MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b302e2b482811ec560af9f458ad4fa120e6f6d98b0b70a9256c313bfc7d99f51. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: b302e2b482811ec560af9f458ad4fa120e6f6d98b0b70a9256c313bfc7d99f51
SHA3-384 hash: d78d84d739e7e4542abe88fc18f5af35897fc4479dafc0236f4d7af04aa271994019e6f4de6f11ab4a840fcd008ecab5
SHA1 hash: b18d35378928ff15d652cdb21e48d48abac2ffa8
MD5 hash: c84fca197a6c0d8da1e804407643d901
humanhash: enemy-oklahoma-asparagus-utah
File name:arm5
Download: download sample
Signature Mirai
File size:75'336 bytes
First seen:2024-10-26 17:41:58 UTC
Last seen:2024-10-26 18:35:49 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Fjr84jhcwmCpuxo7UfezBWKcqE3Ei919UCDZ:Fjr84jSwm47welfcq89E6
TLSH T17D733B85BD819A22C5C121B7FB6F428D772653A8D3EF3203DD25AF20378796B0E67641
telfhash t126f02e1688250edc37d857cae1dd161b94d870f52c110754db7d6b2f8615cc6b522539
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 :
2
# of downloads :
124
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1542898 Sample: arm5.elf Startdate: 26/10/2024 Architecture: LINUX Score: 60 34 31.13.248.89, 3477, 38608, 49920 NETERRA-ASBG Bulgaria 2->34 36 194.87.198.29, 21679, 44186 LOGOL-ASRU Russian Federation 2->36 38 10 other IPs or domains 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Connects to many ports of the same IP (likely port scanning) 2->42 9 arm5.elf 2->9         started        signatures3 process4 process5 11 arm5.elf sh 9->11         started        13 arm5.elf 9->13         started        15 arm5.elf 9->15         started        17 arm5.elf 9->17         started        process6 19 sh crontab 11->19         started        23 sh 11->23         started        25 arm5.elf 13->25         started        27 arm5.elf 13->27         started        file7 32 /var/spool/cron/crontabs/tmp.Xufs4v, ASCII 19->32 dropped 44 Sample tries to persist itself using cron 19->44 46 Executes the "crontab" command typically for achieving persistence 19->46 29 sh crontab 23->29         started        signatures8 process9 signatures10 48 Executes the "crontab" command typically for achieving persistence 29->48
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-10-26 16:44:52 UTC
File Type:
ELF32 Little (Exe)
AV detection:
5 of 38 (13.16%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:unixredflags3
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 b302e2b482811ec560af9f458ad4fa120e6f6d98b0b70a9256c313bfc7d99f51

(this sample)

  
Delivery method
Distributed via web download

Comments