MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b34c99612fce65d454c6506af39919fd4c458f2d82cc80ca689a61ab5128a376. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: b34c99612fce65d454c6506af39919fd4c458f2d82cc80ca689a61ab5128a376
SHA3-384 hash: d2d8e344008b8b927ce430a1c45e2483ae29b76f6a13d2b8dfbb96a5d8f713bcf84861459b9d6ad2e626a8aa200481c4
SHA1 hash: 38636fa1825951bc402c0caa20d8c10f2863d658
MD5 hash: bc509c3fcd9c5c16462ada65b9c2a299
humanhash: grey-chicken-pip-mountain
File name:ub8ehJSePAfc9FYqZIT6.i686
Download: download sample
Signature Mirai
File size:43'968 bytes
First seen:2026-01-11 07:36:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:3CPs81HBajkrL5m4z0XMOv8Min9iwePVTRoM+G7mWdD8Y34z13UbrlnbcuyD7UHZ:3YNAjkro4wXMYrE9iRV1oFGaWJ8W46bd
TLSH T15E13F162F510CE06EDACA0782C9F7A6F0B40E6FC56DA97272C883465DD75C9C3B285C2
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 UPX
File size (compressed) :43'968 bytes
File size (de-compressed) :109'576 bytes
Format:linux/i386
Unpacked file: 1d01293752ac3414d5ff259ffab7257b18deebc6997e2ca0f99016055e899ca6

Intelligence


File Origin
# of uploads :
1
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Runs as daemon
Receives data from a server
Locks files
Sends data to a server
DNS request
Creating a file in the %temp% directory
Connection attempt
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated packed upx
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=8ffeeedc-1800-0000-9c76-d2c4a6070000 pid=1958 /usr/bin/sudo guuid=ad8c3fe0-1800-0000-9c76-d2c4aa070000 pid=1962 /tmp/sample.bin delete-file net guuid=8ffeeedc-1800-0000-9c76-d2c4a6070000 pid=1958->guuid=ad8c3fe0-1800-0000-9c76-d2c4aa070000 pid=1962 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=ad8c3fe0-1800-0000-9c76-d2c4aa070000 pid=1962->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d42e33e1-1800-0000-9c76-d2c4ad070000 pid=1965 /tmp/sample.bin guuid=ad8c3fe0-1800-0000-9c76-d2c4aa070000 pid=1962->guuid=d42e33e1-1800-0000-9c76-d2c4ad070000 pid=1965 clone guuid=01fcdb1c-1900-0000-9c76-d2c409080000 pid=2057 /tmp/sample.bin guuid=ad8c3fe0-1800-0000-9c76-d2c4aa070000 pid=1962->guuid=01fcdb1c-1900-0000-9c76-d2c409080000 pid=2057 clone guuid=73a18458-1900-0000-9c76-d2c4a1080000 pid=2209 /tmp/sample.bin guuid=ad8c3fe0-1800-0000-9c76-d2c4aa070000 pid=1962->guuid=73a18458-1900-0000-9c76-d2c4a1080000 pid=2209 clone guuid=2c103394-1900-0000-9c76-d2c422090000 pid=2338 /tmp/sample.bin guuid=ad8c3fe0-1800-0000-9c76-d2c4aa070000 pid=1962->guuid=2c103394-1900-0000-9c76-d2c422090000 pid=2338 clone guuid=f8ba4694-1900-0000-9c76-d2c423090000 pid=2339 /tmp/sample.bin dns net send-data zombie guuid=ad8c3fe0-1800-0000-9c76-d2c4aa070000 pid=1962->guuid=f8ba4694-1900-0000-9c76-d2c423090000 pid=2339 clone guuid=f8ba4694-1900-0000-9c76-d2c423090000 pid=2339->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=f8ba4694-1900-0000-9c76-d2c423090000 pid=2339->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1786B 3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 weifang.serveftp.com:3778 guuid=f8ba4694-1900-0000-9c76-d2c423090000 pid=2339->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 235B
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-11 07:37:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf b34c99612fce65d454c6506af39919fd4c458f2d82cc80ca689a61ab5128a376

(this sample)

  
Delivery method
Distributed via web download

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