MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb71c4d6c32a12cc39b5399b3a363bf37be71745b5a6e91c2aa7f75960149e2d. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb71c4d6c32a12cc39b5399b3a363bf37be71745b5a6e91c2aa7f75960149e2d
SHA3-384 hash: 8bf7f7c63be02310ebd3f53dfb7d6148344dffbcb9d8ce9cf93ba8555ce69a2f2f0b032872d0235ae02704089865619d
SHA1 hash: d6b58f6b3a1cb38d3203cd95fd07c12ec53e7d7f
MD5 hash: 107463b247606605ad414c784422e88e
humanhash: november-vegan-cola-two
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:154'056 bytes
First seen:2025-12-27 23:58:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:t76XRxjzXlN8Hu3JXeLzxwcDj3kIRVYVviREHJhIB16y:96XjHXlZJXk0MmvWATy
TLSH T136E37DC5F743C0FAE85605B1107BBB369AB3D43F242BDA83D3B95A32EC51601C51A6AC
telfhash t10c5126ba96670cec57d09902f28e5b31ec0eab7b255036fb09f21ab4322254153bbc35
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 48161ec91da483198f098d7b38866c5245afe46dc583e6221dac5d58937c7873
File size (compressed) :61'980 bytes
File size (de-compressed) :154'056 bytes
Format:linux/i386
Packed file: 48161ec91da483198f098d7b38866c5245afe46dc583e6221dac5d58937c7873

