MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a71d4a23d8112235f7450f76c1e01e63918416f9bbd66ac3b501701826a50681. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a71d4a23d8112235f7450f76c1e01e63918416f9bbd66ac3b501701826a50681
SHA3-384 hash: e356242f73d3b658f51d6eafd45daa233e3523a1aaf470f170bc159d9ccf232fbbc6bb1ba525640c0a2b95e2e2b93429
SHA1 hash: 668b57fcc18c1fc00305dee35720089987d7ef80
MD5 hash: 3f1da762e79e15b8d14dc5144625f96c
humanhash: august-nebraska-emma-table
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:193'988 bytes
First seen:2025-12-30 01:25:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:WO5huVN9Wx8zP+ufw98CGAxs4KA+fu3i4W9lz6hh1Z2c+7:WO/uVN9+8vw6rMs4Af4i99lk2c+7
TLSH T1D4141942BD418F53C6C722F7F7AE028C37166BAAD2EA3102DD21AF6037865DA0D76651
telfhash t12a21ab2a9f900adc67e146c981fb65389bba39ed231021569a28b71e9e26ce0b004416
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b295c7fb6b84ba9e839af4fe5f5863b83fad09e20f0e6cb8499b62ada9174f30
File size (compressed) :69'572 bytes
File size (de-compressed) :193'988 bytes
Format:linux/arm
Packed file: b295c7fb6b84ba9e839af4fe5f5863b83fad09e20f0e6cb8499b62ada9174f30

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
NL NL
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/b71c23dc-48d1-4358-92a5-d827481b678f/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

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

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

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

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash exploit gafgyt gcc lolbin mirai obfuscated rust
Link:
https://www.filescan.io/uploads/69532a38127d6a14e0c779c6/reports/bf19cc06-05d9-4de4-b898-bded50f66d12/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T22:33:00Z UTC
Last seen:
2025-12-29T23:04:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/a71d4a23d8112235f7450f76c1e01e63918416f9bbd66ac3b501701826a50681/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d82547e7-32ec-4ba0-a1cc-31035471b2c6
Behavior Graph:
Download SVG
%3 guuid=87394ba4-1a00-0000-7368-337e270b0000 pid=2855 /usr/bin/sudo guuid=1ca0dba6-1a00-0000-7368-337e2c0b0000 pid=2860 /tmp/sample.bin guuid=87394ba4-1a00-0000-7368-337e270b0000 pid=2855->guuid=1ca0dba6-1a00-0000-7368-337e2c0b0000 pid=2860 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/67085815-e5f3-4a85-9511-5b07e269de81
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1841912
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841912 Sample: arm.elf Startdate: 30/12/2025 Architecture: LINUX Score: 80 31 169.254.169.254, 80 USDOSUS Reserved 2->31 33 151.242.30.13, 12121, 42432, 42434 RASANAIR Iran (ISLAMIC Republic Of) 2->33 35 daisy.ubuntu.com 2->35 37 Found malware configuration 2->37 39 Antivirus detection for dropped file 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 2 other signatures 2->43 8 arm.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 29 /usr/local/bin/infinitd, ELF 8->29 dropped 13 arm.elf sh 8->13         started        15 arm.elf sh 8->15         started        17 arm.elf 8->17         started        19 2 other processes 8->19 process6 process7 21 sh systemctl 13->21         started        23 sh systemctl 15->23         started        25 arm.elf 17->25         started        27 arm.elf 17->27         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a71d4a23d8112235f7450f76c1e01e63918416f9bbd66ac3b501701826a50681
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a71d4a23d8112235f7450f76c1e01e63918416f9bbd66ac3b501701826a50681/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a71d4a23d8112235f7450f76c1e01e63918416f9bbd66ac3b501701826a50681
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-30 01:26:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u4ouui6ycerdl52fb53mdya6moiyifxzxplgvq5vafybqjvfa2aq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251230-btnsfscy6b/
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c30543f4-4e3f-4dc6-a836-c9e6aff5b924
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/a71d4a23d8112235f7450f76c1e01e63918416f9bbd66ac3b501701826a50681

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: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_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 b295c7fb6b84ba9e839af4fe5f5863b83fad09e20f0e6cb8499b62ada9174f30

Mirai

elf a71d4a23d8112235f7450f76c1e01e63918416f9bbd66ac3b501701826a50681

(this sample)

  
Dropped by
SHA256 b295c7fb6b84ba9e839af4fe5f5863b83fad09e20f0e6cb8499b62ada9174f30
  
Dropped by
MD5 6aa3914202f4d4e864682fe010061ea5
  
URLhaus
https://urlhaus.abuse.ch/url/3722797/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3722809/
  
URLhaus
https://urlhaus.abuse.ch/url/3719330/

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