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Linux
Analysis Report
na.elf
Overview
General Information
Sample name: | na.elf |
Analysis ID: | 1532515 |
MD5: | 00a9ae1db130ee9c421bda3d63acaa9e |
SHA1: | 4e54df2cd570a13dcc2b9990fa3fe2623bca3ba4 |
SHA256: | 62e098592f3d6467df64e3cf1d86880a74431ab9f06b96bb2b15b4b621f73836 |
Tags: | elfuser-abuse_ch |
Infos: |
Detection
Score: | 52 |
Range: | 0 - 100 |
Whitelisted: | false |
Signatures
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Sample tries to access files in /etc/config/ (typical for OpenWRT routers)
Creates hidden files and/or directories
Detected TCP or UDP traffic on non-standard ports
Found strings indicative of a multi-platform dropper
Sample has stripped symbol table
Sample listens on a socket
Uses the "uname" system call to query kernel version information (possible evasion)
Classification
Joe Sandbox version: | 41.0.0 Charoite |
Analysis ID: | 1532515 |
Start date and time: | 2024-10-13 15:23:46 +02:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 5m 25s |
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: | na.elf |
Detection: | MAL |
Classification: | mal52.troj.evad.linELF@0/0@3/0 |
Command: | /tmp/na.elf |
PID: | 5488 |
Exit Code: | 0 |
Exit Code Info: | |
Killed: | False |
Standard Output: | thIs wEek on xLaB lEarNs nOthinG xd |
Standard Error: |
⊘No yara matches
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
Source: | String: | ||
Source: | String: |
Networking |
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Source: | TCP traffic: |
Source: | TCP traffic: |
Source: | Socket: | Jump to behavior |
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: |
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: |
Source: | .symtab present: |
Source: | Classification label: |
Data Obfuscation |
---|
Source: | File: | Jump to behavior |
Source: | Directory: | Jump to behavior | ||
Source: | Directory: | Jump to behavior | ||
Source: | Directory: | Jump to behavior | ||
Source: | Directory: | Jump to behavior | ||
Source: | Directory: | Jump to behavior | ||
Source: | Directory: | Jump to behavior | ||
Source: | Directory: | Jump to behavior | ||
Source: | Directory: | Jump to behavior | ||
Source: | Directory: | Jump to behavior | ||
Source: | Directory: | Jump to behavior |
Hooking and other Techniques for Hiding and Protection |
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Source: | Log files deleted: | 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: |
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 | 1 Scripting | Valid Accounts | Windows Management Instrumentation | 1 Scripting | Path Interception | 1 Hidden Files and Directories | OS Credential Dumping | 11 Security Software Discovery | Remote Services | Data from Local System | 1 Non-Standard Port | 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 Indicator Removal | 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 | 1 Application Layer Protocol | Automated Exfiltration | Data Encrypted for Impact |
⊘No configs have been found
⊘No Antivirus matches
⊘No Antivirus matches
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
0% | Virustotal | Browse |
⊘No Antivirus matches
Name | IP | Active | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|---|
daisy.ubuntu.com | 162.213.35.24 | true | false |
| unknown |
eighteen.pirate | 38.60.249.66 | true | true | unknown |
- 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 |
---|---|---|---|---|---|---|
38.60.249.66 | eighteen.pirate | United States | 174 | COGENT-174US | true |
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
38.60.249.66 | 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 | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | Browse | |||