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
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/2349a3fb-cc3b-488e-8e41-7c810d9a7488/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.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.Trojan.Mirai-9853183-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/695072d2e126b9ff43937a8e/reports/d3f6d806-3da9-4af8-b3c1-91fee5561790/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T22:18:00Z UTC
Last seen:
2025-12-27T23:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cb71c4d6c32a12cc39b5399b3a363bf37be71745b5a6e91c2aa7f75960149e2d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/68259108-cf86-4e0d-b80a-0ed4538f8446
Behavior Graph:
Download SVG
%3 guuid=4f755887-1d00-0000-2e07-abb1a20b0000 pid=2978 /usr/bin/sudo guuid=7769078a-1d00-0000-2e07-abb1a90b0000 pid=2985 /tmp/sample.bin net write-config write-file guuid=4f755887-1d00-0000-2e07-abb1a20b0000 pid=2978->guuid=7769078a-1d00-0000-2e07-abb1a90b0000 pid=2985 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=7769078a-1d00-0000-2e07-abb1a90b0000 pid=2985->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=f5e5748b-1d00-0000-2e07-abb1ab0b0000 pid=2987 /usr/bin/dash guuid=7769078a-1d00-0000-2e07-abb1a90b0000 pid=2985->guuid=f5e5748b-1d00-0000-2e07-abb1ab0b0000 pid=2987 execve guuid=895e948f-1d00-0000-2e07-abb1b70b0000 pid=2999 /usr/bin/dash guuid=7769078a-1d00-0000-2e07-abb1a90b0000 pid=2985->guuid=895e948f-1d00-0000-2e07-abb1b70b0000 pid=2999 execve guuid=35298a92-1d00-0000-2e07-abb1bd0b0000 pid=3005 /tmp/sample.bin guuid=7769078a-1d00-0000-2e07-abb1a90b0000 pid=2985->guuid=35298a92-1d00-0000-2e07-abb1bd0b0000 pid=3005 clone guuid=6358c4be-1e00-0000-2e07-abb1b40d0000 pid=3508 /tmp/sample.bin guuid=7769078a-1d00-0000-2e07-abb1a90b0000 pid=2985->guuid=6358c4be-1e00-0000-2e07-abb1b40d0000 pid=3508 clone guuid=5e48cdbe-1e00-0000-2e07-abb1b50d0000 pid=3509 /tmp/sample.bin dns net send-data zombie guuid=7769078a-1d00-0000-2e07-abb1a90b0000 pid=2985->guuid=5e48cdbe-1e00-0000-2e07-abb1b50d0000 pid=3509 clone guuid=d749ed8b-1d00-0000-2e07-abb1ad0b0000 pid=2989 /usr/bin/systemctl guuid=f5e5748b-1d00-0000-2e07-abb1ab0b0000 pid=2987->guuid=d749ed8b-1d00-0000-2e07-abb1ad0b0000 pid=2989 execve guuid=7288e88f-1d00-0000-2e07-abb1b80b0000 pid=3000 /usr/bin/systemctl guuid=895e948f-1d00-0000-2e07-abb1b70b0000 pid=2999->guuid=7288e88f-1d00-0000-2e07-abb1b80b0000 pid=3000 execve guuid=f9aaf693-1d00-0000-2e07-abb1c30b0000 pid=3011 /tmp/sample.bin guuid=35298a92-1d00-0000-2e07-abb1bd0b0000 pid=3005->guuid=f9aaf693-1d00-0000-2e07-abb1c30b0000 pid=3011 clone guuid=4d2dfb93-1d00-0000-2e07-abb1c40b0000 pid=3012 /tmp/sample.bin net send-data zombie guuid=35298a92-1d00-0000-2e07-abb1bd0b0000 pid=3005->guuid=4d2dfb93-1d00-0000-2e07-abb1c40b0000 pid=3012 clone guuid=4d2dfb93-1d00-0000-2e07-abb1c40b0000 pid=3012->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=4d2dfb93-1d00-0000-2e07-abb1c40b0000 pid=3012->54d92a3b-1447-55af-b534-047898c60c8d send: 185B 55e75a70-5f0f-5401-b0ef-995451b8fb69 teamc2.duckdns.org:12121 guuid=4d2dfb93-1d00-0000-2e07-abb1c40b0000 pid=3012->55e75a70-5f0f-5401-b0ef-995451b8fb69 send: 4B guuid=5e48cdbe-1e00-0000-2e07-abb1b50d0000 pid=3509->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=5e48cdbe-1e00-0000-2e07-abb1b50d0000 pid=3509->54d92a3b-1447-55af-b534-047898c60c8d send: 36B guuid=5e48cdbe-1e00-0000-2e07-abb1b50d0000 pid=3509->55e75a70-5f0f-5401-b0ef-995451b8fb69 send: 6B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/72c90e35-ecab-40b6-941f-e1a03d0b8d0d
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1840586
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840586 Sample: x86.elf Startdate: 28/12/2025 Architecture: LINUX Score: 88 31 169.254.169.254, 80 USDOSUS Reserved 2->31 33 teamc2.duckdns.org 151.242.30.13, 12121, 49874, 49876 RASANAIR Iran (ISLAMIC Republic Of) 2->33 35 daisy.ubuntu.com 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for dropped file 2->41 43 3 other signatures 2->43 8 x86.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 29 /usr/local/bin/infinitd, ELF 8->29 dropped 13 x86.elf sh 8->13         started        15 x86.elf sh 8->15         started        17 x86.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 x86.elf 17->25         started        27 x86.elf 17->27         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cb71c4d6c32a12cc39b5399b3a363bf37be71745b5a6e91c2aa7f75960149e2d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb71c4d6c32a12cc39b5399b3a363bf37be71745b5a6e91c2aa7f75960149e2d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 00:16:01 UTC
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zny4jvwdfijmyonvhgntunr36n56of2fwwtoshbku73vsyautywq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux persistence privilege_escalation
Link:
https://tria.ge/reports/251228-aa4h5a1mfs/
Behaviour
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e050f8aa-6ed8-46d2-af91-c4d8cc1cbbe3
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cb71c4d6c32a12cc39b5399b3a363bf37be71745b5a6e91c2aa7f75960149e2d

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_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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 48161ec91da483198f098d7b38866c5245afe46dc583e6221dac5d58937c7873

Mirai

elf cb71c4d6c32a12cc39b5399b3a363bf37be71745b5a6e91c2aa7f75960149e2d

(this sample)

  
Dropped by
SHA256 48161ec91da483198f098d7b38866c5245afe46dc583e6221dac5d58937c7873
  
URLhaus
https://urlhaus.abuse.ch/url/3722813/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 40308bc4d21418a53034918e8344fb7d
  
URLhaus
https://urlhaus.abuse.ch/url/3719326/
  
URLhaus
https://urlhaus.abuse.ch/url/3722799/

Comments