MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b930dde5a40a405988bb34af341c57d3e82502919d03c786e5bcc0295b22f27. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 3b930dde5a40a405988bb34af341c57d3e82502919d03c786e5bcc0295b22f27
SHA3-384 hash: f88bda8b701bfede2fbefe7f77f73e4eacbc5a6b37619597ec9e813875ba2a0dcb439edfdcdb7596216999a44d729dad
SHA1 hash: dbab798c8699aea72ba1dc36fcdab0a0a870a3df
MD5 hash: 906c1c4fef02c11007b23ae556e145ac
humanhash: saturn-timing-fix-steak
File name:fentarm5
Download: download sample
Signature Mirai
File size:35'028 bytes
First seen:2026-01-09 07:56:43 UTC
Last seen:2026-01-09 11:44:50 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:f/WwXGsXp1EuiUnMxihlqsMhoFdp6Ct7dWJbpwh5I31:iWpP9MgWsMh4dp6CT+bpwhe
TLSH T171F208A27CD16B2BC1D413BAEA6E468E333177E8D2CE3327C9114B503B8561F1DA6B41
telfhash t1c3e0ab01a874cb299dc7aa70dcad46a84a16a73b70534720ef44dbe4e83f064a309d8b
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 mirai

Intelligence


File Origin
# of uploads :
4
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-09T01:49:00Z UTC
Last seen:
2026-01-09T08:09:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=9e7782b5-1900-0000-ec92-bd4a70090000 pid=2416 /usr/bin/sudo guuid=bbe05bb7-1900-0000-ec92-bd4a72090000 pid=2418 /tmp/sample.bin guuid=9e7782b5-1900-0000-ec92-bd4a70090000 pid=2416->guuid=bbe05bb7-1900-0000-ec92-bd4a72090000 pid=2418 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847140 Sample: fentarm5.elf Startdate: 09/01/2026 Architecture: LINUX Score: 48 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 daisy.ubuntu.com 162.213.35.24, 40392, 443 CANONICAL-ASGB United States 2->16 18 54.171.230.55, 443, 60056 AMAZON-02US United States 2->18 20 Multi AV Scanner detection for submitted file 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 fentarm5.elf 2->12         started        signatures3 process4
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-09 06:15:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

Web download

Mirai

elf 3b930dde5a40a405988bb34af341c57d3e82502919d03c786e5bcc0295b22f27

(this sample)

  
Delivery method
Distributed via web download

Comments