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Linux
Analysis Report
dlr.x86.elf
Overview
General Information
Detection
Score: | 60 |
Range: | 0 - 100 |
Whitelisted: | false |
Signatures
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Machine Learning detection for sample
HTTP GET or POST without a user agent
Sample has stripped symbol table
Yara signature match
Classification
Joe Sandbox version: | 42.0.0 Malachite |
Analysis ID: | 1590187 |
Start date and time: | 2025-01-13 17:47:04 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 6m 48s |
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: | dlr.x86.elf |
Detection: | MAL |
Classification: | mal60.linELF@0/0@0/0 |
Command: | /tmp/dlr.x86.elf |
PID: | 6232 |
Exit Code: | |
Exit Code Info: | |
Killed: | True |
Standard Output: | LIZRD |
Standard Error: |
- system is lnxubuntu20
- cleanup
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Linux_Trojan_Mirai_88a1b067 | unknown | unknown |
|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Linux_Trojan_Mirai_88a1b067 | unknown | unknown |
| |
Linux_Trojan_Mirai_88a1b067 | unknown | unknown |
|
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Source: | Joe Sandbox ML: |
Source: | HTTP 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: | 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: | HTTP traffic detected: |
Source: | Network traffic detected: | ||
Source: | Network traffic detected: |
System Summary |
---|
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | .symtab present: |
Source: | Matched rule: | ||
Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | Classification label: |
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 | Direct Volume Access | OS Credential Dumping | System Service Discovery | Remote Services | Data from Local System | 1 Encrypted Channel | 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 Non-Application Layer Protocol | Exfiltration Over Bluetooth | Network Denial of Service |
Email Addresses | DNS Server | Domain Accounts | At | Logon Script (Windows) | Logon Script (Windows) | Obfuscated Files or Information | Security Account Manager | Query Registry | SMB/Windows Admin Shares | Data from Network Shared Drive | 2 Application Layer Protocol | Automated Exfiltration | Data Encrypted for Impact |
Employee Names | Virtual Private Server | Local Accounts | Cron | Login Hook | Login Hook | Binary Padding | NTDS | System Network Configuration Discovery | Distributed Component Object Model | Input Capture | 1 Ingress Tool Transfer | Traffic Duplication | Data Destruction |
⊘No configs have been found
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
63% | Virustotal | Browse | ||
66% | ReversingLabs | Linux.Backdoor.Mirai | ||
100% | Joe Sandbox ML |
⊘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 |
---|---|---|---|---|---|---|
185.189.13.91 | unknown | Russian Federation | 50113 | SUPERSERVERSDATACENTERRU | false | |
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 | Threat Name | Link | Context |
---|---|---|---|---|---|---|
185.189.13.91 | Get hash | malicious | Gafgyt, Mirai | Browse | ||
Get hash | malicious | Gafgyt, Mirai | Browse | |||
Get hash | malicious | Gafgyt, Mirai | Browse | |||
Get hash | malicious | Gafgyt, Mirai | Browse | |||
Get hash | malicious | Gafgyt, Mirai | Browse | |||
109.202.202.202 | Get hash | malicious | Unknown | Browse |
| |
91.189.91.43 | Get hash | malicious | Gafgyt, Mirai | Browse | ||
Get hash | malicious | Gafgyt, Mirai | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
91.189.91.42 | Get hash | malicious | Gafgyt, Mirai | Browse | ||
Get hash | malicious | Gafgyt, Mirai | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse |
⊘No context
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
CANONICAL-ASGB | Get hash | malicious | Gafgyt, Mirai | Browse |
| |
Get hash | malicious | Gafgyt, Mirai | Browse |
| ||
Get hash | malicious | Gafgyt, Mirai | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
CANONICAL-ASGB | Get hash | malicious | Gafgyt, Mirai | Browse |
| |
Get hash | malicious | Gafgyt, Mirai | Browse |
| ||
Get hash | malicious | Gafgyt, Mirai | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
SUPERSERVERSDATACENTERRU | Get hash | malicious | Gafgyt, Mirai | Browse |
| |
Get hash | malicious | Gafgyt, Mirai | Browse |
