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Linux
Analysis Report
4GtFbR4O3j.elf
Overview
General Information
Sample name: | 4GtFbR4O3j.elfrenamed because original name is a hash value |
Original sample name: | 8264e58a77b9ca4424a8d9a9863e0ee6.elf |
Analysis ID: | 1432417 |
MD5: | 8264e58a77b9ca4424a8d9a9863e0ee6 |
SHA1: | 7d1446707b7db9ed4317637264f6414c9a151ff6 |
SHA256: | e1dbc46eea55f940b6f63822b88b45e4be4fd122deb867a55e13f7b3820678ec |
Tags: | 32armelfmirai |
Infos: | |
Detection
Gafgyt
Score: | 64 |
Range: | 0 - 100 |
Whitelisted: | false |
Signatures
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Deletes system log files
Manipulation of devices in /dev
Detected TCP or UDP traffic on non-standard ports
Sample has stripped symbol table
Sample listens on a socket
Uses the "uname" system call to query kernel version information (possible evasion)
Classification
Analysis Advice
Static ELF header machine description suggests that the sample might not execute correctly on this machine. |
Static ELF header machine description suggests that the sample might only run correctly on MIPS or ARM architectures. |
Joe Sandbox version: | 40.0.0 Tourmaline |
Analysis ID: | 1432417 |
Start date and time: | 2024-04-27 01:29:06 +02:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 4m 34s |
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: | 4GtFbR4O3j.elfrenamed because original name is a hash value |
Original Sample Name: | 8264e58a77b9ca4424a8d9a9863e0ee6.elf |
Detection: | MAL |
Classification: | mal64.troj.evad.linELF@0/0@1/0 |
- VT rate limit hit for: 4GtFbR4O3j.elf
Command: | /tmp/4GtFbR4O3j.elf |
PID: | 5433 |
Exit Code: | 0 |
Exit Code Info: | |
Killed: | False |
Standard Output: | guess what. you're retarded |
Standard Error: |
- system is lnxubuntu20
- 4GtFbR4O3j.elf New Fork (PID: 5435, Parent: 5433)
- 4GtFbR4O3j.elf New Fork (PID: 5437, Parent: 5435)
- 4GtFbR4O3j.elf New Fork (PID: 5439, Parent: 5435)
- 4GtFbR4O3j.elf New Fork (PID: 5440, Parent: 5435)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Bashlite, Gafgyt | Bashlite is a malware family which infects Linux systems in order to launch distributed denial-of-service attacks (DDoS). Originally it was also known under the name Bashdoor, but this term now refers to the exploit method used by the malware. It has been used to launch attacks of up to 400 Gbps. | No Attribution |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Gafgyt | Yara detected Gafgyt | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Gafgyt | Yara detected Gafgyt | Joe Security | ||
JoeSecurity_Gafgyt | Yara detected Gafgyt | Joe Security |
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | ReversingLabs: |
Source: | TCP traffic: |
Source: | Socket: | Jump to behavior |
Source: | UDP traffic detected without corresponding DNS query: |
Source: | DNS traffic detected: |
Source: | .symtab present: |
Source: | Classification label: |
Data Obfuscation |
---|
Source: | Deleted: | Jump to behavior |
Hooking and other Techniques for Hiding and Protection |
---|
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: |
Stealing of Sensitive Information |
---|
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: |
Remote Access Functionality |
---|
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: |
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 Indicator Removal | 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 | 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 | 1 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 |
---|---|---|---|---|
53% | ReversingLabs | Linux.Trojan.Mirai |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
Name | IP | Active | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|---|
servernoworky.geek | 94.156.248.18 | true | false | 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 |
---|---|---|---|---|---|---|
94.156.248.19 | unknown | Bulgaria | 34224 | NETERRA-ASBG | false |
⊘No context
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
servernoworky.geek | Get hash | malicious | Gafgyt | Browse |
|
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
NETERRA-ASBG | Get hash | malicious | Gafgyt | Browse |
| |
Get hash | malicious | Mirai | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | Amadey, RHADAMANTHYS | Browse |
| ||
Get hash | malicious | Unknown | Browse |
| ||
Get hash | malicious | HTMLPhisher | Browse |
| ||
Get hash | malicious | Unknown | Browse |
|
⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 5.4443429288231995 |
TrID: |
|
File name: | 4GtFbR4O3j.elf |
File size: | 158'368 bytes |
MD5: | 8264e58a77b9ca4424a8d9a9863e0ee6 |
SHA1: | 7d1446707b7db9ed4317637264f6414c9a151ff6 |
SHA256: | e1dbc46eea55f940b6f63822b88b45e4be4fd122deb867a55e13f7b3820678ec |
SHA512: | bd6f173a7837e9577e4c1299c6f02e846238c8bda49b36e455e2d0fc582f21ff9f8f33fe99fc86a5034e283ce86e7ac560881fd13b506b881233500a66e699ac |
SSDEEP: | 1536:eUtrfELBafrgY6UJ9DSWbTeplGAJLrRADM1kVTsXhb8qBAIOF5JXbJu05eleRow+:JlfUafrvHClGoAqkV4Rb8QYr00FosI |
TLSH: | 45F30845FC519F26C6D212BBFB4E428D372A17A8D3EE720389255F25378B85B0E77242 |
File Content Preview: | .ELF...a..........(.........4....i......4. ...(.....................(...(................ ... ... ...H..............Q.td..................................-...L."....w..........0@-.\P...0....S.0...P@...0... ....R......0...0...........0... ....R..... 0....S |
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: | 157968 |
