Linux
Analysis Report
ub8ehJSePAfc9FYqZIT6.arm5.elf
Overview
General Information
Sample name: | ub8ehJSePAfc9FYqZIT6.arm5.elf |
Analysis ID: | 1631563 |
MD5: | 76b84af60cfe7784ed729feb295abfba |
SHA1: | e402aa70ca8a1b49002ee0d9540094a75098ef2b |
SHA256: | 083f7282fc80bb6586c8fd92fc139e365c9fb1d11779e7ac25ec750d06e80688 |
Tags: | elfuser-abuse_ch |
Infos: |
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: | 1631563 |
Start date and time: | 2025-03-07 10:47:23 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 38s |
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: | ub8ehJSePAfc9FYqZIT6.arm5.elf |
Detection: | MAL |
Classification: | mal60.evad.linELF@0/0@0/0 |
Command: | /tmp/ub8ehJSePAfc9FYqZIT6.arm5.elf |
PID: | 6247 |
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 |
---|
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: | 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: | ||
Source: | Network traffic detected: | ||
Source: | Network traffic detected: |
System Summary |
---|
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
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 |
---|---|---|---|---|---|---|
54.171.230.55 | 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 |
---|---|---|---|---|---|---|
54.171.230.55 | Get hash | malicious | Prometei | Browse | ||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Mirai | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Mirai | 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 | 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 | Prometei | 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 | 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 | Prometei | 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 | 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 |
| ||
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 | 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 |
| ||
AMAZON-02US | Get hash | malicious | FormBook | Browse |
| |
Get hash | malicious | HTMLPhisher, Invisible JS | Browse |
| ||
Get hash | malicious | FormBook | Browse |
| ||
Get hash | malicious | HTMLPhisher | Browse |
| ||
Get hash | malicious | FormBook | Browse |
| ||
Get hash | malicious | FormBook | Browse |
| ||
Get hash | malicious | Metasploit | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | Prometei | Browse |
| ||
Get hash | malicious | FormBook | 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 | 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 | Prometei | Browse |
|
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 7.902101861208004 |
TrID: |
|
File name: | ub8ehJSePAfc9FYqZIT6.arm5.elf |
File size: | 20'300 bytes |
MD5: | 76b84af60cfe7784ed729feb295abfba |
SHA1: | e402aa70ca8a1b49002ee0d9540094a75098ef2b |
SHA256: | 083f7282fc80bb6586c8fd92fc139e365c9fb1d11779e7ac25ec750d06e80688 |
SHA512: | e6dab8462f43f9df24548ba2fcca743c2726b8bb8791548321f684c0223707ecfd3626846b154e899829b62e017faf87156a40b306d826d13857bc491f3dd21d |
SSDEEP: | 384:wABdaR4qa17lJdyTyvPsSB8DQyQMLqqQmJXBvRh7qmdGUEpia66:vXN62vPsdJQOEmJxvR9q3UELX |
TLSH: | FD92D0E17161B9B3C2403976EC74878B3A16A7F8A0B931012379597F6A80FC63779187 |
File Content Preview: | .ELF..............(.........4...........4. ...(......................M...M...............&..........................Q.td............................=.%<UPX!........h...h.......m..........?.E.h;....#..$........r......l.....U....cu.$4|..2.%M4'....0.i..j..E^ |
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 | 0x4d9d | 0x4d9d | 7.9055 | 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
- Total Packets: 8
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Mar 7, 2025 10:48:06.983895063 CET | 443 | 33606 | 54.171.230.55 | 192.168.2.23 |
Mar 7, 2025 10:48:06.984369993 CET | 33606 | 443 | 192.168.2.23 | 54.171.230.55 |
Mar 7, 2025 10:48:06.989577055 CET | 443 | 33606 | 54.171.230.55 | 192.168.2.23 |
Mar 7, 2025 10:48:09.128926039 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Mar 7, 2025 10:48:14.504344940 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
Mar 7, 2025 10:48:15.784116030 CET | 42516 | 80 | 192.168.2.23 | 109.202.202.202 |
Mar 7, 2025 10:48:30.886347055 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Mar 7, 2025 10:48:41.124656916 CET | 42836 | 443 | 192.168.2.23 | 91.189.91.43 |
Mar 7, 2025 10:48:45.220216036 CET | 42516 | 80 | 192.168.2.23 | 109.202.202.202 |
Mar 7, 2025 10:49:11.841080904 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
System Behavior
Start time (UTC): | 09:48:06 |
Start date (UTC): | 07/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 09:48:06 |
Start date (UTC): | 07/03/2025 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.j6XELWwIu7 /tmp/tmp.SalVtSMb04 /tmp/tmp.iOBFoH4QYW |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |
Start time (UTC): | 09:48:06 |
Start date (UTC): | 07/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 09:48:06 |
Start date (UTC): | 07/03/2025 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.j6XELWwIu7 /tmp/tmp.SalVtSMb04 /tmp/tmp.iOBFoH4QYW |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |
Start time (UTC): | 09:48:07 |
Start date (UTC): | 07/03/2025 |
Path: | /tmp/ub8ehJSePAfc9FYqZIT6.arm5.elf |
Arguments: | /tmp/ub8ehJSePAfc9FYqZIT6.arm5.elf |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |