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Linux
Analysis Report
i686.elf
Overview
General Information
Sample name: | i686.elf |
Analysis ID: | 1575428 |
MD5: | 515d44449575fb5f6e1cc10698c09189 |
SHA1: | a27023ffcc67f3ffe6a80f3d8a4b1cca886d363d |
SHA256: | a262c2a7c581c95058ddfd0bcd30c20e856e036d5170f3c625d76e221db6d882 |
Tags: | elfuser-abuse_ch |
Infos: |
Detection
Score: | 72 |
Range: | 0 - 100 |
Whitelisted: | false |
Signatures
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Machine Learning detection for sample
Opens /sys/class/net/* files useful for querying network interface information
Performs DNS TXT record lookups
Sample deletes itself
Sample has stripped symbol table
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match
Classification
Joe Sandbox version: | 41.0.0 Charoite |
Analysis ID: | 1575428 |
Start date and time: | 2024-12-15 14:58:56 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 58s |
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: | i686.elf |
Detection: | MAL |
Classification: | mal72.spyw.evad.linELF@0/0@1/0 |
Command: | /tmp/i686.elf |
PID: | 6280 |
Exit Code: | 0 |
Exit Code Info: | |
Killed: | False |
Standard Output: | Firmware update in progress |
Standard Error: |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Linux_Trojan_Mirai_cc93863b | unknown | unknown |
|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Linux_Trojan_Mirai_cc93863b | unknown | unknown |
|
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Virustotal: | Perma Link |
Source: | Joe Sandbox ML: |
Networking |
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Source: | Opens: | Jump to behavior | ||
Source: | Opens: | Jump to behavior | ||
Source: | Opens: | Jump to behavior | ||
Source: | Opens: | Jump to behavior |
Source: | TCP traffic: | ||
Source: | TCP traffic: |
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: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: |
Source: | DNS traffic detected: |
Source: | Network traffic detected: |
System Summary |
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Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | .symtab present: |
Source: | Matched rule: | ||
Source: | Matched rule: |
Source: | Classification label: |
Hooking and other Techniques for Hiding and Protection |
---|
Source: | File: | Jump to behavior |
Source: | Queries kernel information via 'uname': | Jump to behavior |
HIPS / PFW / Operating System Protection Evasion |
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Source: | DNS traffic detected: |
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 | 1 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
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
15% | Virustotal | Browse | ||
11% | ReversingLabs | Linux.Trojan.Mirai | ||
100% | Joe Sandbox ML |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
Name | IP | Active | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|---|
iranistrash.libre | unknown | unknown | 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 |
---|---|---|---|---|---|---|
5.230.33.236 | unknown | Germany | 12586 | ASGHOSTNETDE | false | |
109.202.202.202 | unknown | Switzerland | 13030 | INIT7CH | false | |
172.217.192.127 | unknown | United States | 15169 | GOOGLEUS | false | |
91.189.91.42 | unknown | United Kingdom | 41231 | CANONICAL-ASGB | false |
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
5.230.33.236 | Get hash | malicious | Unknown | Browse | ||
109.202.202.202 | Get hash | malicious | Unknown | Browse |
| |
91.189.91.42 | Get hash | malicious | Unknown | Browse | ||
Get hash | malicious | Shikitega | Browse | |||
Get hash | malicious | ConnectBack | Browse | |||
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 | Mirai | Browse | |||
Get hash | malicious | Mirai | Browse |
⊘No context
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
CANONICAL-ASGB | Get hash | malicious | Unknown | Browse |
| |
Get hash | malicious | Shikitega | Browse |
| ||
Get hash | malicious | ConnectBack | Browse |
| ||
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 | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
INIT7CH | Get hash | malicious | Unknown | Browse |
| |
Get hash | malicious | Shikitega | Browse |
| ||
Get hash | malicious | ConnectBack | Browse |
| ||
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 | Mirai | Browse |
| ||
Get hash | malicious | Mirai | Browse |
| ||
ASGHOSTNETDE | 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 | Mirai, Okiru | Browse |
|
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 6.330152008160656 |
TrID: |
|
File name: | i686.elf |
File size: | 66'212 bytes |
MD5: | 515d44449575fb5f6e1cc10698c09189 |
SHA1: | a27023ffcc67f3ffe6a80f3d8a4b1cca886d363d |
