MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a79fac4267a5e1bc4f6e28732412b3a57562581710be5632d2982845ce39e829. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a79fac4267a5e1bc4f6e28732412b3a57562581710be5632d2982845ce39e829
SHA3-384 hash: 19027f44dac5401ad344abae2162b97493d83417f6b78121136ed00f93dff20a02a64b97dd2c7f788a293b4d66e8c4ee
SHA1 hash: 4870dd9ef6a167edb3f66a798290f560abeaae0a
MD5 hash: f61896129b2f03b245d4e374e6366750
humanhash: floor-harry-montana-bakerloo
File name:sync.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:673'320 bytes
First seen:2025-12-01 15:37:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:bGUSOftZcP67kk2U9ATk4vVLcJA7x9G48oki7Z2DXvj/LYAyaegfqZFPhqI3MSQe:bAOFZcP67WkGEycI3M+t
TLSH T118E4384AFC808B61C6D136B6FB5E82E873471779D3EA71059E144B343BDA96A0F3A701
telfhash t120f09e006bc12730ea8959954387ae37c59e22b813457375ab322b1d092bec13525c33
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Sends data to a server
DNS request
Creating a file
Creating a file in the %temp% directory
Connection attempt
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/692db66401a04dd46560b344/reports/4f3ca803-ed1d-4368-9456-fceb58b66116/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a79fac4267a5e1bc4f6e28732412b3a57562581710be5632d2982845ce39e829
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d9d7bdf3-f448-46ef-803f-2427d0d2a4cd
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1823684
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1823684 Sample: sync.arm5.elf Startdate: 01/12/2025 Architecture: LINUX Score: 52 21 nexthosting.eu.org 147.135.120.3, 1222, 60840 OVHFR United States 2->21 23 109.202.202.202, 80 INIT7CH Switzerland 2->23 25 2 other IPs or domains 2->25 27 Multi AV Scanner detection for submitted file 2->27 8 dash rm sync.arm5.elf 2->8         started        11 dash rm 2->11         started        13 dash cut 2->13         started        15 7 other processes 2->15 signatures3 process4 signatures5 29 Sample deletes itself 8->29 17 sync.arm5.elf 8->17         started        process6 process7 19 sync.arm5.elf 17->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a79fac4267a5e1bc4f6e28732412b3a57562581710be5632d2982845ce39e829
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a79fac4267a5e1bc4f6e28732412b3a57562581710be5632d2982845ce39e829/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/a79fac4267a5e1bc4f6e28732412b3a57562581710be5632d2982845ce39e829
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-01 14:33:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6p2yqthuxq3yt3ofbzsievtuv2wewaxcc7fmmwstaueltrz5auq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/251201-s25vdasrgn/
Behaviour
Writes file to tmp directory
Changes its process name
Deletes itself
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f48480b7-9a91-481c-b682-e5a907c1e96f
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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
Create hunting rule
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 a79fac4267a5e1bc4f6e28732412b3a57562581710be5632d2982845ce39e829

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3722066/
  
Delivery method
Distributed via web download

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