Linux
Analysis Report
i.elf
Overview
General Information
Sample name: | i.elf |
Analysis ID: | 1647590 |
MD5: | a6d2eeeae96be4e6e26d25a190af0916 |
SHA1: | 61137b50bcdc6360650612a026eade104963cf35 |
SHA256: | a5df6d3076dbb1caa0fd1ec0d0873b5c03a25822a5c379a97c9af950c49e8296 |
Tags: | elfuser-abuse_ch |
Infos: |
Detection
Score: | 48 |
Range: | 0 - 100 |
Signatures
Multi AV Scanner detection for submitted file
ELF contains segments with high entropy indicating compressed/encrypted content
Executes the "rm" command used to delete files or directories
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: | 1647590 |
Start date and time: | 2025-03-25 01:23:13 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 32s |
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: | i.elf |
Detection: | MAL |
Classification: | mal48.linELF@0/0@0/0 |
Command: | /tmp/i.elf |
PID: | 6227 |
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 |
⊘No yara matches
⊘No Suricata rule has matched
- • AV Detection
- • Networking
- • System Summary
- • Persistence and Installation Behavior
- • Hooking and other Techniques for Hiding and Protection
- • Malware Analysis System Evasion
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | ReversingLabs: |
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: | Network traffic detected: | ||
Source: | Network traffic detected: | ||
Source: | Network traffic detected: | ||
Source: | Network traffic detected: |
Source: | Program segment: |
Source: | Classification label: |
Source: | Rm executable: | Jump to behavior | ||
Source: | Rm executable: | Jump to behavior |
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 | 1 Obfuscated Files or Information | OS Credential Dumping | 11 Security Software 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 | 1 File Deletion | 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
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
44% | ReversingLabs | Linux.Backdoor.Mirai |
⊘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 |
---|---|---|---|---|---|---|
34.249.145.219 | unknown | United States | 16509 | AMAZON-02US | 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 |
---|---|---|---|---|---|---|
34.249.145.219 | Get hash | malicious | Prometei | 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 | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
109.202.202.202 | Get hash | malicious | Unknown | Browse |
| |
91.189.91.43 | Get hash | malicious | Prometei | Browse | ||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Mirai | Browse | |||
91.189.91.42 | Get hash | malicious | Prometei | Browse | ||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Mirai | Browse |
⊘No context
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
CANONICAL-ASGB | Get hash | malicious | Prometei | Browse |
| |
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
CANONICAL-ASGB | Get hash | malicious | Prometei | Browse |
| |
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
INIT7CH | Get hash | malicious | Prometei | Browse |
| |
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
AMAZON-02US | Get hash | malicious | FormBook | Browse |
| |
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | HTMLPhisher, Invisible JS, Tycoon2FA | Browse |
| ||
Get hash | malicious | Anonymous Proxy | Browse |
| ||
Get hash | malicious | Invisible JS, Tycoon2FA | Browse |
|
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 7.994717463450147 |
TrID: |
|
File name: | i.elf |
File size: | 43'880 bytes |
MD5: | a6d2eeeae96be4e6e26d25a190af0916 |
SHA1: | 61137b50bcdc6360650612a026eade104963cf35 |
SHA256: | a5df6d3076dbb1caa0fd1ec0d0873b5c03a25822a5c379a97c9af950c49e8296 |
SHA512: | 0c3aa5cbe0991c983a30db3cc63fff09e74545add1eedd4385418cb1d96275aaabb592e2cab4e7b96d87ea93aeff3b17d1c2461a31c003f115b830338d83db70 |
SSDEEP: | 768:/kAKuobq1rduMGAXSEYEYv6DjbChaAUKvNvy0OQT23MTGU1Dl:87vbq1lGAXSEYQjbChaAU2yU23M51Dl |
TLSH: | E61302D1136127CC8361EE79387E701A8534651F32E92D003DA7928EF54B71594B7EBE |
File Content Preview: | .ELF..............(......'..4...........4. ...(......................7...7.............................................c........................i..........?.E.h;....#..$..O.%.......y.A.U"......-R..e....<l>=).!...O........u.....`o..*ziy"......R..~@....x2'_ |
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: | 2 |
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 | 0x10000 | 0x10000 | 0x137e9 | 0x137e9 | 7.9947 | 0x5 | R E | 0x10000 | ||
LOAD | 0x6fc | 0x506fc | 0x506fc | 0x0 | 0x0 | 0.0000 | 0x6 | RW | 0x10000 |
Download Network PCAP: filtered – full
- Total Packets: 11
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Mar 25, 2025 01:23:55.147283077 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Mar 25, 2025 01:24:00.774547100 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
Mar 25, 2025 01:24:02.054481030 CET | 42516 | 80 | 192.168.2.23 | 109.202.202.202 |
Mar 25, 2025 01:24:15.620688915 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Mar 25, 2025 01:24:20.951303005 CET | 39242 | 443 | 192.168.2.23 | 34.249.145.219 |
Mar 25, 2025 01:24:20.951416969 CET | 443 | 39242 | 34.249.145.219 | 192.168.2.23 |
Mar 25, 2025 01:24:20.951608896 CET | 39242 | 443 | 192.168.2.23 | 34.249.145.219 |
Mar 25, 2025 01:24:20.952239990 CET | 39242 | 443 | 192.168.2.23 | 34.249.145.219 |
Mar 25, 2025 01:24:20.952297926 CET | 443 | 39242 | 34.249.145.219 | 192.168.2.23 |
Mar 25, 2025 01:24:27.906905890 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
Mar 25, 2025 01:24:32.002233028 CET | 42516 | 80 | 192.168.2.23 | 109.202.202.202 |
Mar 25, 2025 01:24:56.575064898 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Mar 25, 2025 01:25:20.944009066 CET | 39242 | 443 | 192.168.2.23 | 34.249.145.219 |
Mar 25, 2025 01:25:20.984358072 CET | 443 | 39242 | 34.249.145.219 | 192.168.2.23 |
Mar 25, 2025 01:25:58.699115038 CET | 443 | 39242 | 34.249.145.219 | 192.168.2.23 |
System Behavior
Start time (UTC): | 00:23:54 |
Start date (UTC): | 25/03/2025 |
Path: | /tmp/i.elf |
Arguments: | /tmp/i.elf |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |
Start time (UTC): | 00:25:20 |
Start date (UTC): | 25/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 00:25:20 |
Start date (UTC): | 25/03/2025 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.rsJTmgFiLL /tmp/tmp.zv9nb0tg2R /tmp/tmp.F0zAKM7Zoy |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |
Start time (UTC): | 00:25:20 |
Start date (UTC): | 25/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 00:25:20 |
Start date (UTC): | 25/03/2025 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.rsJTmgFiLL /tmp/tmp.zv9nb0tg2R /tmp/tmp.F0zAKM7Zoy |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |