MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 542b12c4c06133955d14d2b5ba907b552644b88c852f478a9fe038db777e482e. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 542b12c4c06133955d14d2b5ba907b552644b88c852f478a9fe038db777e482e
SHA3-384 hash: cec1f4c233b1e16086fc039021436b61530ad2d801308b20eff0bfcd518f1584e1e3204325398e65d17a0c8b9b0d3936
SHA1 hash: 0c7530bf35a732b4edcfb17ee6a618b0246c39b9
MD5 hash: c8a6fb63415efbe5f70440cac12c3266
humanhash: pennsylvania-colorado-delaware-whiskey
File name:csk_arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:219'706 bytes
First seen:2026-01-12 16:55:30 UTC
Last seen:2026-01-13 16:43:14 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:ZTK6ZSzYp8/FzaEOA3zHpz1tzWFgfl3theM/Rdm12JLGhQH:hK1j/FzaEOA3zHN/SUnhX/jm1sLGhQH
TLSH T1F3243A46EA408F53C0D727BAF69F4245332397A4D3E77306A924ABB43F8379E4E26505
telfhash t1143122b2426d91269aa1dc58dded67b2501ada235301be37ef15c4cc280a00ff926c4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
123
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/5deef1b0-501a-46ac-9440-26993ae25f91/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-10002309-0
Create hunting rule

Unix.Trojan.Mirai-10002310-0
Create hunting rule

Unix.Trojan.Mirai-10002598-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
condi gcc mirai rust soft-404
Link:
https://www.filescan.io/uploads/696527b17859247a1c548bf6/reports/a3acee49-9dfe-42c8-8f41-045cc28dcded/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T14:02:00Z UTC
Last seen:
2026-01-14T00:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.hv HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/542b12c4c06133955d14d2b5ba907b552644b88c852f478a9fe038db777e482e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e8df6d18-8f3c-4cc4-8a69-3a803c2db251
Behavior Graph:
Download SVG
%3 guuid=3e30d979-1900-0000-6bd8-0c8ec4110000 pid=4548 /usr/bin/sudo guuid=338e2b7c-1900-0000-6bd8-0c8ecc110000 pid=4556 /tmp/sample.bin guuid=3e30d979-1900-0000-6bd8-0c8ec4110000 pid=4548->guuid=338e2b7c-1900-0000-6bd8-0c8ecc110000 pid=4556 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2b4c27b6-5520-4bef-a010-3bca602d93f8
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1849371
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849371 Sample: csk_arm7.elf Startdate: 12/01/2026 Architecture: LINUX Score: 100 27 xoclo.fordvungtau.com.vn 45.117.177.93, 42968, 55555 NHANHOA-AS-VNNhanHoaSoftwarecompanyVN Viet Nam 2->27 29 109.202.202.202, 80 INIT7CH Switzerland 2->29 31 3 other IPs or domains 2->31 33 Suricata IDS alerts for network traffic 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 5 other signatures 2->39 9 csk_arm7.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 csk_arm7.elf 9->15         started        process6 17 csk_arm7.elf 15->17         started        process7 19 csk_arm7.elf 17->19         started        21 csk_arm7.elf 17->21         started        23 csk_arm7.elf 17->23         started        25 6 other processes 17->25
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/542b12c4c06133955d14d2b5ba907b552644b88c852f478a9fe038db777e482e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/542b12c4c06133955d14d2b5ba907b552644b88c852f478a9fe038db777e482e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/542b12c4c06133955d14d2b5ba907b552644b88c852f478a9fe038db777e482e
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 16:56:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kqvrfrgamezzkxiu2k23ved3kutejoemquxupcu74a4nw536jaxa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery
Link:
https://tria.ge/reports/260112-vfer6shs7g/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135925-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/63d93dd1-e249-44d8-940c-e12a3b1eca04
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/542b12c4c06133955d14d2b5ba907b552644b88c852f478a9fe038db777e482e

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
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 542b12c4c06133955d14d2b5ba907b552644b88c852f478a9fe038db777e482e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3752349/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3752282/

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