MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4d637a2e1b2d0d20943cef84be34c902391c3521d59d965ea3f3c42ee9c1912. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4d637a2e1b2d0d20943cef84be34c902391c3521d59d965ea3f3c42ee9c1912
SHA3-384 hash: 5fc0529c9ad03a141aa4be60f63255bf6e302bff492e42ce8136e7e423106a0c4c95269348a4ea594453e92abcf78b33
SHA1 hash: c75b0dbcfff2bb73532e42c996d5369acfd432ca
MD5 hash: a5fefad751662b13d2fe722ba6787c3e
humanhash: oranges-arizona-tennessee-spring
File name:iran.i486
Download: download sample
Signature Mirai
Create hunting rule
File size:50'540 bytes
First seen:2026-05-05 17:21:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:PoJc1eCCmUJ2S1pllrFWwUTlFNg5az1YvQeVWDU2331ANA0yiRhuqDVsX3tEr:PoJc2H1poTvgMU431ANA0yUBEer
TLSH T18C332B48F783E0F0ED4A0531115BF77D97349E025124DE7EEB94BE76AD32A02A16B628
telfhash t1f721cfa47ee508f8f7d0ac1d931d66d3df39e5332e51749e88f2311233e196292a1838
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 :
51
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Linux.DDoS.2637.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/69fa275786e92bda701fc974/reports/88c5a9a8-0e91-4575-975d-a84f3033db49/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
44
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b4d637a2e1b2d0d20943cef84be34c902391c3521d59d965ea3f3c42ee9c1912
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-03T18:32:00Z UTC
Last seen:
2026-05-05T16:55:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b4d637a2e1b2d0d20943cef84be34c902391c3521d59d965ea3f3c42ee9c1912/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4636420c-6106-48a2-886f-05180c72739a
Behavior Graph:
Download SVG
%3 guuid=80820c0e-1800-0000-10a4-6d0e980b0000 pid=2968 /usr/bin/sudo guuid=acf9e50f-1800-0000-10a4-6d0ea00b0000 pid=2976 /tmp/sample.bin guuid=80820c0e-1800-0000-10a4-6d0e980b0000 pid=2968->guuid=acf9e50f-1800-0000-10a4-6d0ea00b0000 pid=2976 execve guuid=96d03e10-1800-0000-10a4-6d0ea30b0000 pid=2979 /tmp/sample.bin guuid=acf9e50f-1800-0000-10a4-6d0ea00b0000 pid=2976->guuid=96d03e10-1800-0000-10a4-6d0ea30b0000 pid=2979 clone guuid=df914810-1800-0000-10a4-6d0ea40b0000 pid=2980 /tmp/sample.bin delete-file net send-data zombie guuid=96d03e10-1800-0000-10a4-6d0ea30b0000 pid=2979->guuid=df914810-1800-0000-10a4-6d0ea40b0000 pid=2980 clone 64b40103-47ed-551e-8a7f-f78b5197ce05 176.65.139.45:6060 guuid=df914810-1800-0000-10a4-6d0ea40b0000 pid=2980->64b40103-47ed-551e-8a7f-f78b5197ce05 send: 708B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5ab01a50-d9f7-4af9-bb3b-9ad456eda0e0
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4d637a2e1b2d0d20943cef84be34c902391c3521d59d965ea3f3c42ee9c1912
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4d637a2e1b2d0d20943cef84be34c902391c3521d59d965ea3f3c42ee9c1912/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-03 21:53:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtldpixbwlineckdz34exy2msarzdq2sdvm5szpkh46ef3u4deja._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260505-vw9x9afz5j/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/b4d637a2e1b2d0d20943cef84be34c902391c3521d59d965ea3f3c42ee9c1912

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:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:Linux_Trojan_Mirai_3a56423b
Create hunting rule
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 b4d637a2e1b2d0d20943cef84be34c902391c3521d59d965ea3f3c42ee9c1912

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3839734/
  
Delivery method
Distributed via web download

Comments