MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 639619c412aa676ecd5430edefb22c62ef62288d65870b1badbe4c4abc066c6e. 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: 14


Intelligence 14 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 639619c412aa676ecd5430edefb22c62ef62288d65870b1badbe4c4abc066c6e
SHA3-384 hash: 1e4e76e526eca569f1922cd6a2600dd850c8af92ebe86fcbd96f50fbb672818e15e55bc856c5ea987a592ce806bb3bd9
SHA1 hash: c9bc8db6f7934b231fc2f31e32cc985671754d94
MD5 hash: d2094f324609c7dc44126db7f37112df
humanhash: network-grey-ten-pasta
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:51'200 bytes
First seen:2025-07-11 12:00:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Un+fjzQtRXvaJXVUec0mw8w7gBNOmwPmfOm8U:BjMLXvaVUX0QBNOm/OmR
TLSH T185332A07B98280FDC19CC274567BBA36C833B57D1239B6A63BD0FB276D46D211E1E944
telfhash t17a1108f5ba8f2da060f7b622e759ec266c740e5114e535e2c0b4adf8d9723420cb0837
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 :
1
# of downloads :
14
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30481.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28920.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135965-0
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6870fce5900df8e7f869d71elinux22vpnfull_triage
Tags:
backdoor overt
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet mirai obfuscated
Link:
https://www.filescan.io/uploads/6870fce780b46be06e9fd6a6/reports/2de555b8-9714-4bee-95a2-a95378550a71/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
45
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
37215,2323,23
Full report:
https://elfdigest.com/brief/639619c412aa676ecd5430edefb22c62ef62288d65870b1badbe4c4abc066c6e
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/88a8bfb8-06fa-427e-bb1c-295601f25186
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1733815
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1733815 Sample: x86_64.elf Startdate: 11/07/2025 Architecture: LINUX Score: 96 24 114.192.196.111 XEPHIONNTT-MECorporationJP Japan 2->24 26 157.182.219.124 WVUUS United States 2->26 28 99 other IPs or domains 2->28 30 Suricata IDS alerts for network traffic 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 4 other signatures 2->36 8 x86_64.elf 2->8         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 x86_64.elf 8->16         started        process6 18 x86_64.elf 16->18         started        20 x86_64.elf 16->20         started        22 x86_64.elf 16->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/639619c412aa676ecd5430edefb22c62ef62288d65870b1badbe4c4abc066c6e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/639619c412aa676ecd5430edefb22c62ef62288d65870b1badbe4c4abc066c6e/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-11 12:00:33 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=molbtrasvjtw5tkugdw67mrmmlxwekenmwdqwg5nxzgevpagnrxa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery linux
Link:
https://tria.ge/reports/250711-n6g7nahl4t/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (113114) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
bot.skylablool.live
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Dropper.Mirai-7135965-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_0bce98a2 Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_95e0056c Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/bf91b4d5-2b8f-4f4c-948b-371c4aae971f
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/639619c412aa676ecd5430edefb22c62ef62288d65870b1badbe4c4abc066c6e

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_95e0056c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:MatchByteSequence
Create hunting rule
Author:Generated by ChatGPT
Description:Rule to match specific byte sequence: 89 C8 C1 E8 08 31 D1 31 C8
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 639619c412aa676ecd5430edefb22c62ef62288d65870b1badbe4c4abc066c6e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3570273/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3576616/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments