MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23a1fc136c03ce9eb6bc4208632413ec1eaac36029b2cb018b4581f5b69ea86e. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23a1fc136c03ce9eb6bc4208632413ec1eaac36029b2cb018b4581f5b69ea86e
SHA3-384 hash: 0e136cc2560bf7f300e80a19ba3fd57bb6cd703ca55b69c7b264ba92a315a3fa96406c02d3a666aa2694628d47353e67
SHA1 hash: 3bd13c14d525ad885ca837be5f0191501c11edf5
MD5 hash: 8b6136d635cebf1693f04e57a38a9998
humanhash: gee-wisconsin-fish-glucose
File name:bukakke_minimal
Download: download sample
Signature Mirai
Create hunting rule
File size:979'120 bytes
First seen:2026-01-19 16:08:17 UTC
Last seen:2026-01-20 11:37:39 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:6xON0sgoSNg9XfFF0pAedyHrGwloSSOI+eHh+8cfvQsXAxwQz/rRayUtAhpHX:l0sPSNgTqSuRyIfxwQz/iAh
TLSH T1EF258D2AB2B3B4BCE017C03457DFCAA29535B47522313DBB26C4DA353D66DA11369B23
telfhash t170b159b00bf935f0e6dbc801b352f1b95a3258f662f539b05626ad94efd6f400c6642b
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 :
3
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai.9774.28682.32069.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-19T13:22:00Z UTC
Last seen:
2026-01-20T12:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/23a1fc136c03ce9eb6bc4208632413ec1eaac36029b2cb018b4581f5b69ea86e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/fa0eb58a-84c8-40ab-8de4-6fa3850b4f87
Behavior Graph:
Download SVG
%3 guuid=211fec8a-1d00-0000-f1aa-c62e890a0000 pid=2697 /usr/bin/sudo guuid=1f65878d-1d00-0000-f1aa-c62e920a0000 pid=2706 /tmp/sample.bin delete-file write-file guuid=211fec8a-1d00-0000-f1aa-c62e890a0000 pid=2697->guuid=1f65878d-1d00-0000-f1aa-c62e920a0000 pid=2706 execve guuid=7de0ca8d-1d00-0000-f1aa-c62e940a0000 pid=2708 /tmp/sample.bin zombie guuid=1f65878d-1d00-0000-f1aa-c62e920a0000 pid=2706->guuid=7de0ca8d-1d00-0000-f1aa-c62e940a0000 pid=2708 clone guuid=efc4d48d-1d00-0000-f1aa-c62e950a0000 pid=2709 /tmp/sample.bin net send-data zombie guuid=7de0ca8d-1d00-0000-f1aa-c62e940a0000 pid=2708->guuid=efc4d48d-1d00-0000-f1aa-c62e950a0000 pid=2709 clone fc26a67d-628f-5432-9efd-7d2edd2617a5 176.65.148.239:8081 guuid=efc4d48d-1d00-0000-f1aa-c62e950a0000 pid=2709->fc26a67d-628f-5432-9efd-7d2edd2617a5 send: 111B guuid=b0e0f18d-1d00-0000-f1aa-c62e960a0000 pid=2710 /usr/bin/dash guuid=efc4d48d-1d00-0000-f1aa-c62e950a0000 pid=2709->guuid=b0e0f18d-1d00-0000-f1aa-c62e960a0000 pid=2710 execve guuid=4d347590-1d00-0000-f1aa-c62ea20a0000 pid=2722 /tmp/sample.bin guuid=efc4d48d-1d00-0000-f1aa-c62e950a0000 pid=2709->guuid=4d347590-1d00-0000-f1aa-c62ea20a0000 pid=2722 clone guuid=07b0298e-1d00-0000-f1aa-c62e980a0000 pid=2712 /usr/bin/dash guuid=b0e0f18d-1d00-0000-f1aa-c62e960a0000 pid=2710->guuid=07b0298e-1d00-0000-f1aa-c62e980a0000 pid=2712 clone guuid=2117328e-1d00-0000-f1aa-c62e990a0000 pid=2713 /usr/bin/dash guuid=b0e0f18d-1d00-0000-f1aa-c62e960a0000 pid=2710->guuid=2117328e-1d00-0000-f1aa-c62e990a0000 pid=2713 clone guuid=aea9328e-1d00-0000-f1aa-c62e9a0a0000 pid=2714 /usr/bin/dash guuid=07b0298e-1d00-0000-f1aa-c62e980a0000 pid=2712->guuid=aea9328e-1d00-0000-f1aa-c62e9a0a0000 pid=2714 clone guuid=af01548e-1d00-0000-f1aa-c62e9b0a0000 pid=2715 /usr/bin/grep guuid=07b0298e-1d00-0000-f1aa-c62e980a0000 pid=2712->guuid=af01548e-1d00-0000-f1aa-c62e9b0a0000 pid=2715 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7cbd883c-0721-4243-aab7-d6c86880efad
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1853496
Signature
Executes the "crontab" command typically for achieving persistence
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1853496 Sample: bukakke_minimal.elf Startdate: 19/01/2026 Architecture: LINUX Score: 48 33 176.65.148.239, 41114, 8081 PALTEL-ASPALTELAutonomousSystemPS Germany 2->33 10 bukakke_minimal.elf 2->10         started        process3 process4 12 bukakke_minimal.elf 10->12         started        process5 14 bukakke_minimal.elf 12->14         started        process6 16 bukakke_minimal.elf sh 14->16         started        18 bukakke_minimal.elf 14->18         started        process7 20 sh crontab 16->20         started        24 sh 16->24         started        file8 31 /var/spool/cron/crontabs/tmp.HhJnVi, ASCII 20->31 dropped 35 Sample tries to persist itself using cron 20->35 37 Executes the "crontab" command typically for achieving persistence 20->37 26 sh crontab 24->26         started        29 sh grep 24->29         started        signatures9 process10 signatures11 39 Executes the "crontab" command typically for achieving persistence 26->39
Score:
91%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/23a1fc136c03ce9eb6bc4208632413ec1eaac36029b2cb018b4581f5b69ea86e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/23a1fc136c03ce9eb6bc4208632413ec1eaac36029b2cb018b4581f5b69ea86e/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-01-19 16:09:37 UTC
File Type:
ELF64 Little (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eoq7ye3maphj5nv4iieggjat5qpkvq3afgzmwamliwa7lnu6vbxa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
credential_access discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260119-tlpnwsgv3c/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Creates/modifies Cron job
Enumerates running processes
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6cecbf68-3a67-4d05-a656-acf0614381ef
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/23a1fc136c03ce9eb6bc4208632413ec1eaac36029b2cb018b4581f5b69ea86e

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: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 23a1fc136c03ce9eb6bc4208632413ec1eaac36029b2cb018b4581f5b69ea86e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3760347/
  
Delivery method
Distributed via web download

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