Get hash | malicious | Unknown | 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 | Mirai | Browse |
| ||
Get hash | malicious | Mirai, Moobot | Browse |
| ||
Get hash | malicious | Mirai, Moobot | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
eighteen.pirate | Get hash | malicious | Unknown | Browse |
| |
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Unknown | Browse |
|
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
COGENT-174US | Get hash | malicious | Unknown | Browse |
| |
Get hash | malicious | Mirai, Moobot | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
|
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 5.25986768030337 |
TrID: |
|
File name: | na.elf |
File size: | 81'436 bytes |
MD5: | 00a9ae1db130ee9c421bda3d63acaa9e |
SHA1: | 4e54df2cd570a13dcc2b9990fa3fe2623bca3ba4 |
SHA256: | 62e098592f3d6467df64e3cf1d86880a74431ab9f06b96bb2b15b4b621f73836 |
SHA512: | a1728f4a9bcef866f9676c2f309a8615f1b08887ee9e6e0c07a6e8f91a4516175037d1988213dda34031d6c3479ab2045253c11e87b639f6e6dad14c1c4fca1d |
SSDEEP: | 1536:yG9ttZx7oMi+GAUJXC6H5yNQJBg/cLrVCqbJo6zhuWWZG72CJ:yYtlQG0ydQTg/U0sWq |
TLSH: | 8183950ABF640EBBEC2BDD3705B51B45348C641B22A97F367934D928F95A14B09E3C74 |
File Content Preview: | .ELF....................`.@.4....<......4. ...(...............@...@..#...#...............0...0E..0E......N..........Q.td...............................<...'!......'.......................<...'!... .........9'.. ........................<...'!.............9 |
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: | 80916 |
Section Header Size: | 40 |
Number of Section Headers: | 13 |
Header String Table Index: | 12 |
Name | Type | Address | Offset | Size | EntSize | Flags | Flags Description | Link | Info | Align |
---|---|---|---|---|---|---|---|---|---|---|
NULL | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0 | 0 | 0 | ||
.init | PROGBITS | 0x400094 | 0x94 | 0x8c | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.text | PROGBITS | 0x400120 | 0x120 | 0x11520 | 0x0 | 0x6 | AX | 0 | 0 | 16 |
.fini | PROGBITS | 0x411640 | 0x11640 | 0x5c | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.rodata | PROGBITS | 0x4116a0 | 0x116a0 | 0xd50 | 0x0 | 0x2 | A | 0 | 0 | 16 |
.ctors | PROGBITS | 0x453000 | 0x13000 | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.dtors | PROGBITS | 0x453008 | 0x13008 | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.data.rel.ro | PROGBITS | 0x453014 | 0x13014 | 0x42c | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.data | PROGBITS | 0x453440 | 0x13440 | 0x340 | 0x0 | 0x3 | WA | 0 | 0 | 16 |
.got | PROGBITS | 0x453780 | 0x13780 | 0x43c | 0x4 | 0x10000003 | WAp | 0 | 0 | 16 |
.sbss | NOBITS | 0x453bbc | 0x13bbc | 0x20 | 0x0 | 0x10000003 | WAp | 0 | 0 | 4 |
.bss | NOBITS | 0x453be0 | 0x13bbc | 0x42d8 | 0x0 | 0x3 | WA | 0 | 0 | 16 |
.shstrtab | STRTAB | 0x0 | 0x13bbc | 0x56 | 0x0 | 0x0 | 0 | 0 | 1 |
Type | Offset | Virtual Address | Physical Address | File Size | Memory Size | Entropy | Flags | Flags Description | Align | Prog Interpreter | Section Mappings |
---|---|---|---|---|---|---|---|---|---|---|---|
LOAD | 0x0 | 0x400000 | 0x400000 | 0x123f0 | 0x123f0 | 5.3790 | 0x5 | R E | 0x10000 | .init .text .fini .rodata | |
LOAD | 0x13000 | 0x453000 | 0x453000 | 0xbbc | 0x4eb8 | 4.6061 | 0x6 | RW | 0x10000 | .ctors .dtors .data.rel.ro .data .got .sbss .bss | |
GNU_STACK | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0.0000 | 0x7 | RWE | 0x4 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Oct 13, 2024 15:24:59.250475883 CEST | 32896 | 32876 | 192.168.2.13 | 38.60.249.66 |
Oct 13, 2024 15:24:59.255608082 CEST | 32876 | 32896 | 38.60.249.66 | 192.168.2.13 |
Oct 13, 2024 15:24:59.255675077 CEST | 32896 | 32876 | 192.168.2.13 | 38.60.249.66 |
Oct 13, 2024 15:24:59.266845942 CEST | 32896 | 32876 | 192.168.2.13 | 38.60.249.66 |
Oct 13, 2024 15:24:59.271867037 CEST | 32876 | 32896 | 38.60.249.66 | 192.168.2.13 |
Oct 13, 2024 15:25:03.369333982 CEST | 32876 | 32896 | 38.60.249.66 | 192.168.2.13 |
Oct 13, 2024 15:25:03.369628906 CEST | 32896 | 32876 | 192.168.2.13 | 38.60.249.66 |
Oct 13, 2024 15:25:18.384114981 CEST | 32896 | 32876 | 192.168.2.13 | 38.60.249.66 |
Oct 13, 2024 15:25:18.389852047 CEST | 32876 | 32896 | 38.60.249.66 | 192.168.2.13 |
Oct 13, 2024 15:25:34.244199991 CEST | 32876 | 32896 | 38.60.249.66 | 192.168.2.13 |
Oct 13, 2024 15:25:34.244757891 CEST | 32896 | 32876 | 192.168.2.13 | 38.60.249.66 |
Oct 13, 2024 15:26:16.318609953 CEST | 32876 | 32896 | 38.60.249.66 | 192.168.2.13 |
Oct 13, 2024 15:26:16.319061995 CEST | 32896 | 32876 | 192.168.2.13 | 38.60.249.66 |
Oct 13, 2024 15:26:56.198467970 CEST | 32876 | 32896 | 38.60.249.66 | 192.168.2.13 |
Oct 13, 2024 15:26:56.198887110 CEST | 32896 | 32876 | 192.168.2.13 | 38.60.249.66 |
Oct 13, 2024 15:27:11.212249994 CEST | 32896 | 32876 | 192.168.2.13 | 38.60.249.66 |
Oct 13, 2024 15:27:11.217757940 CEST | 32876 | 32896 | 38.60.249.66 | 192.168.2.13 |
Oct 13, 2024 15:27:59.403026104 CEST | 32876 | 32896 | 38.60.249.66 | 192.168.2.13 |
Oct 13, 2024 15:27:59.403197050 CEST | 32896 | 32876 | 192.168.2.13 | 38.60.249.66 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Oct 13, 2024 15:24:59.222220898 CEST | 59265 | 53 | 192.168.2.13 | 116.203.104.203 |
Oct 13, 2024 15:24:59.232215881 CEST | 53 | 59265 | 116.203.104.203 | 192.168.2.13 |
Oct 13, 2024 15:27:41.765984058 CEST | 47477 | 53 | 192.168.2.13 | 1.1.1.1 |
Oct 13, 2024 15:27:41.766302109 CEST | 53633 | 53 | 192.168.2.13 | 1.1.1.1 |
Oct 13, 2024 15:27:41.774025917 CEST | 53 | 53633 | 1.1.1.1 | 192.168.2.13 |
Oct 13, 2024 15:27:41.774832964 CEST | 53 | 47477 | 1.1.1.1 | 192.168.2.13 |
Timestamp | Source IP | Dest IP | Trans ID | OP Code | Name | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|
Oct 13, 2024 15:24:59.222220898 CEST | 192.168.2.13 | 116.203.104.203 | 0x7d64 | Standard query (0) | A (IP address) | IN (0x0001) | false | |
Oct 13, 2024 15:27:41.765984058 CEST | 192.168.2.13 | 1.1.1.1 | 0x6018 | Standard query (0) | A (IP address) | IN (0x0001) | false | |
Oct 13, 2024 15:27:41.766302109 CEST | 192.168.2.13 | 1.1.1.1 | 0x8f7a | Standard query (0) | 28 | IN (0x0001) | false |
Timestamp | Source IP | Dest IP | Trans ID | Reply Code | Name | CName | Address | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|---|---|
Oct 13, 2024 15:24:59.232215881 CEST | 116.203.104.203 | 192.168.2.13 | 0x7d64 | No error (0) | 38.60.249.66 | A (IP address) | IN (0x0001) | false | ||
Oct 13, 2024 15:27:41.774832964 CEST | 1.1.1.1 | 192.168.2.13 | 0x6018 | No error (0) | 162.213.35.24 | A (IP address) | IN (0x0001) | false | ||
Oct 13, 2024 15:27:41.774832964 CEST | 1.1.1.1 | 192.168.2.13 | 0x6018 | No error (0) | 162.213.35.25 | A (IP address) | IN (0x0001) | false |
System Behavior
Start time (UTC): | 13:24:57 |
Start date (UTC): | 13/10/2024 |
Path: | /tmp/na.elf |
Arguments: | /tmp/na.elf |
File size: | 5773336 bytes |
MD5 hash: | 0d6f61f82cf2f781c6eb0661071d42d9 |
Start time (UTC): | 13:24:58 |
Start date (UTC): | 13/10/2024 |
Path: | /tmp/na.elf |
Arguments: | - |
File size: | 5773336 bytes |
MD5 hash: | 0d6f61f82cf2f781c6eb0661071d42d9 |
Start time (UTC): | 13:24:58 |
Start date (UTC): | 13/10/2024 |
Path: | /tmp/na.elf |
Arguments: | - |
File size: | 5773336 bytes |
MD5 hash: | 0d6f61f82cf2f781c6eb0661071d42d9 |
Start time (UTC): | 13:24:58 |
Start date (UTC): | 13/10/2024 |
Path: | /tmp/na.elf |
Arguments: | - |
File size: | 5773336 bytes |
MD5 hash: | 0d6f61f82cf2f781c6eb0661071d42d9 |