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Linux
Analysis Report
na.elf
Overview
General Information
Sample name: | na.elf |
Analysis ID: | 1528915 |
MD5: | 2ba8a85df5d3b24700fc438197e1f47c |
SHA1: | c5c196a4886342f63b81d683d8edf32f12fc3ac7 |
SHA256: | 55f624875d6c2f35913ece345e1894b55c9060b8ed112ca70e7c9e2aa46f75a7 |
Tags: | elfuser-abuse_ch |
Infos: |
Detection
Score: | 52 |
Range: | 0 - 100 |
Whitelisted: | false |
Signatures
Opens /sys/class/net/* files useful for querying network interface information
Performs DNS TXT record lookups
Sample deletes itself
Detected TCP or UDP traffic on non-standard ports
Executes the "systemctl" command used for controlling the systemd system and service manager
Reads system version information
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)
Classification
Joe Sandbox version: | 41.0.0 Charoite |
Analysis ID: | 1528915 |
Start date and time: | 2024-10-08 13:02:12 +02:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 5m 18s |
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.spyw.evad.linELF@0/0@1/0 |
Command: | /tmp/na.elf |
PID: | 5698 |
Exit Code: | 0 |
Exit Code Info: | |
Killed: | False |
Standard Output: | Firmware update in progress |
Standard Error: |
- system is lnxubuntu20
- systemd New Fork (PID: 5740, Parent: 1)
- snap-failure New Fork (PID: 5753, Parent: 5740)
- snap-failure New Fork (PID: 5754, Parent: 5740)
- cleanup
⊘No yara matches
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
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: | 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: | 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: | .symtab present: |
Source: | Classification label: |
Source: | Systemctl executable: | Jump to behavior |
Source: | Reads version info: | Jump to behavior |
Hooking and other Techniques for Hiding and Protection |
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Source: | File: | Jump to behavior |
Source: | Queries kernel information via 'uname': | 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: |
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 | 1 Systemd Service | 1 Systemd Service | 1 File Deletion | 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 | 1 System Information 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
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
3% | ReversingLabs | Linux.Trojan.Mirai |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
Name | IP | Active | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|---|
iranistrash.libre | unknown | unknown | 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 |
---|---|---|---|---|---|---|
5.230.122.82 | unknown | Germany | 12586 | ASGHOSTNETDE | false | |
172.217.192.127 | unknown | United States | 15169 | GOOGLEUS | false | |
5.230.228.46 | unknown | Germany | 12586 | ASGHOSTNETDE | false |
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
5.230.122.82 | 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 | |||
5.230.228.46 | 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 |
⊘No context
Match | Associated Sample Name / URL | SHA 256 | Detection | Threat Name | Link | Context |
---|---|---|---|---|---|---|
ASGHOSTNETDE | Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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ASGHOSTNETDE | Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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Get hash | malicious | Unknown | Browse |
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⊘No context
⊘No context
⊘No created / dropped files found
File type: | |
Entropy (8bit): | 6.050535699140847 |
TrID: |
|
File name: | na.elf |
File size: | 83'180 bytes |
MD5: | 2ba8a85df5d3b24700fc438197e1f47c |
SHA1: | c5c196a4886342f63b81d683d8edf32f12fc3ac7 |
SHA256: | 55f624875d6c2f35913ece345e1894b55c9060b8ed112ca70e7c9e2aa46f75a7 |
SHA512: | ec1ff94b71f00d3178fa00aeb7ff445c9058a87ac68884aaba3042a7906216fdedb5b754b871d259c0cddb2d2351b0ccbd8cfc6a248eaa23119a2274f8e9159a |
SSDEEP: | 1536:txGnjzXTp2NIRoPUHCdeJTYmxU3kkqMA1ztBl/+WmtOwDrOOt:txyDdM0Cde629Btm1DrOOt |
TLSH: | 43836C21AAB61E27C1D0B57921F74326F2F50B4919A8CA1F7E610E8EFF6556032077BC |
File Content Preview: | .ELF...........................4..C......4. ...(......................?...?...............@...@...@.......*X........dt.Q................................@..(....@.M.................#.....b...`.....!..... ...@.....".........`......$ ... ...@...........`.... |
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: | 82700 |
Section Header Size: | 40 |
Number of Section Headers: | 12 |
Header String Table Index: | 11 |
Name | Type | Address | Offset | Size | EntSize | Flags | Flags Description | Link | Info | Align |
---|---|---|---|---|---|---|---|---|---|---|
NULL | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0 | 0 | 0 | ||
.init | PROGBITS | 0x10094 | 0x94 | 0x1c | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.text | PROGBITS | 0x100b0 | 0xb0 | 0x13718 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.fini | PROGBITS | 0x237c8 | 0x137c8 | 0x14 | 0x0 | 0x6 | AX | 0 | 0 | 4 |
.rodata | PROGBITS | 0x237e0 | 0x137e0 | 0x7d8 | 0x0 | 0x2 | A | 0 | 0 | 8 |
.eh_frame | PROGBITS | 0x34000 | 0x14000 | 0x4 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.ctors | PROGBITS | 0x34004 | 0x14004 | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.dtors | PROGBITS | 0x3400c | 0x1400c | 0x8 | 0x0 | 0x3 | WA | 0 | 0 | 4 |
.got | PROGBITS | 0x34018 | 0x14018 | 0xd4 | 0x4 | 0x3 | WA | 0 | 0 | 4 |
.data | PROGBITS | 0x340f0 | 0x140f0 | 0x1cc | 0x0 | 0x3 | WA | 0 | 0 | 8 |
.bss | NOBITS | 0x342c0 | 0x142bc | 0x2798 | 0x0 | 0x3 | WA | 0 | 0 | 8 |
.shstrtab | STRTAB | 0x0 | 0x142bc | 0x4d | 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 | 0x10000 | 0x10000 | 0x13fb8 | 0x13fb8 | 6.0745 | 0x5 | R E | 0x10000 | .init .text .fini .rodata | |
LOAD | 0x14000 | 0x34000 | 0x34000 | 0x2bc | 0x2a58 | 3.0593 | 0x6 | RW | 0x10000 | .eh_frame .ctors .dtors .got .data .bss | |
GNU_STACK | 0x0 | 0x0 | 0x0 | 0x0 | 0x0 | 0.0000 | 0x6 | RW | 0x4 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Oct 8, 2024 13:03:55.408366919 CEST | 47052 | 554 | 192.168.2.13 | 5.230.228.46 |
Oct 8, 2024 13:03:55.413480997 CEST | 554 | 47052 | 5.230.228.46 | 192.168.2.13 |
Oct 8, 2024 13:03:55.413558006 CEST | 47052 | 554 | 192.168.2.13 | 5.230.228.46 |
Oct 8, 2024 13:03:55.414005041 CEST | 47052 | 554 | 192.168.2.13 | 5.230.228.46 |
Oct 8, 2024 13:03:55.419698954 CEST | 554 | 47052 | 5.230.228.46 | 192.168.2.13 |
Oct 8, 2024 13:04:05.424562931 CEST | 47052 | 554 | 192.168.2.13 | 5.230.228.46 |
Oct 8, 2024 13:04:05.475162983 CEST | 554 | 47052 | 5.230.228.46 | 192.168.2.13 |
Oct 8, 2024 13:04:06.427366018 CEST | 60912 | 3724 | 192.168.2.13 | 5.230.122.82 |
Oct 8, 2024 13:04:07.456284046 CEST | 60912 | 3724 | 192.168.2.13 | 5.230.122.82 |
Oct 8, 2024 13:04:07.861440897 CEST | 3724 | 60912 | 5.230.122.82 | 192.168.2.13 |
Oct 8, 2024 13:04:07.861644983 CEST | 60912 | 3724 | 192.168.2.13 | 5.230.122.82 |
Oct 8, 2024 13:04:07.861917973 CEST | 60912 | 3724 | 192.168.2.13 | 5.230.122.82 |
Oct 8, 2024 13:04:07.862049103 CEST | 3724 | 60912 | 5.230.122.82 | 192.168.2.13 |
Oct 8, 2024 13:04:07.862190008 CEST | 60912 | 3724 | 192.168.2.13 | 5.230.122.82 |
Oct 8, 2024 13:04:07.867278099 CEST | 3724 | 60912 | 5.230.122.82 | 192.168.2.13 |
Oct 8, 2024 13:04:08.515744925 CEST | 3724 | 60912 | 5.230.122.82 | 192.168.2.13 |
Oct 8, 2024 13:04:08.515820026 CEST | 60912 | 3724 | 192.168.2.13 | 5.230.122.82 |
Oct 8, 2024 13:04:16.789127111 CEST | 554 | 47052 | 5.230.228.46 | 192.168.2.13 |
Oct 8, 2024 13:04:16.789287090 CEST | 47052 | 554 | 192.168.2.13 | 5.230.228.46 |
Oct 8, 2024 13:05:48.609359026 CEST | 60912 | 3724 | 192.168.2.13 | 5.230.122.82 |
Oct 8, 2024 13:05:48.614435911 CEST | 3724 | 60912 | 5.230.122.82 | 192.168.2.13 |
Timestamp | Source Port | Dest Port | Source IP | Dest IP |
---|---|---|---|---|
Oct 8, 2024 13:03:54.736846924 CEST | 49041 | 3478 | 192.168.2.13 | 172.217.192.127 |
Oct 8, 2024 13:03:55.378196955 CEST | 3478 | 49041 | 172.217.192.127 | 192.168.2.13 |
Oct 8, 2024 13:03:55.385791063 CEST | 52300 | 53 | 192.168.2.13 | 37.252.191.197 |
Oct 8, 2024 13:03:55.406343937 CEST | 53 | 52300 | 37.252.191.197 | 192.168.2.13 |
Timestamp | Source IP | Dest IP | Trans ID | OP Code | Name | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|
Oct 8, 2024 13:03:55.385791063 CEST | 192.168.2.13 | 37.252.191.197 | 0x3b65 | Standard query (0) | 16 | IN (0x0001) | false |
Timestamp | Source IP | Dest IP | Trans ID | Reply Code | Name | CName | Address | Type | Class | DNS over HTTPS |
---|---|---|---|---|---|---|---|---|---|---|
Oct 8, 2024 13:03:55.406343937 CEST | 37.252.191.197 | 192.168.2.13 | 0x3b65 | No error (0) | TXT (Text strings) | IN (0x0001) | false |
System Behavior
Start time (UTC): | 11:03:50 |
Start date (UTC): | 08/10/2024 |
Path: | /tmp/na.elf |
Arguments: | /tmp/na.elf |
File size: | 4379400 bytes |
MD5 hash: | 7dc1c0e23cd5e102bb12e5c29403410e |
Start time (UTC): | 11:03:53 |
Start date (UTC): | 08/10/2024 |
Path: | /tmp/na.elf |
Arguments: | - |
File size: | 4379400 bytes |
MD5 hash: | 7dc1c0e23cd5e102bb12e5c29403410e |
Start time (UTC): | 11:03:54 |
Start date (UTC): | 08/10/2024 |
Path: | /tmp/na.elf |
Arguments: | - |
File size: | 4379400 bytes |
MD5 hash: | 7dc1c0e23cd5e102bb12e5c29403410e |
Start time (UTC): | 11:04:30 |
Start date (UTC): | 08/10/2024 |
Path: | /usr/lib/systemd/systemd |
Arguments: | - |
File size: | 1620224 bytes |
MD5 hash: | 9b2bec7092a40488108543f9334aab75 |
Start time (UTC): | 11:04:30 |
Start date (UTC): | 08/10/2024 |
Path: | /usr/lib/snapd/snap-failure |
Arguments: | /usr/lib/snapd/snap-failure snapd |
File size: | 4764904 bytes |
MD5 hash: | 69136a7d575731ce62349f2e4d3e5c36 |
Start time (UTC): | 11:04:30 |
Start date (UTC): | 08/10/2024 |
Path: | /usr/lib/snapd/snap-failure |
Arguments: | - |
File size: | 4764904 bytes |
MD5 hash: | 69136a7d575731ce62349f2e4d3e5c36 |
Start time (UTC): | 11:04:30 |
Start date (UTC): | 08/10/2024 |
Path: | /usr/bin/systemctl |
Arguments: | systemctl stop snapd.socket |
File size: | 996584 bytes |
MD5 hash: | 4deddfb6741481f68aeac522cc26ff4b |
Start time (UTC): | 11:04:30 |
Start date (UTC): | 08/10/2024 |
Path: | /usr/lib/snapd/snap-failure |
Arguments: | - |
File size: | 4764904 bytes |
MD5 hash: | 69136a7d575731ce62349f2e4d3e5c36 |