MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ef9c49ac068db6603e6cde54f3da6bedea7558c1d97f4732409d77c924b74cb. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ef9c49ac068db6603e6cde54f3da6bedea7558c1d97f4732409d77c924b74cb
SHA3-384 hash: bbe5c371f3e478b117b80a37d37fc2c685eb94e210a04f8062fb20c8b7151cec673f041de7f81da5e326f49ff58dc0af
SHA1 hash: 1de581fedcd8aedbeb41fd671f5d188e0f1bc804
MD5 hash: 2fcd08cc7a451df011b0308195858bf1
humanhash: mirror-oregon-pasta-timing
File name:ni686
Download: download sample
Signature Mirai
Create hunting rule
File size:40'520 bytes
First seen:2025-12-20 13:02:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Kk8SXZQoydUhBC8VsiFCKw3fwmNcDbOR9gA916nXnbcuyD7UHQRjF:6SPy0B9ZFswRb7416Xnouy8HyZ
TLSH T15903F1E1C1EA3D00F6DD0177CCFE39562228A1ACACA4A7A3419461FE7252B193F0D7B5
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
File size (compressed) :40'520 bytes
File size (de-compressed) :83'600 bytes
Format:linux/i386
Unpacked file: 36583f5cb244ffeaab3078927997f6980fec89146df91d5edf1bb9d018ae7ce8

Intelligence

File Origin
# of uploads :
1
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e9765f88-7d8c-4cf1-a9ad-23410812750b/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-20T05:22:00Z UTC
Last seen:
2025-12-20T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/3ef9c49ac068db6603e6cde54f3da6bedea7558c1d97f4732409d77c924b74cb/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/736e9ada-67fc-4eeb-b234-0e5b1e5facda
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1836734
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836734 Sample: ni686.elf Startdate: 20/12/2025 Architecture: LINUX Score: 68 23 latinashosting.com 94.156.152.67, 12121, 40678, 40680 NET1-ASBG Bulgaria 2->23 29 Malicious sample detected (through community Yara rule) 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sample is packed with UPX 2->33 10 ni686.elf 2->10         started        signatures3 process4 process5 12 ni686.elf 10->12         started        process6 14 ni686.elf 12->14         started        process7 16 ni686.elf 14->16         started        process8 18 ni686.elf 16->18         started        21 ni686.elf 16->21         started        signatures9 25 Manipulation of devices in /dev 18->25 27 Deletes system log files 18->27
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3ef9c49ac068db6603e6cde54f3da6bedea7558c1d97f4732409d77c924b74cb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3ef9c49ac068db6603e6cde54f3da6bedea7558c1d97f4732409d77c924b74cb/
Verdict:
Malicious
Threat:
Family.Mirai
Link:
https://tip.neiki.dev/file/3ef9c49ac068db6603e6cde54f3da6bedea7558c1d97f4732409d77c924b74cb
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 08:35:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h344jgwandnwma7gzxsu6pngx3pkovmmdwl7i4zebhlxzeslotfq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251220-qanqnsskct/
Behaviour
Reads runtime system information
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/adc872ae-e9f3-47fa-ac5a-edad6b9f0dd9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.74
Link:
https://yomi.yoroi.company/submissions/3ef9c49ac068db6603e6cde54f3da6bedea7558c1d97f4732409d77c924b74cb

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 3ef9c49ac068db6603e6cde54f3da6bedea7558c1d97f4732409d77c924b74cb

(this sample)

Mirai

elf 36583f5cb244ffeaab3078927997f6980fec89146df91d5edf1bb9d018ae7ce8

  
URLhaus
https://urlhaus.abuse.ch/url/3737951/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 36583f5cb244ffeaab3078927997f6980fec89146df91d5edf1bb9d018ae7ce8
  
Dropping
MD5 3835a7d1d2219bb41234afecb8edb058

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