Linux
Analysis Report
i.elf
Overview
General Information
Sample name: | i.elf |
Analysis ID: | 1646206 |
MD5: | be2af5d908a06db0170358040c5e4548 |
SHA1: | b93a91f6fc454675f57d8065236b1a21446f7148 |
SHA256: | 1a7fcc43ff665aff48c2e03f7fe261eb8e2550e4af519a6e89c3445f9dbed602 |
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: | 1646206 |
Start date and time: | 2025-03-23 16:37:12 +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: | i.elf |
Detection: | MAL |
Classification: | mal48.linELF@0/0@0/0 |
Command: | /tmp/i.elf |
PID: | 6228 |
Exit Code: | 127 |
Exit Code Info: | |
Killed: | False |
Standard Output: | |
Standard Error: |
⊘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 |
---|
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: |
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 |
---|---|---|---|---|
47% | ReversingLabs | Linux.Infostealer.Berbew |
⊘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 | Unknown | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | 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 | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Okiru | Browse | |||
Get hash | malicious | Gafgyt, Okiru | Browse | |||
Get hash | malicious | Okiru | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Gafgyt, Okiru | Browse | |||
91.189.91.42 | Get hash | malicious | Prometei | Browse | ||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Okiru | Browse | |||
Get hash | malicious | Gafgyt, Okiru | Browse | |||
Get hash | malicious | Okiru | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Gafgyt, Okiru | 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 | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Okiru | Browse |
| ||
Get hash | malicious | Gafgyt, Okiru | Browse |
| ||
Get hash | malicious | Okiru | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
CANONICAL-ASGB | Get hash | malicious | Prometei | Browse |
| |
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Okiru | Browse |
| ||
Get hash | malicious | Gafgyt, Okiru | Browse |
| ||
Get hash | malicious | Okiru | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
INIT7CH | Get hash | malicious | Prometei | Browse |
| |
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Okiru | Browse |
| ||
Get hash | malicious | Gafgyt, Okiru | Browse |
| ||
Get hash | malicious | Okiru | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Gafgyt, Okiru | Browse |
| ||
AMAZON-02US | 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 | Unknown | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
|
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 7.979483522075245 |
TrID: |
|
File name: | i.elf |
File size: | 85'232 bytes |
MD5: | be2af5d908a06db0170358040c5e4548 |
SHA1: | b93a91f6fc454675f57d8065236b1a21446f7148 |
SHA256: | 1a7fcc43ff665aff48c2e03f7fe261eb8e2550e4af519a6e89c3445f9dbed602 |
SHA512: | ed6b5ea5408d909e59adeb594463a04e7a90e854bfe55a30c051e549a29d9f0501c807582d62e76021099a675e8146b66ee452f9291b5a77baa003cec0fcc6da |
SSDEEP: | 1536:yYI0ARqw1qAEW67UIWi7M8gm/mJo0WgswnD6Efyq8PxlRkp2K3/J1V+uBNu:yYI0ARqw1qAEv7UIFM8IJorFquyjkRks |
TLSH: | 43831229135414E5D62681F1D3FD1B84AE981FA9CEE2EC147C12BC89EE333AD3CD2618 |
File Content Preview: | .ELF....................../....4.........4. ...(......................Bd..Bd.................G...G.................................................^.......?.E.h4...@b..) ..]..0...a.t<..mc.zy/..>..!c...gM\<j..W`xD'..}...\..].j.L.u...S..i...../..F...@`..'k. |
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 | 0x100000 | 0x100000 | 0x14264 | 0x14264 | 7.9794 | 0x5 | R E | 0x10000 | ||
LOAD | 0xa6c0 | 0x47a6c0 | 0x47a6c0 | 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 23, 2025 16:38:00.014267921 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Mar 23, 2025 16:38:05.645550966 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
Mar 23, 2025 16:38:06.413393974 CET | 42516 | 80 | 192.168.2.23 | 109.202.202.202 |
Mar 23, 2025 16:38:19.346224070 CET | 39246 | 443 | 192.168.2.23 | 34.249.145.219 |
Mar 23, 2025 16:38:19.346328020 CET | 443 | 39246 | 34.249.145.219 | 192.168.2.23 |
Mar 23, 2025 16:38:19.346566916 CET | 39246 | 443 | 192.168.2.23 | 34.249.145.219 |
Mar 23, 2025 16:38:19.347158909 CET | 39246 | 443 | 192.168.2.23 | 34.249.145.219 |
Mar 23, 2025 16:38:19.347193956 CET | 443 | 39246 | 34.249.145.219 | 192.168.2.23 |
Mar 23, 2025 16:38:20.235549927 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Mar 23, 2025 16:38:32.521869898 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
Mar 23, 2025 16:38:36.617415905 CET | 42516 | 80 | 192.168.2.23 | 109.202.202.202 |
Mar 23, 2025 16:39:01.189840078 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Mar 23, 2025 16:39:19.338628054 CET | 39246 | 443 | 192.168.2.23 | 34.249.145.219 |
Mar 23, 2025 16:39:19.384326935 CET | 443 | 39246 | 34.249.145.219 | 192.168.2.23 |
Mar 23, 2025 16:40:03.498050928 CET | 443 | 39246 | 34.249.145.219 | 192.168.2.23 |
System Behavior
Start time (UTC): | 15:37:59 |
Start date (UTC): | 23/03/2025 |
Path: | /tmp/i.elf |
Arguments: | /tmp/i.elf |
File size: | 5777432 bytes |
MD5 hash: | 0083f1f0e77be34ad27f849842bbb00c |
Start time (UTC): | 15:39:18 |
Start date (UTC): | 23/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 15:39:18 |
Start date (UTC): | 23/03/2025 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.US56yz9G11 /tmp/tmp.FwK5WUHYS9 /tmp/tmp.PvgXh18Kjz |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |
Start time (UTC): | 15:39:18 |
Start date (UTC): | 23/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 15:39:18 |
Start date (UTC): | 23/03/2025 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.US56yz9G11 /tmp/tmp.FwK5WUHYS9 /tmp/tmp.PvgXh18Kjz |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |