MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 531c18a3d801a05a21008e7e8f0b1cf1bdde160443826ff9b998745924b3276b. 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: 531c18a3d801a05a21008e7e8f0b1cf1bdde160443826ff9b998745924b3276b
SHA3-384 hash: c04ba0f229ee0b1c4907743c7f838d7dd587645e1057c9dd3b124c580b9aca657a817202469b5f38d3a7b2dc086cf87e
SHA1 hash: cd6a04447356e8b660753cbb55a613c1e778aa96
MD5 hash: 14d438aa49074e10e3ae2e8d13a78ba3
humanhash: sweet-red-chicken-sweet
File name:nwfaiehg4ewijfgriehgirehaughrarg.arc
Download: download sample
Signature Mirai
Create hunting rule
File size:124'676 bytes
First seen:2025-08-22 08:24:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:U68QyAmkjsL3uK5Rv6+22rf52T+byXpGe6l0/GSoYnxP/4gEvEu/LWk:/YA7jk3ue6+22L5cYKwe6BSoYigmq
TLSH T124C39E87B78B14A0C4620AF017C71B9D6B53B211CE6FE8E3AC1D763F5A7A4DB1916381
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 :
121
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
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Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/68a8298c4a87ed796768024b/reports/362af1ed-82c7-4e73-afdd-00b09fdd8533/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-22T05:29:00Z UTC
Last seen:
2025-08-22T05:29:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/531c18a3d801a05a21008e7e8f0b1cf1bdde160443826ff9b998745924b3276b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7f502026-66a0-424b-9af5-312dc52afce4
Behavior Graph:
Download SVG
%3 guuid=2260328b-1a00-0000-5753-fb575b0a0000 pid=2651 /usr/bin/sudo guuid=85f2538d-1a00-0000-5753-fb57630a0000 pid=2659 /tmp/sample.bin guuid=2260328b-1a00-0000-5753-fb575b0a0000 pid=2651->guuid=85f2538d-1a00-0000-5753-fb57630a0000 pid=2659 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/065e718c-b446-4618-80fd-94d9fe741825
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1762766
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1762766 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 22/08/2025 Architecture: LINUX Score: 48 14 54.171.230.55, 37900, 443 AMAZON-02US United States 2->14 16 Multi AV Scanner detection for submitted file 2->16 6 dash rm 2->6         started        8 dash cat 2->8         started        10 dash head 2->10         started        12 7 other processes 2->12 signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/531c18a3d801a05a21008e7e8f0b1cf1bdde160443826ff9b998745924b3276b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/531c18a3d801a05a21008e7e8f0b1cf1bdde160443826ff9b998745924b3276b/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-22 08:04:29 UTC
AV detection:
9 of 37 (24.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kmobri6yagqfuiiarz7i6cy46g654fqeiobg76nztb2fsjfte5vq._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250822-keregasnw6/
Malware Config
C2 Extraction:
mong666.duckdns.org
Verdict:
Unknown
Tags:
backdoor
YARA:
MAL_ELF_Xlogin_Nov24_1
Link:
https://app.threat.zone/submission/23568670-501b-4e98-be3f-f3a1d7bb83d1
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/531c18a3d801a05a21008e7e8f0b1cf1bdde160443826ff9b998745924b3276b

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:MAL_ELF_Xlogin_Nov24_1
Create hunting rule
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
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 531c18a3d801a05a21008e7e8f0b1cf1bdde160443826ff9b998745924b3276b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3608971/
  
Delivery method
Distributed via web download

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