MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ef15ef0cfcb887f19152d59fce9eeb3739443f72e0d25ce82da1b18efafd325. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ef15ef0cfcb887f19152d59fce9eeb3739443f72e0d25ce82da1b18efafd325
SHA3-384 hash: 60b9bdd52223b313073b908ed66b1347a5f5c737b901b1466423492bd14eb37d7f7db45dddde45f60cf866cabb2d3b0f
SHA1 hash: 8adf2d7a75647863e10beef831fc300db4125156
MD5 hash: ff28949df9d4aa1e95205dc8d4023162
humanhash: carpet-december-nine-victor
File name:telnetd
Download: download sample
Signature Mirai
Create hunting rule
File size:176'731 bytes
First seen:2025-08-08 18:26:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:lL3hhGwBgS9b5M4yBgTMH3Sx/JATl4LEv5z:lLx/gS9FXyBrH3Sx/JATl4LEvZ
TLSH T125049529B7A19EB7DC0ECE73019A4501108CE98A02E96F6FB674E51CF3ABD4E05E3D44
telfhash t13a316752997942282ff69928bcad46b30112662353562f72af75c5cc44260a1e539d4b
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30541.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-10056454-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Collects information on the CPU
Launching a process
Collects information on the OS
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc threat
Link:
https://www.filescan.io/uploads/689641a32fbe0788fb1c7208/reports/cd2c91e1-48a7-45f5-bd74-9bd12c7b331e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/8ef15ef0cfcb887f19152d59fce9eeb3739443f72e0d25ce82da1b18efafd325
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/55ffd0f3-f4d0-4c26-a973-1c0ede36bbb2
Behavior Graph:
Download SVG
%3 guuid=d6742cf1-1600-0000-8f38-be12bb0d0000 pid=3515 /usr/bin/sudo guuid=58b7b3f3-1600-0000-8f38-be12c20d0000 pid=3522 /tmp/sample.bin guuid=d6742cf1-1600-0000-8f38-be12bb0d0000 pid=3515->guuid=58b7b3f3-1600-0000-8f38-be12c20d0000 pid=3522 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5d9d6284-eb1f-42e4-ade9-dbb0551ad87a
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1753292
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1753292 Sample: telnetd.elf Startdate: 08/08/2025 Architecture: LINUX Score: 80 45 206.123.128.67, 43162, 43164, 43166 LEASEWEB-USA-NYC-11US United States 2->45 47 169.254.169.254, 80 USDOSUS Reserved 2->47 49 daisy.ubuntu.com 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Gafgyt 2->55 57 2 other signatures 2->57 9 telnetd.elf 2->9         started        12 python3.8 dpkg 2->12         started        signatures3 process4 signatures5 59 Opens /proc/net/* files useful for finding connected devices and routers 9->59 14 telnetd.elf 9->14         started        16 telnetd.elf 9->16         started        18 telnetd.elf 9->18         started        process6 process7 20 telnetd.elf sh 14->20         started        22 telnetd.elf sh 14->22         started        24 telnetd.elf sh 14->24         started        28 21 other processes 14->28 26 telnetd.elf 16->26         started        process8 30 sh killall 20->30         started        33 sh killall 22->33         started        35 sh killall 24->35         started        37 sh killall 28->37         started        39 sh killall 28->39         started        41 sh killall 28->41         started        43 18 other processes 28->43 signatures9 61 Terminates several processes with shell command 'killall' 30->61
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8ef15ef0cfcb887f19152d59fce9eeb3739443f72e0d25ce82da1b18efafd325
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8ef15ef0cfcb887f19152d59fce9eeb3739443f72e0d25ce82da1b18efafd325/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/8ef15ef0cfcb887f19152d59fce9eeb3739443f72e0d25ce82da1b18efafd325
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-08-08 18:27:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r3yv54gpzoeh6givfvm7z2pownzziq7xfygsltuc3inrr35p2msq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt antivm defense_evasion discovery
Link:
https://tria.ge/reports/250808-w3geysbr7z/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads CPU attributes
Reads system network configuration
Enumerates running processes
Reads system routing table
Modifies Watchdog functionality
Writes memory of remote process
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7139229-0
YARA:
n/a
Link:
https://app.threat.zone/submission/0d2f5f6e-2585-4aa1-99c2-b3fb058355b5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8ef15ef0cfcb887f19152d59fce9eeb3739443f72e0d25ce82da1b18efafd325

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 8ef15ef0cfcb887f19152d59fce9eeb3739443f72e0d25ce82da1b18efafd325

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576544/
  
Delivery method
Distributed via web download

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments