Linux
Analysis Report
Space.arm5.elf
Overview
General Information
Detection
Score: | 60 |
Range: | 0 - 100 |
Signatures
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
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)
Yara signature match
Classification
Joe Sandbox version: | 42.0.0 Malachite |
Analysis ID: | 1644253 |
Start date and time: | 2025-03-20 13:42:42 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 30s |
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: | Space.arm5.elf |
Detection: | MAL |
Classification: | mal60.evad.linELF@0/0@0/0 |
Command: | /tmp/Space.arm5.elf |
PID: | 5528 |
Exit Code: | 127 |
Exit Code Info: | |
Killed: | False |
Standard Output: | |
Standard Error: |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Linux_Trojan_Gafgyt_28a2fe0c | unknown | unknown |
| |
Linux_Trojan_Gafgyt_28a2fe0c | unknown | unknown |
|
⊘No Suricata rule has matched
- • AV Detection
- • Networking
- • System Summary
- • Data Obfuscation
- • 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: | Virustotal: | Perma Link | ||
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: | String found in binary or memory: |
Source: | Network traffic detected: | ||
Source: | Network traffic detected: |
System Summary |
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Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | Program segment: |
Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | Classification label: |
Data Obfuscation |
---|
Source: | String containing UPX found: | ||
Source: | String containing UPX found: | ||
Source: | String containing UPX found: |
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 | 11 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
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
38% | Virustotal | Browse | ||
42% | ReversingLabs | Linux.Backdoor.Mirai |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No contacted domains info
Name | Source | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|
false | high |
- 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 |
---|---|---|---|---|---|---|
34.254.182.186 | unknown | United States | 16509 | AMAZON-02US | false |
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
34.254.182.186 | Get hash | malicious | Unknown | Browse | ||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Gafgyt, Mirai | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Mirai, Okiru | Browse | |||
Get hash | malicious | Prometei | Browse |
⊘No context
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
AMAZON-02US | Get hash | malicious | Mirai, Okiru | Browse |
| |
Get hash | malicious | Okiru | Browse |
| ||
Get hash | malicious | Okiru | Browse |
| ||
Get hash | malicious | Okiru | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | 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): | 7.897933320682434 |
TrID: |
|
File name: | Space.arm5.elf |
File size: | 20'276 bytes |
MD5: | e126ca680700e0d72f6070e82af33bad |
SHA1: | 2d2113a85c52f33adebe609b04dfd00d6f04fefe |
SHA256: | 72e09e0296335158b909215457015aa42f6aa2caf6781469f369ebcb38066372 |
SHA512: | f1b1baced354d5f560e04caea4d9f32dd7ffb9d53926f5f0d76e7238e8734eeb99cd149fd61b25aa6f5d3687e08fc43c81ec81f6203c486c603073f2cfe38009 |
SSDEEP: | 384:G3me3Vg19bm2MxowbW6kn0HG0sdXIC62vnL6My/HHxjvfyh7qmdGUEpiaMyt:43Vg19bm2Wo9aHG0uFLqjvfy9q3UEL/t |
TLSH: | 5292E11277280CA1ECB11C365E6B47E7691D8BFC615E307352A082F88D99973BBFD145 |
File Content Preview: | .ELF..............(.........4...........4. ...(......................M...M...............&..........................Q.td............................=.%<UPX!........h...h.......n..........?.E.h;....#..$.......ZI...\........N.0.#U....%..3?..O.`....q.$...\.. |
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 | 0x4d85 | 0x4d85 | 7.9015 | 0x5 | R E | 0x8000 | ||
LOAD | 0x26f0 | 0x1a6f0 | 0x1a6f0 | 0x0 | 0x0 | 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 13:43:51.664560080 CET | 59330 | 443 | 192.168.2.14 | 34.254.182.186 |
Mar 20, 2025 13:43:51.664606094 CET | 443 | 59330 | 34.254.182.186 | 192.168.2.14 |
Mar 20, 2025 13:43:51.664766073 CET | 59330 | 443 | 192.168.2.14 | 34.254.182.186 |
Mar 20, 2025 13:43:51.666516066 CET | 59330 | 443 | 192.168.2.14 | 34.254.182.186 |
Mar 20, 2025 13:43:51.666526079 CET | 443 | 59330 | 34.254.182.186 | 192.168.2.14 |
Mar 20, 2025 13:44:51.663374901 CET | 59330 | 443 | 192.168.2.14 | 34.254.182.186 |
Mar 20, 2025 13:44:51.708340883 CET | 443 | 59330 | 34.254.182.186 | 192.168.2.14 |
Mar 20, 2025 13:45:37.080991030 CET | 443 | 59330 | 34.254.182.186 | 192.168.2.14 |
System Behavior
Start time (UTC): | 12:43:32 |
Start date (UTC): | 20/03/2025 |
Path: | /tmp/Space.arm5.elf |
Arguments: | /tmp/Space.arm5.elf |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |
Start time (UTC): | 12:44:50 |
Start date (UTC): | 20/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 12:44:50 |
Start date (UTC): | 20/03/2025 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.mfAbmP7cjU /tmp/tmp.hkTOH83uvS /tmp/tmp.YcwOD1yxkW |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |
Start time (UTC): | 12:44:50 |
Start date (UTC): | 20/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 12:44:50 |
Start date (UTC): | 20/03/2025 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.mfAbmP7cjU /tmp/tmp.hkTOH83uvS /tmp/tmp.YcwOD1yxkW |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |