MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b84d27ffbb62e14b1070a4658ac11fdef0c1e9865fc436debfcda22bd292ce9b. 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 14 File information Comments
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SHA256 hash: b84d27ffbb62e14b1070a4658ac11fdef0c1e9865fc436debfcda22bd292ce9b
SHA3-384 hash: 7a7d76a64a56d60fefaf78522aa6ebbed0e93454e9fb1046c976ff07b9edbd469cb8a1243d43cbdb22d66b21695d3db8
SHA1 hash: f650159f399029534426962b2fafd5df3764edb3
MD5 hash: e633508285de18298f0675b02ede523a
humanhash: hot-comet-crazy-video
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:2'440'680 bytes
First seen:2025-07-12 02:41:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:uNjX4SgrTtjod7wosLh9gIaEk/9jYmZSl6Ai+++7iHLjcC5nvPld:ygftk/YviHr5nld
TLSH T1C2B58C3389186FDFC529D571A129CEB24793A84051675FB639A2E3B84943EC2F7023F9
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
15
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6871cb88900df8e7f86a03eblinux22vpnfull_triage
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64
Link:
https://www.filescan.io/uploads/6871cb86a15b22faa8af538f/reports/dde572b6-0303-4fa3-9daa-af83fb9fc77d/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ded9042a-e720-4b77-acf8-cbc2b7b836ef
Behavior Graph:
Download SVG
%3 guuid=723f8c21-1900-0000-044e-cec2c9120000 pid=4809 /usr/bin/sudo guuid=c602d823-1900-0000-044e-cec2d4120000 pid=4820 /tmp/sample.bin guuid=723f8c21-1900-0000-044e-cec2c9120000 pid=4809->guuid=c602d823-1900-0000-044e-cec2d4120000 pid=4820 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/da628177-f9c5-477f-a7e7-56d8f3d80eef
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1734441
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734441 Sample: sh4.elf Startdate: 12/07/2025 Architecture: LINUX Score: 88 41 87.121.84.210, 53644, 53646, 53648 SKATTV-ASBG Bulgaria 2->41 43 109.202.202.202, 80 INIT7CH Switzerland 2->43 45 2 other IPs or domains 2->45 51 Found malware configuration 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Gafgyt 2->55 57 Yara detected Mirai 2->57 10 dash rm sh4.elf 2->10         started        13 dash rm 2->13         started        15 dash head 2->15         started        17 7 other processes 2->17 signatures3 process4 signatures5 67 Sample tries to set files in /etc globally writable 10->67 69 Drops files in suspicious directories 10->69 71 Sample tries to persist itself using System V runlevels 10->71 19 sh4.elf 10->19         started        21 sh4.elf sh 10->21         started        process6 process7 23 sh4.elf 19->23         started        27 sh cp 21->27         started        file8 39 /etc/init.d/sysd, POSIX 23->39 dropped 59 Sample tries to set files in /etc globally writable 23->59 61 Drops files in suspicious directories 23->61 63 Sample tries to persist itself using System V runlevels 23->63 29 sh4.elf sh 23->29         started        31 sh4.elf 23->31         started        65 Drops invisible ELF files 27->65 signatures9 process10 process11 33 sh cp 29->33         started        file12 37 /usr/bin/.sh, ELF 33->37 dropped 47 Drops invisible ELF files 33->47 49 Drops files in suspicious directories 33->49 signatures13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b84d27ffbb62e14b1070a4658ac11fdef0c1e9865fc436debfcda22bd292ce9b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b84d27ffbb62e14b1070a4658ac11fdef0c1e9865fc436debfcda22bd292ce9b/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-12 01:43:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbgsp753mlquwedqursyvqi733ymd2mgl7cdnxv7zwrcxuusz2nq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250712-c64vwaxmy9/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/9d645491-fe8c-48aa-b771-6c068640582e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/b84d27ffbb62e14b1070a4658ac11fdef0c1e9865fc436debfcda22bd292ce9b

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:testlumma
Create hunting rule
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

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

Web download

Mirai

elf b84d27ffbb62e14b1070a4658ac11fdef0c1e9865fc436debfcda22bd292ce9b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581091/
  
Delivery method
Distributed via web download

Comments