MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf2f6cabef911ce9831a056876f3485179d29f64f94d02c9601950ada1eea3e7. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf2f6cabef911ce9831a056876f3485179d29f64f94d02c9601950ada1eea3e7
SHA3-384 hash: ea30c125ecf1021789f1e68d411a7f76a2c54ace61aac7ab5bb9c092facb90eb0d3048cb78ad8b7505c3cdefe5095ed2
SHA1 hash: fb00ca924700de464c520e8bfb969f71552fd987
MD5 hash: fca96b2cfef2ac864a61d4deed308fb7
humanhash: tennis-item-dakota-mobile
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:169'232 bytes
First seen:2025-08-11 19:25:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:mBVMIfBELFk9alB6dN3Ch1v1SbwD1r5M8Xox9iT9iwsKyoiM:mBaIfBpkNuL0DsKriM
TLSH T18DF36B0675C1A4FEC8D5C1748BEFE226DA32F0095234B66F27C4AE267E9DF202B5D650
telfhash t12b511e703da63958a1ebe67a734fe928f83205041de1b0e59e3759e9ce0abc41d72472
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 :
31
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-10056448-0
Create hunting rule

Unix.Trojan.Mirai-10056452-0
Create hunting rule

Unix.Trojan.Mirai-10056453-0
Create hunting rule

Unix.Trojan.Mirai-10056456-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Creating a file
Sets a written file as executable
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin obfuscated remote threat
Link:
https://www.filescan.io/uploads/689a44d99ef4d2ff7cf6e490/reports/b0b07938-d266-4d17-b7de-91a702e09ddb/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
87
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/bf2f6cabef911ce9831a056876f3485179d29f64f94d02c9601950ada1eea3e7
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a2e0853f-d0ad-4ee1-9cfe-0f806fe1deb3
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1754877
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1754877 Sample: x86_64.elf Startdate: 11/08/2025 Architecture: LINUX Score: 100 36 92.113.21.114, 3030 UKRTELNETUA Ukraine 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for dropped file 2->42 44 4 other signatures 2->44 11 x86_64.elf 2->11         started        13 gnome-session-binary sh gsd-print-notifications 2->13         started        15 systemd journalctl 2->15         started        17 31 other processes 2->17 signatures3 process4 process5 19 x86_64.elf 11->19         started        process6 21 x86_64.elf 19->21         started        file7 32 /var/main, ELF 21->32 dropped 34 /etc/init.d/xs.main, POSIX 21->34 dropped 46 Sample tries to set files in /etc globally writable 21->46 48 Drops files in suspicious directories 21->48 50 Sample deletes itself 21->50 25 x86_64.elf 21->25         started        signatures8 process9 process10 27 x86_64.elf 25->27         started        process11 29 x86_64.elf 27->29         started        signatures12 52 Sample tries to kill multiple processes (SIGKILL) 29->52
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf2f6cabef911ce9831a056876f3485179d29f64f94d02c9601950ada1eea3e7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf2f6cabef911ce9831a056876f3485179d29f64f94d02c9601950ada1eea3e7/
Verdict:
Malicious
Threat:
Linux.Exploit.Mirai
Link:
https://tip.neiki.dev/file/bf2f6cabef911ce9831a056876f3485179d29f64f94d02c9601950ada1eea3e7
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-11 19:36:33 UTC
File Type:
ELF64 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4xwzk7pseootay2avuhn42ikf45fh3e7fgqfsladfik3ipouptq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux persistence
Link:
https://tria.ge/reports/250811-x7zmrss1dz/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363
Link:
https://app.threat.zone/submission/4431b870-ec3b-49ae-9317-384043673108
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
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

sh a594d645176435e752335c80e7cf336f6b45fef96618ba28707905ddf5be701f

Mirai

elf bf2f6cabef911ce9831a056876f3485179d29f64f94d02c9601950ada1eea3e7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3600943/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 a594d645176435e752335c80e7cf336f6b45fef96618ba28707905ddf5be701f
  
Dropped by
MD5 650e402a529719649d58cea8ddf6d1cf
  
Dropped by
SHA256 160decaf579dadd716bdc245ec4150a6f1f7b4762a830b7a84d8c0fed3b78616
  
Dropped by
MD5 16f67ca4f26708e2661e9f26009a43d5
  
URLhaus
https://urlhaus.abuse.ch/url/3600955/
  
URLhaus
https://urlhaus.abuse.ch/url/3600953/

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