MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef0fd19bd96ee42356bae84fb98789b28bd5b5ded37c4a42eb36ce1f3446e2d6. 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: 6


Intelligence 6 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef0fd19bd96ee42356bae84fb98789b28bd5b5ded37c4a42eb36ce1f3446e2d6
SHA3-384 hash: 11386c7d125febd8560d9dcc6812f41393a67facf91c093a3f9a6ac6b939dfe0a26a6b0438637271387aae498809fac9
SHA1 hash: 916ea422982a82d4c8807378d89c6ae5325004c0
MD5 hash: 5df77dfdc106f10308d5025cdb9fb25d
humanhash: ten-foxtrot-montana-florida
File name:bot.s390x
Download: download sample
Signature Mirai
Create hunting rule
File size:843'808 bytes
First seen:2026-01-19 13:28:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:qhjOc0UKboRi4Uds7Obu8oOZrPbpb6z/EvVngQBeQ35i/iTxE3a2Wi6teoc2R:kd09fp5ogHp2bE3e5Ieoc2
TLSH T1CA054A97AB39C98AC0706D3BD1A7EBF093A73A7148D85A4ECD58F33644B13418F19D92
telfhash t1c011ef380b68a00146a1dfa498ee5a62511fce174f0dee33da37495c240909dda2bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Unix.Trojan.Mirai-10058922-0
Create hunting rule

Unix.Trojan.Mirai-10059005-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc mirai
Link:
https://www.filescan.io/uploads/696e31b73dd9d209505a2f86/reports/a99b3cdc-2128-444f-b6cb-cf72f91ba627/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/158653d7-f792-496f-9e6f-e06efcb23239
Behavior Graph:
Download SVG
%3 guuid=90f49168-1800-0000-ce0c-bcde830e0000 pid=3715 /usr/bin/sudo guuid=d2ad896a-1800-0000-ce0c-bcde8f0e0000 pid=3727 /tmp/sample.bin guuid=90f49168-1800-0000-ce0c-bcde830e0000 pid=3715->guuid=d2ad896a-1800-0000-ce0c-bcde8f0e0000 pid=3727 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d130886c-c3ca-410b-9b92-3131a6313af8
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1853395
Signature
Deletes system log files
Drops files in suspicious directories
Manipulation of devices in /dev
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 process2 2 Behavior Graph ID: 1853395 Sample: bot.s390x.elf Startdate: 19/01/2026 Architecture: LINUX Score: 60 9 bot.s390x.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        process3 15 bot.s390x.elf 9->15         started        process4 17 bot.s390x.elf 15->17         started        file5 36 /etc/init.d/sysd, POSIX 17->36 dropped 38 Sample tries to set files in /etc globally writable 17->38 40 Drops files in suspicious directories 17->40 42 Sample tries to persist itself using System V runlevels 17->42 21 bot.s390x.elf 17->21         started        23 bot.s390x.elf sh 17->23         started        signatures6 process7 process8 25 bot.s390x.elf 21->25         started        28 bot.s390x.elf 21->28         started        30 bot.s390x.elf 21->30         started        32 sh cp 23->32         started        signatures9 44 Manipulation of devices in /dev 25->44 46 Deletes system log files 25->46 34 bot.s390x.elf 28->34         started        process10
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef0fd19bd96ee42356bae84fb98789b28bd5b5ded37c4a42eb36ce1f3446e2d6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef0fd19bd96ee42356bae84fb98789b28bd5b5ded37c4a42eb36ce1f3446e2d6/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-19 13:29:29 UTC
File Type:
ELF64 Big (Exe)
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54h5dg6zn3scgvv25bh3tb4jwkf5lno62n6euqxlg3hb6ncg4lla._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260119-qre5vshv5g/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135925-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e4d4a433-aeb2-4238-9bc0-e07fad31222e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ef0fd19bd96ee42356bae84fb98789b28bd5b5ded37c4a42eb36ce1f3446e2d6

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
Create hunting rule
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 ef0fd19bd96ee42356bae84fb98789b28bd5b5ded37c4a42eb36ce1f3446e2d6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3759177/
  
Delivery method
Distributed via web download

Comments