Linux
Analysis Report
tftp.elf
Overview
General Information
Detection
Score: | 48 |
Range: | 0 - 100 |
Signatures
Multi AV Scanner detection for submitted file
Executes the "rm" command used to delete files or directories
Uses the "uname" system call to query kernel version information (possible evasion)
Classification
Joe Sandbox version: | 42.0.0 Malachite |
Analysis ID: | 1629568 |
Start date and time: | 2025-03-04 21:42:24 +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: | tftp.elf |
Detection: | MAL |
Classification: | mal48.linELF@0/0@2/0 |
Command: | /tmp/tftp.elf |
PID: | 5504 |
Exit Code: | 135 |
Exit Code Info: | |
Killed: | False |
Standard Output: | |
Standard Error: |
- system is lnxubuntu20
- dash New Fork (PID: 5545, Parent: 3656)
- dash New Fork (PID: 5546, Parent: 3656)
- dash New Fork (PID: 5547, Parent: 3656)
- dash New Fork (PID: 5548, Parent: 3656)
- dash New Fork (PID: 5549, Parent: 3656)
- dash New Fork (PID: 5550, Parent: 3656)
- dash New Fork (PID: 5551, Parent: 3656)
- dash New Fork (PID: 5552, Parent: 3656)
- dash New Fork (PID: 5553, Parent: 3656)
- dash New Fork (PID: 5554, Parent: 3656)
- cleanup
⊘No yara matches
⊘No Suricata rule has matched
- • AV Detection
- • Compliance
- • Networking
- • System Summary
- • Persistence and Installation Behavior
- • Malware Analysis System Evasion
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | ReversingLabs: |
Source: | HTTPS traffic detected: |
Source: | DNS traffic detected: |
Source: | Network traffic detected: | ||
Source: | Network traffic detected: |
Source: | HTTPS traffic detected: |
Source: | Classification label: |
Source: | Rm executable: | Jump to behavior | ||
Source: | Rm executable: | Jump to behavior |
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: | ||
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 File Deletion | 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 | 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 |
⊘No configs have been found
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
18% | ReversingLabs | Linux.Trojan.Multiverze |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
Name | IP | Active | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|---|
daisy.ubuntu.com | 162.213.35.24 | true | 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 |
---|---|---|---|---|---|---|
54.217.10.153 | unknown | United States | 16509 | AMAZON-02US | false |
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
54.217.10.153 | 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 | Mirai | Browse | |||
Get hash | malicious | Prometei | Browse | |||
Get hash | malicious | Mirai, Moobot | Browse | |||
Get hash | malicious | Gafgyt, Mirai | Browse | |||
Get hash | malicious | Unknown | Browse |
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
daisy.ubuntu.com | Get hash | malicious | Unknown | Browse |
| |
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai, Moobot | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai, Moobot | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai | Browse |
|
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
AMAZON-02US | Get hash | malicious | Unknown | Browse |
| |
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | FormBook | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | FormBook | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | RedLine | Browse |
| ||
Get hash | malicious | Unknown | Browse |
|
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 6.009541300275253 |
TrID: |
|
File name: | tftp.elf |
File size: | 102'400 bytes |
MD5: | c5fb30f47117944dbd14bd86e51ba504 |
SHA1: | 89c6a1de4a09ce1b8ddcdbc1978e3c19586a0c8b |
SHA256: | 78410d92efab1e5b4d23aa58744103313546171196bb98663e6c05f32074a75a |
SHA512: | 0dc1663366ebfdef55bb0f34ec7a28a2bd34544bc516ec490783d8bedb5510b8f89a53a17571136b1e7a6e35a8b717bfabb75f67bb0896ad1e097915a15e39a7 |
SSDEEP: | 3072:9LOuh02xHCKQnqZ9YfMXKgyLlBZSyPjYDC:FOuhPHCKsqZ9YfM6g23ZJLYDC |
TLSH: | FBA30A96F8A28B56C4C557B7FB4FC75637231795E3DF36038A184E34278B50A8E3AA01 |
File Content Preview: | .ELF..............(.........4...........4. ...(........p.....+...+......................4...4...4...@...@...............t...t...t.............................................................................................................................. |
Download Network PCAP: filtered – full
- Total Packets: 12
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Mar 4, 2025 21:43:16.119309902 CET | 443 | 34596 | 54.217.10.153 | 192.168.2.14 |
Mar 4, 2025 21:43:16.119322062 CET | 443 | 34596 | 54.217.10.153 | 192.168.2.14 |
Mar 4, 2025 21:43:16.119332075 CET | 443 | 34596 | 54.217.10.153 | 192.168.2.14 |
Mar 4, 2025 21:43:16.119343042 CET | 443 | 34596 | 54.217.10.153 | 192.168.2.14 |
Mar 4, 2025 21:43:16.119548082 CET | 34596 | 443 | 192.168.2.14 | 54.217.10.153 |
Mar 4, 2025 21:43:16.119549036 CET | 34596 | 443 | 192.168.2.14 | 54.217.10.153 |
Mar 4, 2025 21:43:16.119549036 CET | 34596 | 443 | 192.168.2.14 | 54.217.10.153 |
Mar 4, 2025 21:43:16.119549036 CET | 34596 | 443 | 192.168.2.14 | 54.217.10.153 |
Mar 4, 2025 21:43:16.120250940 CET | 34596 | 443 | 192.168.2.14 | 54.217.10.153 |
Mar 4, 2025 21:43:16.125260115 CET | 443 | 34596 | 54.217.10.153 | 192.168.2.14 |
Mar 4, 2025 21:43:16.400243998 CET | 443 | 34596 | 54.217.10.153 | 192.168.2.14 |
Mar 4, 2025 21:43:16.400414944 CET | 34596 | 443 | 192.168.2.14 | 54.217.10.153 |
Mar 4, 2025 21:43:16.400568962 CET | 34596 | 443 | 192.168.2.14 | 54.217.10.153 |
Mar 4, 2025 21:43:16.405527115 CET | 443 | 34596 | 54.217.10.153 | 192.168.2.14 |
Mar 4, 2025 21:43:16.839623928 CET | 443 | 34596 | 54.217.10.153 | 192.168.2.14 |
Mar 4, 2025 21:43:16.839751005 CET | 34596 | 443 | 192.168.2.14 | 54.217.10.153 |
Mar 4, 2025 21:43:16.840557098 CET | 34596 | 443 | 192.168.2.14 | 54.217.10.153 |
Mar 4, 2025 21:43:16.845799923 CET | 443 | 34596 | 54.217.10.153 | 192.168.2.14 |
Mar 4, 2025 21:43:16.845833063 CET | 34596 | 443 | 192.168.2.14 | 54.217.10.153 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Mar 4, 2025 21:43:12.810770035 CET | 53701 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 4, 2025 21:43:12.810770035 CET | 41024 | 53 | 192.168.2.14 | 8.8.8.8 |
Mar 4, 2025 21:43:12.818844080 CET | 53 | 41024 | 8.8.8.8 | 192.168.2.14 |
Mar 4, 2025 21:43:12.818964005 CET | 53 | 53701 | 8.8.8.8 | 192.168.2.14 |
Timestamp | Source IP | Dest IP | Trans ID | OP Code | Name | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|
Mar 4, 2025 21:43:12.810770035 CET | 192.168.2.14 | 8.8.8.8 | 0x1852 | Standard query (0) | A (IP address) | IN (0x0001) | false | |
Mar 4, 2025 21:43:12.810770035 CET | 192.168.2.14 | 8.8.8.8 | 0xf31a | Standard query (0) | 28 | IN (0x0001) | false |
Timestamp | Source IP | Dest IP | Trans ID | Reply Code | Name | CName | Address | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|---|---|
Mar 4, 2025 21:43:12.818964005 CET | 8.8.8.8 | 192.168.2.14 | 0x1852 | No error (0) | 162.213.35.24 | A (IP address) | IN (0x0001) | false | ||
Mar 4, 2025 21:43:12.818964005 CET | 8.8.8.8 | 192.168.2.14 | 0x1852 | No error (0) | 162.213.35.25 | A (IP address) | IN (0x0001) | false |
Timestamp | Source IP | Source Port | Dest IP | Dest Port | Subject | Issuer | Not Before | Not After | JA3 SSL Client Fingerprint | JA3 SSL Client Digest |
---|---|---|---|---|---|---|---|---|---|---|
Mar 4, 2025 21:43:16.119332075 CET | 54.217.10.153 | 443 | 192.168.2.14 | 34596 | CN=motd.ubuntu.com CN=R11, O=Let's Encrypt, C=US | CN=R11, O=Let's Encrypt, C=US CN=ISRG Root X1, O=Internet Security Research Group, C=US | Sun Jan 05 09:21:36 CET 2025 Wed Mar 13 01:00:00 CET 2024 | Sat Apr 05 10:21:35 CEST 2025 Sat Mar 13 00:59:59 CET 2027 | ||
CN=R11, O=Let's Encrypt, C=US | CN=ISRG Root X1, O=Internet Security Research Group, C=US | Wed Mar 13 01:00:00 CET 2024 | Sat Mar 13 00:59:59 CET 2027 |
System Behavior
Start time (UTC): | 20:43:10 |
Start date (UTC): | 04/03/2025 |
Path: | /tmp/tftp.elf |
Arguments: | /tmp/tftp.elf |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.c3el1MfV0d /tmp/tmp.AcYqKBjCpG /tmp/tmp.reOhvtc8re |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/cat |
Arguments: | cat /tmp/tmp.c3el1MfV0d |
File size: | 43416 bytes |
MD5 hash: | 7e9d213e404ad3bb82e4ebb2e1f2c1b3 |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/head |
Arguments: | head -n 10 |
File size: | 47480 bytes |
MD5 hash: | fd96a67145172477dd57131396fc9608 |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/tr |
Arguments: | tr -d \\000-\\011\\013\\014\\016-\\037 |
File size: | 51544 bytes |
MD5 hash: | fbd1402dd9f72d8ebfff00ce7c3a7bb5 |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/cut |
Arguments: | cut -c -80 |
File size: | 47480 bytes |
MD5 hash: | d8ed0ea8f22c0de0f8692d4d9f1759d3 |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/cat |
Arguments: | cat /tmp/tmp.c3el1MfV0d |
File size: | 43416 bytes |
MD5 hash: | 7e9d213e404ad3bb82e4ebb2e1f2c1b3 |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/head |
Arguments: | head -n 10 |
File size: | 47480 bytes |
MD5 hash: | fd96a67145172477dd57131396fc9608 |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/tr |
Arguments: | tr -d \\000-\\011\\013\\014\\016-\\037 |
File size: | 51544 bytes |
MD5 hash: | fbd1402dd9f72d8ebfff00ce7c3a7bb5 |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/cut |
Arguments: | cut -c -80 |
File size: | 47480 bytes |
MD5 hash: | d8ed0ea8f22c0de0f8692d4d9f1759d3 |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/dash |
Arguments: | - |
File size: | 129816 bytes |
MD5 hash: | 1e6b1c887c59a315edb7eb9a315fc84c |
Start time (UTC): | 20:43:15 |
Start date (UTC): | 04/03/2025 |
Path: | /usr/bin/rm |
Arguments: | rm -f /tmp/tmp.c3el1MfV0d /tmp/tmp.AcYqKBjCpG /tmp/tmp.reOhvtc8re |
File size: | 72056 bytes |
MD5 hash: | aa2b5496fdbfd88e38791ab81f90b95b |