MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3a59c31bb2b2caa6dc0806400ff5623b33016eca39113afedd8af71ce49c5bc. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3a59c31bb2b2caa6dc0806400ff5623b33016eca39113afedd8af71ce49c5bc
SHA3-384 hash: edd9044baffee1e69656b721d49fa1e0f7c7c76e293d77fc8fa662ae257730a1994afb74539c532a637077f0a6f7f437
SHA1 hash: a522ec737ad8850d7e8e472e98fda2f1950bcacc
MD5 hash: 29e9f1e8fcd226b0ee93ed159c19511c
humanhash: pasta-seventeen-winter-beryllium
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:957'256 bytes
First seen:2025-11-23 09:03:19 UTC
Last seen:2025-11-23 15:15:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:k4mJbaNg0/gv9q8Kd9H6si33+SpmT/3GOzQWe2Mubmt5qoqI1ayUHjAd1HX:zm9aNg0Iv9qIBkXUp2M7tC1jI
TLSH T190157D2EB2B3B5BCE00BC03457DBCAA15535F07522212DBB26C4DA353D6ADE11369B63
telfhash t141b15db40bf978b0a1dad501b352f0b95a7218e261e975b15b3bbd84dfc1f810d72827
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 :
4
# of downloads :
23
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.32145.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999.20587.17717.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Locks files
Creating a file
Creating a file in the %temp% directory
Connection attempt
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b3a59c31bb2b2caa6dc0806400ff5623b33016eca39113afedd8af71ce49c5bc
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-20T22:25:00Z UTC
Last seen:
2025-11-21T04:34:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b3a59c31bb2b2caa6dc0806400ff5623b33016eca39113afedd8af71ce49c5bc/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/52ac0f9e-36df-4d30-bba0-cc513d01e064
Behavior Graph:
Download SVG
%3 guuid=9573b4e5-2100-0000-03ea-2b3b44090000 pid=2372 /usr/bin/sudo guuid=31bbcce9-2100-0000-03ea-2b3b4b090000 pid=2379 /tmp/sample.bin guuid=9573b4e5-2100-0000-03ea-2b3b44090000 pid=2372->guuid=31bbcce9-2100-0000-03ea-2b3b4b090000 pid=2379 execve guuid=e4a417ea-2100-0000-03ea-2b3b4d090000 pid=2381 /tmp/sample.bin net write-file zombie guuid=31bbcce9-2100-0000-03ea-2b3b4b090000 pid=2379->guuid=e4a417ea-2100-0000-03ea-2b3b4d090000 pid=2381 clone c015b0a4-f60c-532c-b5c1-9ec2e7482329 45.153.34.63:1337 guuid=e4a417ea-2100-0000-03ea-2b3b4d090000 pid=2381->c015b0a4-f60c-532c-b5c1-9ec2e7482329 con guuid=e4a417ea-2100-0000-03ea-2b3b4d090000 pid=2382 /tmp/sample.bin guuid=e4a417ea-2100-0000-03ea-2b3b4d090000 pid=2381->guuid=e4a417ea-2100-0000-03ea-2b3b4d090000 pid=2382 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1819345
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819345 Sample: x86_64.elf Startdate: 23/11/2025 Architecture: LINUX Score: 48 17 34.243.160.129, 42482, 443 AMAZON-02US United States 2->17 19 54.247.62.1, 443 AMAZON-02US United States 2->19 21 Multi AV Scanner detection for submitted file 2->21 7 x86_64.elf 2->7         started        9 dash rm 2->9         started        11 dash cat 2->11         started        13 8 other processes 2->13 signatures3 process4 process5 15 x86_64.elf 7->15         started       
Score:
91%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3a59c31bb2b2caa6dc0806400ff5623b33016eca39113afedd8af71ce49c5bc
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3a59c31bb2b2caa6dc0806400ff5623b33016eca39113afedd8af71ce49c5bc/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-11-21 03:17:55 UTC
File Type:
ELF64 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=woszymn3fmwku3oaqbsab72weoztafxmuoirhl7n3cxxdtsjyw6a._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Link:
https://tria.ge/reports/251123-k1gr6asldy/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Enumerates running processes
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5d3db410-21d1-4431-be33-66105a56f387
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/b3a59c31bb2b2caa6dc0806400ff5623b33016eca39113afedd8af71ce49c5bc

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
Create hunting rule
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

sh 1c0329f89241d49944a32012adee4b2eb5b66f94935a39b9a999b1ce171029fd

Mirai

elf b3a59c31bb2b2caa6dc0806400ff5623b33016eca39113afedd8af71ce49c5bc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3714711/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 1c0329f89241d49944a32012adee4b2eb5b66f94935a39b9a999b1ce171029fd
  
Dropped by
MD5 249bcbf97ad77c7a9167b7c125b6f7e1
  
URLhaus
https://urlhaus.abuse.ch/url/3714723/

Comments