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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b574dcf87070ff2a462d5129ff9f41f19c8019693105824e83bd874a33e84ca3. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b574dcf87070ff2a462d5129ff9f41f19c8019693105824e83bd874a33e84ca3
SHA3-384 hash: 5ce4bf23be897f0a13a8cbc55dab27595de3758cc4a74c72cee42e398e279bfc631a0474f7afa6115a8195390b6493e6
SHA1 hash: f877d7d4d06008fe5baaa0e39923194fe1798096
MD5 hash: a6353ab174d821214107b0c35724d223
humanhash: december-seventeen-mountain-sink
File name:masuta.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:743'480 bytes
First seen:2026-10-18 06:20:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:XJmWcMUY99B4NgviHY20d9Hg91UkwOrU6DbRjIayUOIHX:5mPY934NgK4KYOrUMbR4
TLSH T12BF47D2BB2B2B1BCD01BC03007DBCAB25531F47526312D7B27C4DA353E66DA1276AB65
telfhash t1ec914b705cfa74a4a2dbcd01b313f5b9ae76047652ec35b46b36add4de91f800da2823
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 :
79
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7135944-0
Create hunting rule

Unix.Trojan.Mirai-7865737-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Connection attempt
Opens a port
Substitutes an application name
Gathering data
Verdict:
Adware
File Type:
elf.64.le
First seen:
2026-10-18T04:27:00Z UTC
Last seen:
2026-10-19T22:07:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b574dcf87070ff2a462d5129ff9f41f19c8019693105824e83bd874a33e84ca3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8ff3c71e-7c1f-40bc-92db-6c4b4c4123f1
Behavior Graph:
Download SVG
%3 guuid=d5bb06fd-1900-0000-7c66-abc3ef070000 pid=2031 /usr/bin/sudo guuid=c32bdbfe-1900-0000-7c66-abc3f5070000 pid=2037 /tmp/sample.bin net guuid=d5bb06fd-1900-0000-7c66-abc3ef070000 pid=2031->guuid=c32bdbfe-1900-0000-7c66-abc3f5070000 pid=2037 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c32bdbfe-1900-0000-7c66-abc3f5070000 pid=2037->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=fbda42ff-1900-0000-7c66-abc3f7070000 pid=2039 /tmp/sample.bin guuid=c32bdbfe-1900-0000-7c66-abc3f5070000 pid=2037->guuid=fbda42ff-1900-0000-7c66-abc3f7070000 pid=2039 clone guuid=833846ff-1900-0000-7c66-abc3f8070000 pid=2040 /tmp/sample.bin zombie guuid=c32bdbfe-1900-0000-7c66-abc3f5070000 pid=2037->guuid=833846ff-1900-0000-7c66-abc3f8070000 pid=2040 clone guuid=a1134bff-1900-0000-7c66-abc3fa070000 pid=2042 /tmp/sample.bin net send-data zombie guuid=c32bdbfe-1900-0000-7c66-abc3f5070000 pid=2037->guuid=a1134bff-1900-0000-7c66-abc3fa070000 pid=2042 clone d2b6fc15-eba2-5c0f-92d5-cb022cf63a4d 95.211.196.4:127 guuid=a1134bff-1900-0000-7c66-abc3fa070000 pid=2042->d2b6fc15-eba2-5c0f-92d5-cb022cf63a4d send: 2B guuid=83f76aff-1900-0000-7c66-abc3fb070000 pid=2043 /tmp/sample.bin guuid=a1134bff-1900-0000-7c66-abc3fa070000 pid=2042->guuid=83f76aff-1900-0000-7c66-abc3fb070000 pid=2043 clone guuid=703570ff-1900-0000-7c66-abc3fc070000 pid=2044 /tmp/sample.bin guuid=a1134bff-1900-0000-7c66-abc3fa070000 pid=2042->guuid=703570ff-1900-0000-7c66-abc3fc070000 pid=2044 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9f2bbfba-929d-4058-854a-d896c1439866
Score:
93%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b574dcf87070ff2a462d5129ff9f41f19c8019693105824e83bd874a33e84ca3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b574dcf87070ff2a462d5129ff9f41f19c8019693105824e83bd874a33e84ca3/
Threat name:
Linux.Trojan.Qwexlafiba
Create hunting rule
Status:
Malicious
First seen:
2026-10-18 06:24:34 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wv2nz6dqod7surrnkeu77h2b6goiagljgecyetudxwduum7ijsrq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery linux
Link:
https://tria.ge/reports/261018-g44vbasy8r/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b574dcf87070/report/overview.html
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/b574dcf87070ff2a462d5129ff9f41f19c8019693105824e83bd874a33e84ca3

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: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:MIRAI_OHSHIT_payload
Create hunting rule
Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
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 b574dcf87070ff2a462d5129ff9f41f19c8019693105824e83bd874a33e84ca3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3951724/
  
Delivery method
Distributed via web download

Comments