SHA256: | a262c2a7c581c95058ddfd0bcd30c20e856e036d5170f3c625d76e221db6d882 |
SHA512: | 491166e8bc8858c6b83283179e31e12501d19b2c0c80d49a11e5f6b3a6ad5de3b6b66178c91aacbb109e51bfe3719c98e5b0d8f8f8f6db4112c00de04e9b0cd6 |
SSDEEP: | 768:JD3UKOqcPkfKmL0XSodeE/fg7BWo0vjwZ2nvP3NtA+Th8HRolbzF12LDm3oRyXsg:FkbkiC4J3n8BWDN3ZSS1uyXskmXsU |
TLSH: | AB534CC5B90B81F1D4274A7481ABF67FCF30E57A5020894EEF9CEE39CE77985660424A |
File Content Preview: | .ELF....................h...4...........4. ...(..................... ... ...............$...$...$.......|...........Q.td............................U..S............h........[]...$.............U......=.....t..1....H......H.......u........t...$ ............ |
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: | 65812 |
Section Header Size: | 40 |
Number of Section Headers: | 10 |
Header String Table Index: | 9 |
Name | Type | Address | Offset | Size | EntSize | Flags | Flags Description | Link | Info | Align |
---|---|---|---|---|---|---|---|---|---|---|
NULL | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0 | 0 | 0 | ||
.init | PROGBITS | 0x8048094 | 0x94 | 0x1c | 0x0 | 0x6 | AX | 0 | 0 | 1 |
.text | PROGBITS | 0x80480b0 | 0xb0 | 0xf521 | 0x0 | 0x6 | AX | 0 | 0 | 16 |
.fini | PROGBITS | 0x80575d1 | 0xf5d1 | 0x17 | 0x0 | 0x6 | AX | 0 | 0 | 1 |
.rodata | PROGBITS | 0x8057600 | 0xf600 | 0xa20 | 0x0 | 0x2 | A | 0 | 0 | 32 |
.ctors | PROGBITS | 0x8059024 | 0x10024 | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.dtors | PROGBITS | 0x805902c | 0x1002c | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.data | PROGBITS | 0x8059044 | 0x10044 | 0x90 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.bss | NOBITS | 0x80590e0 | 0x100d4 | 0x17c0 | 0x0 | 0x3 | WA | 0 | 0 | 32 |
.shstrtab | STRTAB | 0x0 | 0x100d4 | 0x3e | 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 | 0x8048000 | 0x8048000 | 0x10020 | 0x10020 | 6.3481 | 0x5 | R E | 0x1000 | .init .text .fini .rodata | |
LOAD | 0x10024 | 0x8059024 | 0x8059024 | 0xb0 | 0x187c | 2.3151 | 0x6 | RW | 0x1000 | .ctors .dtors .data .bss | |
GNU_STACK | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0.0000 | 0x6 | RW | 0x4 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Dec 15, 2024 15:00:11.533113956 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Dec 15, 2024 15:00:16.907692909 CET | 39216 | 5223 | 192.168.2.23 | 5.230.33.236 |
Dec 15, 2024 15:00:17.027827978 CET | 5223 | 39216 | 5.230.33.236 | 192.168.2.23 |
Dec 15, 2024 15:00:17.027904034 CET | 39216 | 5223 | 192.168.2.23 | 5.230.33.236 |
Dec 15, 2024 15:00:17.027956963 CET | 39216 | 5223 | 192.168.2.23 | 5.230.33.236 |
Dec 15, 2024 15:00:17.148005009 CET | 5223 | 39216 | 5.230.33.236 | 192.168.2.23 |
Dec 15, 2024 15:00:18.365300894 CET | 5223 | 39216 | 5.230.33.236 | 192.168.2.23 |
Dec 15, 2024 15:00:18.365757942 CET | 39216 | 5223 | 192.168.2.23 | 5.230.33.236 |
Dec 15, 2024 15:00:30.218823910 CET | 42516 | 80 | 192.168.2.23 | 109.202.202.202 |
Dec 15, 2024 15:00:32.266557932 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Dec 15, 2024 15:01:13.220737934 CET | 43928 | 443 | 192.168.2.23 | 91.189.91.42 |
Dec 15, 2024 15:01:28.408324957 CET | 39216 | 5223 | 192.168.2.23 | 5.230.33.236 |
Dec 15, 2024 15:01:28.528120995 CET | 5223 | 39216 | 5.230.33.236 | 192.168.2.23 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Dec 15, 2024 15:00:15.444576979 CET | 25830 | 3478 | 192.168.2.23 | 172.217.192.127 |
Dec 15, 2024 15:00:16.646178961 CET | 3478 | 25830 | 172.217.192.127 | 192.168.2.23 |
Dec 15, 2024 15:00:16.666752100 CET | 39671 | 53 | 192.168.2.23 | 202.61.197.122 |
Dec 15, 2024 15:00:16.907566071 CET | 53 | 39671 | 202.61.197.122 | 192.168.2.23 |
Timestamp | Source IP | Dest IP | Trans ID | OP Code | Name | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|
Dec 15, 2024 15:00:16.666752100 CET | 192.168.2.23 | 202.61.197.122 | 0xdd72 | Standard query (0) | 16 | IN (0x0001) | false |
Timestamp | Source IP | Dest IP | Trans ID | Reply Code | Name | CName | Address | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|---|---|
Dec 15, 2024 15:00:16.907566071 CET | 202.61.197.122 | 192.168.2.23 | 0xdd72 | No error (0) | TXT (Text strings) | IN (0x0001) | false |
System Behavior
Start time (UTC): | 14:00:12 |
Start date (UTC): | 15/12/2024 |
Path: | /tmp/i686.elf |
Arguments: | /tmp/i686.elf |
File size: | 66212 bytes |
MD5 hash: | 515d44449575fb5f6e1cc10698c09189 |
Start time (UTC): | 14:00:14 |
Start date (UTC): | 15/12/2024 |
Path: | /tmp/i686.elf |
Arguments: | - |
File size: | 66212 bytes |
MD5 hash: | 515d44449575fb5f6e1cc10698c09189 |
Start time (UTC): | 14:00:15 |
Start date (UTC): | 15/12/2024 |
Path: | /tmp/i686.elf |
Arguments: | - |
File size: | 66212 bytes |
MD5 hash: | 515d44449575fb5f6e1cc10698c09189 |