MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a691b19ec6bae1908d86bedd3c3c1a900479469091a03afa2e57774d8026e4f. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Mirai


Vendor detections: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: 3a691b19ec6bae1908d86bedd3c3c1a900479469091a03afa2e57774d8026e4f
SHA3-384 hash: c875c0502eace3cca150a4ab79d5bc088703d246b2980584d516a30fb469209f210d427e5a6f4e2e4933bf5c8cf86c50
SHA1 hash: 588afdadd45aa94ad6c7932424ba4036a8d64c1b
MD5 hash: 7a9862b12f39c9ac5f8ac2a4b7cacf3f
humanhash: idaho-cup-angel-salami
File name:larm4
Download: download sample
Signature Mirai
File size:47'880 bytes
First seen:2025-08-16 17:49:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:t5B2swZwPLMWQ1rRmKPG6pJtDQF5HzLpteIjsUksVVILr8L3UGc:trTP4rRm6G6b9Q3HzNsIjsUkwVbc
TLSH T1F723F2642824218CCDA51D78D77944D0759E21B0BD3AF2143A2DED66DBA3F487FACEC2
telfhash t1f3900240266451d19919e83442a5c57589fd005e441848c112a9188c0867cc1129d17d
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Status:
terminated
Behavior Graph:
%3 guuid=42c7032c-1c00-0000-8425-c7a92b090000 pid=2347 /usr/bin/sudo guuid=2cb5da2d-1c00-0000-8425-c7a92d090000 pid=2349 /tmp/sample.bin guuid=42c7032c-1c00-0000-8425-c7a92b090000 pid=2347->guuid=2cb5da2d-1c00-0000-8425-c7a92d090000 pid=2349 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
72 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758427 Sample: larm4.elf Startdate: 16/08/2025 Architecture: LINUX Score: 72 25 186.136.100.232, 23 TelecomArgentinaSAAR Argentina 2->25 27 192.136.197.241, 23 TWC-11427-TEXASUS United States 2->27 29 46 other IPs or domains 2->29 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Mirai 2->35 37 Connects to many ports of the same IP (likely port scanning) 2->37 8 larm4.elf 2->8         started        10 xfce4-session xfdesktop 2->10         started        12 xfce4-session xfce4-panel 2->12         started        14 10 other processes 2->14 signatures3 process4 process5 16 larm4.elf 8->16         started        process6 18 larm4.elf 16->18         started        21 larm4.elf 16->21         started        23 larm4.elf 16->23         started        signatures7 31 Sample tries to kill multiple processes (SIGKILL) 18->31
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Trojan.Svirtu
Status:
Malicious
First seen:
2025-08-16 17:50:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_antiunpack_elf32
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 3a691b19ec6bae1908d86bedd3c3c1a900479469091a03afa2e57774d8026e4f

(this sample)

  
Delivery method
Distributed via web download

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