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 | 0x8094 | 0x94 | 0x18 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.text | PROGBITS | 0x80b0 | 0xb0 | 0x1e034 | 0x0 | 0x6 | AX | 0 | 0 | 16 |
.fini | PROGBITS | 0x260e4 | 0x1e0e4 | 0x14 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.rodata | PROGBITS | 0x260f8 | 0x1e0f8 | 0x3430 | 0x0 | 0x2 | A | 0 | 0 | 4 |
.ctors | PROGBITS | 0x32000 | 0x22000 | 0xc | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.dtors | PROGBITS | 0x3200c | 0x2200c | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.data | PROGBITS | 0x32020 | 0x22020 | 0x48b0 | 0x0 | 0x3 | WA | 0 | 0 | 32 |
.bss | NOBITS | 0x368d0 | 0x268d0 | 0xd544 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.shstrtab | STRTAB | 0x0 | 0x268d0 | 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 | 0x8000 | 0x8000 | 0x21528 | 0x21528 | 5.9528 | 0x5 | R E | 0x8000 | .init .text .fini .rodata | |
LOAD | 0x22000 | 0x32000 | 0x32000 | 0x48d0 | 0x11e14 | 0.3714 | 0x6 | RW | 0x8000 | .ctors .dtors .data .bss | |
GNU_STACK | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0.0000 | 0x7 | RWE | 0x4 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Apr 27, 2024 01:29:52.542184114 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:29:52.803519964 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:29:52.803581953 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:29:52.803946018 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:29:53.073313951 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:29:53.073386908 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:29:53.335362911 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:30:07.805114031 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:30:08.066431046 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:30:08.066447973 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:30:08.066493034 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:30:23.331773996 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:30:23.331945896 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:30:38.596275091 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:30:38.596520901 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:30:53.858937979 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:30:53.859072924 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:31:09.122128963 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:31:09.122246981 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:31:24.388180017 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:31:24.388365030 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:31:38.139700890 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:31:38.407038927 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:31:38.407077074 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:31:38.407171965 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Apr 27, 2024 01:31:53.798988104 CEST | 5667 | 49468 | 94.156.248.19 | 192.168.2.13 |
Apr 27, 2024 01:31:53.799077988 CEST | 49468 | 5667 | 192.168.2.13 | 94.156.248.19 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Apr 27, 2024 01:29:47.956135988 CEST | 37493 | 53 | 192.168.2.13 | 51.77.149.139 |
Apr 27, 2024 01:29:52.541369915 CEST | 53 | 37493 | 51.77.149.139 | 192.168.2.13 |
Timestamp | Source IP | Dest IP | Trans ID | OP Code | Name | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|
Apr 27, 2024 01:29:47.956135988 CEST | 192.168.2.13 | 51.77.149.139 | 0x1f8c | Standard query (0) | A (IP address) | IN (0x0001) | false |
Timestamp | Source IP | Dest IP | Trans ID | Reply Code | Name | CName | Address | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|---|---|
Apr 27, 2024 01:29:52.541369915 CEST | 51.77.149.139 | 192.168.2.13 | 0x1f8c | No error (0) | 94.156.248.18 | A (IP address) | IN (0x0001) | false | ||
Apr 27, 2024 01:29:52.541369915 CEST | 51.77.149.139 | 192.168.2.13 | 0x1f8c | No error (0) | 91.92.254.116 | A (IP address) | IN (0x0001) | false | ||
Apr 27, 2024 01:29:52.541369915 CEST | 51.77.149.139 | 192.168.2.13 | 0x1f8c | No error (0) | 31.220.1.44 | A (IP address) | IN (0x0001) | false | ||
Apr 27, 2024 01:29:52.541369915 CEST | 51.77.149.139 | 192.168.2.13 | 0x1f8c | No error (0) | 85.239.33.65 | A (IP address) | IN (0x0001) | false | ||
Apr 27, 2024 01:29:52.541369915 CEST | 51.77.149.139 | 192.168.2.13 | 0x1f8c | No error (0) | 94.156.248.20 | A (IP address) | IN (0x0001) | false | ||
Apr 27, 2024 01:29:52.541369915 CEST | 51.77.149.139 | 192.168.2.13 | 0x1f8c | No error (0) | 94.156.248.19 | A (IP address) | IN (0x0001) | false |
System Behavior
Start time (UTC): | 23:29:46 |
Start date (UTC): | 26/04/2024 |
Path: | /tmp/4GtFbR4O3j.elf |
Arguments: | /tmp/4GtFbR4O3j.elf |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |
Start time (UTC): | 23:29:46 |
Start date (UTC): | 26/04/2024 |
Path: | /tmp/4GtFbR4O3j.elf |
Arguments: | - |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |
Start time (UTC): | 23:29:46 |
Start date (UTC): | 26/04/2024 |
Path: | /tmp/4GtFbR4O3j.elf |
Arguments: | - |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |
Start time (UTC): | 23:29:46 |
Start date (UTC): | 26/04/2024 |
Path: | /tmp/4GtFbR4O3j.elf |
Arguments: | - |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |
Start time (UTC): | 23:29:46 |
Start date (UTC): | 26/04/2024 |
Path: | /tmp/4GtFbR4O3j.elf |
Arguments: | - |
File size: | 4956856 bytes |
MD5 hash: | 5ebfcae4fe2471fcc5695c2394773ff1 |