Source: | Program segment: |
Source: | Classification label: |
Data Obfuscation |
---|
Source: | String containing UPX found: | ||
Source: | String containing UPX found: | ||
Source: | String containing UPX found: |
Source: | Submission file: |
Source: | Queries kernel information via 'uname': | Jump to behavior |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
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 | Path Interception | Path Interception | 11 Obfuscated Files or Information | OS Credential Dumping | 11 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 | Boot or Logon Initialization Scripts | Rootkit | LSASS Memory | Application Window Discovery | Remote Desktop Protocol | Data from Removable Media | 1 Application Layer Protocol | Exfiltration Over Bluetooth | Network Denial of Service |
⊘No configs have been found
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
28% | Virustotal | Browse | ||
33% | ReversingLabs | Linux.Backdoor.Mirai |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
Name | IP | Active | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|---|
daisy.ubuntu.com | 162.213.35.24 | true | false | high |
Name | Source | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|
false | high |
⊘No contacted IP infos
⊘No context
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
daisy.ubuntu.com | Get hash | malicious | Unknown | Browse |
| |
Get hash | malicious | Mirai, Gafgyt, Moobot, Okiru | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
|
⊘No context
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 7.979908109616886 |
TrID: |
|
File name: | .5r3fqt67ew531has4231.arm.elf |
File size: | 56'564 bytes |
MD5: | 1e8eeadbb03aaacba1ae49d26de1f2d5 |
SHA1: | 1ebbd3c61ad71b73ade86be72c5f7f61531e2a12 |
SHA256: | 25a34165f9eef4831274bf49eaa57d557861d5f6793c62b53a370eda96a8e0ea |
SHA512: | e9aa573989cce1a80c96906f41cdbe665fde206251d0293ba7d8eb51717d8fc1f0adbe50b1827448b3af0aec42c7b76ed1dbc06c855208781303bdc893655f51 |
SSDEEP: | 768:HE9sTgf5JLdhmSXj7gu9wzq9RMnzWCu73bKVOrW7/iutt9WBdY5gloakbe3Uj:HwcM373gNq9CzWC2fW7/Jttkoaloakbf |
TLSH: | 2843F13488D9C420C8A62C3D7AEE9D5AEB3F1D6C45ED8ABB7520431C62C94D1F9B76C4 |
File Content Preview: | .ELF...a..........(.....<J..4...........4. ...(.........................................................\...........Q.td............................K..gUPX!.........i...i......T..........?.E.h;.}...^..........e.$.n!B.9G..V....U^..d...X....B4.[..>..g...... |
ELF header | |
---|---|
Class: | |
Data: | |
Version: | |
Machine: | |
Version Number: | |
Type: | |
OS/ABI: | |
ABI Version: | 0 |
Entry Point Address: | |
Flags: | |
ELF Header Size: | 52 |
Program Header Offset: | 52 |
Program Header Size: | 32 |
Number of Program Headers: | 3 |
Section Header Offset: | 0 |
Section Header Size: | 40 |
Number of Section Headers: | 0 |
Header String Table Index: | 0 |
Type | Offset | Virtual Address | Physical Address | File Size | Memory Size | Entropy | Flags | Flags Description | Align | Prog Interpreter | Section Mappings |
---|---|---|---|---|---|---|---|---|---|---|---|
LOAD | 0x0 | 0x8000 | 0x8000 | 0xdc04 | 0xdc04 | 7.9811 | 0x5 | R E | 0x8000 | ||
LOAD | 0x0 | 0x18000 | 0x18000 | 0x0 | 0x22e5c | 0.0000 | 0x6 | RW | 0x8000 | ||
GNU_STACK | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0.0000 | 0x7 | RWE | 0x4 |
Download Network PCAP: filtered – full
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Mar 20, 2025 12:49:15.695019007 CET | 45166 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 20, 2025 12:49:15.786212921 CET | 53 | 45166 | 8.8.8.8 | 192.168.2.14 |
Mar 20, 2025 12:49:15.786279917 CET | 53 | 45166 | 8.8.8.8 | 192.168.2.14 |
Mar 20, 2025 12:49:15.786401987 CET | 45166 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 20, 2025 12:49:15.786401987 CET | 45166 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 20, 2025 12:49:15.786401987 CET | 45166 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 20, 2025 12:49:15.877037048 CET | 53 | 45166 | 8.8.8.8 | 192.168.2.14 |
Mar 20, 2025 12:49:15.877100945 CET | 53 | 45166 | 8.8.8.8 | 192.168.2.14 |
Mar 20, 2025 12:49:15.877151012 CET | 45166 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 20, 2025 12:49:17.879163027 CET | 53 | 45166 | 8.8.8.8 | 192.168.2.14 |
Mar 20, 2025 12:49:17.879456997 CET | 45166 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 20, 2025 12:49:17.970642090 CET | 53 | 45166 | 8.8.8.8 | 192.168.2.14 |
Timestamp | Source IP | Dest IP | Trans ID | OP Code | Name | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|
Mar 20, 2025 12:49:15.695019007 CET | 192.168.2.14 | 8.8.8.8 | 0x4b71 | Standard query (0) | A (IP address) | IN (0x0001) | false | |
Mar 20, 2025 12:49:15.786401987 CET | 192.168.2.14 | 8.8.8.8 | 0x4fc2 | Standard query (0) | 28 | IN (0x0001) | false |
Timestamp | Source IP | Dest IP | Trans ID | Reply Code | Name | CName | Address | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|---|---|
Mar 20, 2025 12:49:15.786279917 CET | 8.8.8.8 | 192.168.2.14 | 0x4b71 | No error (0) | 162.213.35.24 | A (IP address) | IN (0x0001) | false | ||
Mar 20, 2025 12:49:15.786279917 CET | 8.8.8.8 | 192.168.2.14 | 0x4b71 | No error (0) | 162.213.35.25 | A (IP address) | IN (0x0001) | false |
System Behavior
Start time (UTC): | 11:49:13 |
Start date (UTC): | 20/03/2025 |
Path: | /tmp/.5r3fqt67ew531has4231.arm.elf |
Arguments: | /tmp/.5r3fqt67ew531has4231.arm.elf |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |