MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f75cf6f032a015fd51dee0e002a2ea73c09e494c6e9605499daccd1842dcdaf1. 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: f75cf6f032a015fd51dee0e002a2ea73c09e494c6e9605499daccd1842dcdaf1
SHA3-384 hash: 4f7d2170d61fd2e49c91e13eddfbd2f14af3617b584ca73809bd5ebcd56747481ee24eac33c19e95cfa31963875d1aac
SHA1 hash: aa56a5c865ef4837b50f93eff6c0d82d58668ffe
MD5 hash: b783591c6a636ad74e2932e0b0d313ec
humanhash: sweet-queen-violet-fruit
File name:sh4
Download: download sample
Signature Mirai
File size:131'172 bytes
First seen:2025-07-14 14:46:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:uR7ew/lC1Ch6QMhyMnx8vSozkgIQWSiYA7UiGU:Wt/c1Ch6QMhyMybiSiUiB
TLSH T178D35AB3CC262F58C664D6B1B1768F792B53991141872FBE65ABC2748083DCDF6093B8
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 :
20
Origin country :
DE DE
Vendor Threat Intelligence
Status:
terminated
Behavior Graph:
%3 guuid=0dd86a64-1a00-0000-e86e-0877460b0000 pid=2886 /usr/bin/sudo guuid=73b6c667-1a00-0000-e86e-0877490b0000 pid=2889 /tmp/sample.bin guuid=0dd86a64-1a00-0000-e86e-0877460b0000 pid=2886->guuid=73b6c667-1a00-0000-e86e-0877490b0000 pid=2889 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found malware configuration
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736176 Sample: sh4.elf Startdate: 14/07/2025 Architecture: LINUX Score: 88 39 152.42.179.215, 51742, 9999 NCRENUS United States 2->39 41 109.202.202.202, 80 INIT7CH Switzerland 2->41 43 3 other IPs or domains 2->43 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Gafgyt 2->53 55 Yara detected Mirai 2->55 10 sh4.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 65 Sample tries to set files in /etc globally writable 10->65 67 Drops files in suspicious directories 10->67 69 Sample tries to persist itself using System V runlevels 10->69 17 sh4.elf 10->17         started        19 sh4.elf sh 10->19         started        process6 process7 21 sh4.elf 17->21         started        25 sh cp 19->25         started        file8 35 /etc/init.d/sysd, POSIX 21->35 dropped 57 Sample tries to set files in /etc globally writable 21->57 59 Drops files in suspicious directories 21->59 61 Sample tries to persist itself using System V runlevels 21->61 27 sh4.elf sh 21->27         started        29 sh4.elf 21->29         started        63 Drops invisible ELF files 25->63 signatures9 process10 process11 31 sh cp 27->31         started        file12 37 /usr/bin/.sh, ELF 31->37 dropped 45 Drops invisible ELF files 31->45 47 Drops files in suspicious directories 31->47 signatures13
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-07-14 14:47:58 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:testlumma
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 f75cf6f032a015fd51dee0e002a2ea73c09e494c6e9605499daccd1842dcdaf1

(this sample)

  
Delivery method
Distributed via web download

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