MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d756448ef43b8640911a7171bc2c1864646289ab7cd8eb541cd0b6f61fc44591. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: d756448ef43b8640911a7171bc2c1864646289ab7cd8eb541cd0b6f61fc44591
SHA3-384 hash: 59b2b00a01197b2d85a0b3fd2ecfd9f051ff1fccd555e0cfb1324e9de1bd54af4cbcb566523dd398e76be2c7f38d762a
SHA1 hash: 58e8d12fafa93e62d3d349bead40da338e6b69f0
MD5 hash: 67cce5c64baa8b8b6408750378dea2da
humanhash: fanta-island-enemy-march
File name:catgirl.x86
Download: download sample
Signature Mirai
File size:103'700 bytes
First seen:2026-02-07 19:06:17 UTC
Last seen:2026-02-08 00:09:11 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:MkpX3ickOw+cmDkCyzLg9Q39YWdSNaZ32noOO+LKCaFOBigLS8VorTWGQ:MkUbIaRngh6SNaQoELNaYcgQTNQ
TLSH T13DA35A48FB83D0F9F29344F2026BE7AB56308D149016EBE5FB0E3635BCB1716494A66D
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 :
3
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-27T20:01:00Z UTC
Last seen:
2026-02-03T05:48:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=47ec566d-2400-0000-80db-61e0e90e0000 pid=3817 /usr/bin/sudo guuid=3e8fec6e-2400-0000-80db-61e0f10e0000 pid=3825 /tmp/sample.bin delete-file write-config write-file guuid=47ec566d-2400-0000-80db-61e0e90e0000 pid=3817->guuid=3e8fec6e-2400-0000-80db-61e0f10e0000 pid=3825 execve guuid=25fc796f-2400-0000-80db-61e0f40e0000 pid=3828 /tmp/sample.bin net send-data zombie guuid=3e8fec6e-2400-0000-80db-61e0f10e0000 pid=3825->guuid=25fc796f-2400-0000-80db-61e0f40e0000 pid=3828 clone bb1cceb4-fb05-5722-9467-3035fd8dcda6 185.165.169.235:1900 guuid=25fc796f-2400-0000-80db-61e0f40e0000 pid=3828->bb1cceb4-fb05-5722-9467-3035fd8dcda6 send: 73B ab7b7b79-1dfc-52b2-b0c8-4756a62bd7f5 208.67.220.220:53 guuid=25fc796f-2400-0000-80db-61e0f40e0000 pid=3828->ab7b7b79-1dfc-52b2-b0c8-4756a62bd7f5 send: 37B
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-28 01:51:56 UTC
File Type:
ELF32 Little (SO)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Modifies init.d
Modifies systemd
Deletes itself
Modifies Watchdog functionality
Unexpected DNS network traffic destination
Adds new SSH keys
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:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:F01_s1ckrule
Author:s1ckb017
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 d756448ef43b8640911a7171bc2c1864646289ab7cd8eb541cd0b6f61fc44591

(this sample)

  
Delivery method
Distributed via web download

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