| ||
Get hash | malicious | Gafgyt, Mirai | Browse |
| ||
Get hash | malicious | Gafgyt, Mirai | Browse |
| ||
Get hash | malicious | Gafgyt, Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
INIT7CH | Get hash | malicious | Gafgyt, Mirai | Browse |
| |
Get hash | malicious | Gafgyt, Mirai | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
|
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 5.459336039399656 |
TrID: |
|
File name: | dlr.x86.elf |
File size: | 1'184 bytes |
MD5: | e20fe07a1dc39a881b29b6f1f7f636a8 |
SHA1: | dd91b45a3bfe93e85e66e13e63fc5649a4eb8b0d |
SHA256: | c930ffafdac0d9e12ac3d6c95aec2260d80359342ffb24bb22153b8b02e23169 |
SHA512: | ab54eaf33093132edf69782a531da32e4befaabeb5cbb65b0aaa93c3a1fa2b2c916beb6482c8635070798103fbe49e57a6b9a36cfed24222a3bab62db203b6d6 |
SSDEEP: | 24:FlRM85FHxgxCl6ZSiSZSLRURJ2ifGt+wyrGuWpo/ruQ6N7XNfTBj:fR15sSi0SLRURJ2io+wyrSpoDHg7XNFj |
TLSH: | 3421C266E2E4EC33D66201B665C2AF5A1771CDA15456FF0B8E614402ED2E1D0D232374 |
File Content Preview: | .ELF....................!...4...........4. ...(.....................................................................Q.td............................U....U...E...........M...E........].....................................U......u.j..@........U......u.j..+. |
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: | 984 |
Section Header Size: | 40 |
Number of Section Headers: | 5 |
Header String Table Index: | 4 |
Name | Type | Address | Offset | Size | EntSize | Flags | Flags Description | Link | Info | Align |
---|---|---|---|---|---|---|---|---|---|---|
NULL | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0 | 0 | 0 | ||
.text | PROGBITS | 0x8048094 | 0x94 | 0x2e5 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.rodata | PROGBITS | 0x8048379 | 0x379 | 0x3e | 0x1 | 0x32 | AMS | 0 | 0 | 1 |
.bss | NOBITS | 0x80493b8 | 0x3b8 | 0x4 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.shstrtab | STRTAB | 0x0 | 0x3b8 | 0x1e | 0x0 | 0x0 | 0 | 0 | 1 |
Type | Offset | Virtual Address | Physical Address | File Size | Memory Size | Entropy | Flags | Flags Description | Align | Prog Interpreter | Section Mappings |
---|---|---|---|---|---|---|---|---|---|---|---|
LOAD | 0x0 | 0x8048000 | 0x8048000 | 0x3b7 | 0x3b7 | 5.8839 | 0x5 | R E | 0x1000 | .text .rodata | |
LOAD | 0x3b8 | 0x80493b8 | 0x80493b8 | 0x0 | 0x4 | 0.0000 | 0x6 | RW | 0x1000 | .bss | |
GNU_STACK | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0.0000 | 0x6 | RW | 0x4 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Jan 13, 2025 17:47:52.948842049 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Jan 13, 2025 17:47:53.423078060 CET | 53464 | 80 | 192.168.2.23 | 185.189.13.91 |
Jan 13, 2025 17:47:53.428049088 CET | 80 | 53464 | 185.189.13.91 | 192.168.2.23 |
Jan 13, 2025 17:47:53.428122997 CET | 53464 | 80 | 192.168.2.23 | 185.189.13.91 |
Jan 13, 2025 17:47:53.428879976 CET | 53464 | 80 | 192.168.2.23 | 185.189.13.91 |
Jan 13, 2025 17:47:53.433671951 CET | 80 | 53464 | 185.189.13.91 | 192.168.2.23 |
Jan 13, 2025 17:47:58.580444098 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
Jan 13, 2025 17:47:59.347930908 CET | 42516 | 80 | 192.168.2.23 | 109.202.202.202 |
Jan 13, 2025 17:48:14.193883896 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Jan 13, 2025 17:48:24.432759047 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
Jan 13, 2025 17:48:30.576231956 CET | 42516 | 80 | 192.168.2.23 | 109.202.202.202 |
Jan 13, 2025 17:48:38.412374973 CET | 53464 | 80 | 192.168.2.23 | 185.189.13.91 |
Jan 13, 2025 17:48:38.418045998 CET | 80 | 53464 | 185.189.13.91 | 192.168.2.23 |
Jan 13, 2025 17:48:38.418139935 CET | 53464 | 80 | 192.168.2.23 | 185.189.13.91 |
Jan 13, 2025 17:48:55.148860931 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Jan 13, 2025 17:49:15.625920057 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
Session ID | Source IP | Source Port | Destination IP | Destination Port |
---|---|---|---|---|
0 | 192.168.2.23 | 53464 | 185.189.13.91 | 80 |
Timestamp | Bytes transferred | Direction | Data |
---|---|---|---|
Jan 13, 2025 17:47:53.428879976 CET | 45 | OUT |
System Behavior
Start time (UTC): | 16:47:52 |
Start date (UTC): | 13/01/2025 |
Path: | /tmp/dlr.x86.elf |
Arguments: | /tmp/dlr.x86.elf |
File size: | 1184 bytes |
MD5 hash: | e20fe07a1dc39a881b29b6f1f7f636a8 |