MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a7e77eff17b6bab95e53989adca31512823cf0c92a342a1b7e2ca445d9bb560. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a7e77eff17b6bab95e53989adca31512823cf0c92a342a1b7e2ca445d9bb560
SHA3-384 hash: bcf4dcff928c336835c9cf4f081b86a3ed1d3338e1fd7c8601cffc573582be6dafa7d30a1fcf219660cb1b34c6003527
SHA1 hash: 21ee67d9a9b638621646e1b57fdc0f1eb0bdfa25
MD5 hash: f812a7b3a877f717eb6e54b843b41848
humanhash: early-sink-bravo-six
File name:arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:75'316 bytes
First seen:2024-11-08 02:41:50 UTC
Last seen:2024-11-27 11:35:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:tv0EIFo7UGa46Nv8HqH4bICmttmibWuZ1CvhhYNldSBJZZJ/iMsrsn48Tib02A/r:l05+69YsCOmiVv0BJHxso4H0Bj3mKE
TLSH T1FB733B51BC819A12C6D022BBFB5E428D372653A8D3EF7203DD25AF21778786B0E77641
telfhash t146f09e1548010cdc3fd01785a5e91227c89c70f5226513a8dbfd4a6a4322cc17413939
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 :
68
# of downloads :
121
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672d7a7ba5bee3c9d42ba619linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Link:
https://www.filescan.io/uploads/672d7a7bd0fb63ce72e87c5e/reports/2ca6877a-176f-4d83-a61b-90d20b768846/overview
Result
Verdict:
UNKNOWN
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f2687c64-c230-4844-8289-dd17f649b27a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1551721
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551721 Sample: arm5.elf Startdate: 08/11/2024 Architecture: LINUX Score: 60 34 91.149.238.18, 23477, 2456, 43208 MARTON-ASPL Poland 2->34 36 213.182.204.57, 22740, 23899, 39318 M247GB Latvia 2->36 38 7 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.MqTb5B, 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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9a7e77eff17b6bab95e53989adca31512823cf0c92a342a1b7e2ca445d9bb560
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a7e77eff17b6bab95e53989adca31512823cf0c92a342a1b7e2ca445d9bb560/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-11-08 02:42:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
5 of 38 (13.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tj7hp37rpnv2xfpfhge23srrkeuchtymskrufinx4lfeixm3wvqa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalatio
Link:
https://tria.ge/reports/241108-c61hfssngz/
Behaviour
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Enumerates running processes
File and Directory Permissions Modification
Renames itself
Unexpected DNS network traffic destination
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9f6db488-1c94-47fe-b137-bf6446fb5ad9
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/9a7e77eff17b6bab95e53989adca31512823cf0c92a342a1b7e2ca445d9bb560

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: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 9a7e77eff17b6bab95e53989adca31512823cf0c92a342a1b7e2ca445d9bb560

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3280871/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3192427/

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