MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e89451bf15b4bf89fe666b83e2a3318162569344c6f238c14f37a2515ed82607. 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: e89451bf15b4bf89fe666b83e2a3318162569344c6f238c14f37a2515ed82607
SHA3-384 hash: c158a85f1e901172873e68df087c9b7d801cea077de6d941db6f6f33b99e5f9e7d46d85a68a22bc595d67db60372d6ad
SHA1 hash: 4d5f503b85a1feaad59e062fb78be5bc962151b3
MD5 hash: 2fa7afd9feb0d958b870733b9f9a3a63
humanhash: angel-maine-cup-connecticut
File name:w5c9u4xf
Download: download sample
Signature Mirai
Create hunting rule
File size:40'520 bytes
First seen:2025-12-20 18:12:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Kk8SXZQoydUhBC8YUEQ4drmE8EfTDKnTgnybczRnbcuyD7UHQRjt:6SPy0B9pUR8EfSnYconouy8HyJ
TLSH T1EE03E195C8AB7444C9EF22B7DEEF214A1120943C9CD95B60D2D032B6F992F763A847D3
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: 858af8cba31f33905f8aa6bd9e63c8de72687a47621371e290fbc28ced58068c

Intelligence

File Origin
# of uploads :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/73e99780-a4b8-434b-b58a-2d0a829140a9/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6946e7483f8fdbf8e94d1843/reports/fde03b25-f541-4f2a-bc51-982580fb62d0/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-20T15:21:00Z UTC
Last seen:
2025-12-21T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/e89451bf15b4bf89fe666b83e2a3318162569344c6f238c14f37a2515ed82607/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8ac23960-6806-47bc-a474-5f0eb8307aef
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1836803
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: 1836803 Sample: w5c9u4xf.elf Startdate: 20/12/2025 Architecture: LINUX Score: 68 23 latinashosting.com 94.156.152.67, 12121, 40664, 40666 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 w5c9u4xf.elf 2->10         started        signatures3 process4 process5 12 w5c9u4xf.elf 10->12         started        process6 14 w5c9u4xf.elf 12->14         started        process7 16 w5c9u4xf.elf 14->16         started        process8 18 w5c9u4xf.elf 16->18         started        21 w5c9u4xf.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/e89451bf15b4bf89fe666b83e2a3318162569344c6f238c14f37a2515ed82607
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e89451bf15b4bf89fe666b83e2a3318162569344c6f238c14f37a2515ed82607/
Verdict:
Malicious
Threat:
Family.Mirai
Link:
https://tip.neiki.dev/file/e89451bf15b4bf89fe666b83e2a3318162569344c6f238c14f37a2515ed82607
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 18:13:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5ckfdpyvws7yt7tgnob6fizrqfrfne2ey3zdrqkpg6rfcxwyeydq._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-wtly3sfl4x/
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/cbfc26cb-0b27-49b8-a85a-7a20fd1025eb
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/e89451bf15b4bf89fe666b83e2a3318162569344c6f238c14f37a2515ed82607

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 e89451bf15b4bf89fe666b83e2a3318162569344c6f238c14f37a2515ed82607

(this sample)

Mirai

elf 858af8cba31f33905f8aa6bd9e63c8de72687a47621371e290fbc28ced58068c

  
URLhaus
https://urlhaus.abuse.ch/url/3738279/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 858af8cba31f33905f8aa6bd9e63c8de72687a47621371e290fbc28ced58068c
  
Dropping
MD5 299dd36ad0414099e7afc6960b7eb13c

Comments