MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38139402d78e9dcd09f03a7fa8f97b48c446d0910886410b30351694cce2f66c. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38139402d78e9dcd09f03a7fa8f97b48c446d0910886410b30351694cce2f66c
SHA3-384 hash: 0ae800227cd6215c26ba8982cb21054d34771ac48098ea10b2295ad43e24655563ad692afb10b557ad25f6e3a31fe6c4
SHA1 hash: 527139db4d3ac7f88e23b5d7c718613f71be09b9
MD5 hash: 6b2ea600258a4177df3cc3423e6069ff
humanhash: purple-thirteen-april-diet
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:71'064 bytes
First seen:2025-12-26 20:44:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zuLdvs9GY0OKYxsXseICCMli5Xj3iPglHM1:dJKYfeICpE+Yq
TLSH T161638C67CD2A6E08D11596F0B0B19B395B63D62081CB0FB966A6C779D083DCCF605BF8
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 :
1
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Link:
https://research.acce.ciphertechsolutions.com/results/b30d6cfa-84f5-4681-8de7-52762e533de7/
Detection(s):
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/694ef3f284afa5547b5e86a2/reports/664c1c83-7441-4843-8c6b-ee40b95bfadf/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0864829a-c79f-4eeb-923b-af18fd4f4228
Behavior Graph:
Download SVG
%3 guuid=e8830bda-1b00-0000-a60d-8c7e19090000 pid=2329 /usr/bin/sudo guuid=d003b0dd-1b00-0000-a60d-8c7e22090000 pid=2338 /tmp/sample.bin guuid=e8830bda-1b00-0000-a60d-8c7e19090000 pid=2329->guuid=d003b0dd-1b00-0000-a60d-8c7e22090000 pid=2338 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ebcddae4-d6a1-4c2d-98b7-9854b6456f57
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1840057
Signature
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840057 Sample: sh4.elf Startdate: 26/12/2025 Architecture: LINUX Score: 84 39 91.208.206.49, 37518, 37520, 37522 ALEXHOSTMD unknown 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected Gafgyt 2->43 45 Yara detected Mirai 2->45 47 Connects to many ports of the same IP (likely port scanning) 2->47 10 sh4.elf 2->10         started        12 systemd rsyslogd 2->12         started        15 gnome-session-binary sh gnome-shell 2->15         started        17 23 other processes 2->17 signatures3 process4 file5 19 sh4.elf 10->19         started        37 /var/log/kern.log, ASCII 12->37 dropped process6 signatures7 49 Sample deletes itself 19->49 22 sh4.elf 19->22         started        process8 process9 24 sh4.elf 22->24         started        27 sh4.elf 22->27         started        signatures10 51 Manipulation of devices in /dev 24->51 53 Deletes system log files 24->53 29 sh4.elf 24->29         started        31 sh4.elf 24->31         started        33 sh4.elf 24->33         started        35 80 other processes 24->35 55 Sample tries to kill multiple processes (SIGKILL) 27->55 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/38139402d78e9dcd09f03a7fa8f97b48c446d0910886410b30351694cce2f66c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/38139402d78e9dcd09f03a7fa8f97b48c446d0910886410b30351694cce2f66c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 20:45:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hajziawxr2o42cpqhj72r6l3jdcenuerbcdecczqguljjthc6zwa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251226-zj4ypaxpbp/
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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:unixredflags3
Create hunting rule
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 38139402d78e9dcd09f03a7fa8f97b48c446d0910886410b30351694cce2f66c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3744332/
  
Delivery method
Distributed via web download

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