MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ef44a5735c291a2e744e741cd54a0dcaa8da3428187936f81f3cc45285bfdd4. 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 33 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6ef44a5735c291a2e744e741cd54a0dcaa8da3428187936f81f3cc45285bfdd4
SHA3-384 hash: f9c4ddead8c824009b2d721d96e9e293d66cb4ed2a0789b872634386afef71e0b3924a0bfe90978d7a1e6ff21a4379f2
SHA1 hash: 4652625818dc7ecbe017ef39a10788219d34dbcc
MD5 hash: c6a48cec1b733d38dd62e3e36b814ca0
humanhash: fifteen-timing-eighteen-october
File name:ssh
Download: download sample
Signature Mirai
Create hunting rule
File size:157'267 bytes
First seen:2025-09-27 21:44:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:eEjevL+NhE+hsjgBv83YaeUhZHpWPd/xXzDCH7QDcBIGL5fJJz:eZg8I9Ubudh/CH7QDcBIGL5fJp
TLSH T15FE32823B2D1CDEAC05666F133EB92A1D862FC3D0B32604B77907E556F789D82A2D741
telfhash t1a64174529d7887242ff39928acad87b30222662353367f72af39c4cc54220a1e539d4f
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
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

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

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

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the OS
Opens a port
Kills processes
Connection attempt
Collects information on the CPU
Runs as daemon
Creating a file
Attempts to kill processes by name
Launching a process
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/68d85b08674d5fd6aa0e8e7d/reports/388f7aa6-b543-4f45-8d7f-87e2497d8e23/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/6ef44a5735c291a2e744e741cd54a0dcaa8da3428187936f81f3cc45285bfdd4
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-09-27T18:50:00Z UTC
Last seen:
2025-09-27T18:50:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Gafgyt.fz HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Gafgyt.a
Link:
https://opentip.kaspersky.com/6ef44a5735c291a2e744e741cd54a0dcaa8da3428187936f81f3cc45285bfdd4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6f3a8633-eb4c-4d2b-9e61-a0c872e31c33
Behavior Graph:
Download SVG
%3 guuid=b55174c9-1800-0000-2ad1-239f7a0a0000 pid=2682 /usr/bin/sudo guuid=799e32cb-1800-0000-2ad1-239f810a0000 pid=2689 /tmp/sample.bin net guuid=b55174c9-1800-0000-2ad1-239f7a0a0000 pid=2682->guuid=799e32cb-1800-0000-2ad1-239f810a0000 pid=2689 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=799e32cb-1800-0000-2ad1-239f810a0000 pid=2689->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=3c7c60cb-1800-0000-2ad1-239f830a0000 pid=2691 /tmp/sample.bin zombie guuid=799e32cb-1800-0000-2ad1-239f810a0000 pid=2689->guuid=3c7c60cb-1800-0000-2ad1-239f830a0000 pid=2691 clone guuid=a8d762cb-1800-0000-2ad1-239f840a0000 pid=2692 /tmp/sample.bin guuid=799e32cb-1800-0000-2ad1-239f810a0000 pid=2689->guuid=a8d762cb-1800-0000-2ad1-239f840a0000 pid=2692 clone guuid=431965cb-1800-0000-2ad1-239f850a0000 pid=2693 /tmp/sample.bin guuid=799e32cb-1800-0000-2ad1-239f810a0000 pid=2689->guuid=431965cb-1800-0000-2ad1-239f850a0000 pid=2693 clone guuid=729167cb-1800-0000-2ad1-239f860a0000 pid=2694 /tmp/sample.bin net zombie guuid=431965cb-1800-0000-2ad1-239f850a0000 pid=2693->guuid=729167cb-1800-0000-2ad1-239f860a0000 pid=2694 clone 92730bb6-2e46-5651-a865-df6b1a22043a 206.123.145.140:65481 guuid=729167cb-1800-0000-2ad1-239f860a0000 pid=2694->92730bb6-2e46-5651-a865-df6b1a22043a con
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0f043398-3466-453c-b75a-0d71fca53507
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1785286
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
Malicious sample detected (through community Yara rule)
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: 1785286 Sample: ssh.elf Startdate: 27/09/2025 Architecture: LINUX Score: 88 45 206.123.145.140, 65481 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 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 3 other signatures 2->57 9 ssh.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 ssh.elf 9->14         started        16 ssh.elf 9->16         started        18 ssh.elf 9->18         started        process6 process7 20 ssh.elf sh 14->20         started        22 ssh.elf sh 14->22         started        24 ssh.elf sh 14->24         started        28 21 other processes 14->28 26 ssh.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/6ef44a5735c291a2e744e741cd54a0dcaa8da3428187936f81f3cc45285bfdd4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6ef44a5735c291a2e744e741cd54a0dcaa8da3428187936f81f3cc45285bfdd4/
Verdict:
Malicious
Threat:
Family.GAFGYT
Link:
https://tip.neiki.dev/file/6ef44a5735c291a2e744e741cd54a0dcaa8da3428187936f81f3cc45285bfdd4
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-27 21:45:44 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n32euvzvyki2fz2e45a42vfa3svi3i2cqgdzg34b6pgekkc37xka._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery linux
Link:
https://tria.ge/reports/250927-1mfwps1zf1/
Behaviour
Changes its process name
Reads system network configuration
Reads system routing table
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_a6a2adb9 Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_f3d83a74 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_e0673a90 Linux_Trojan_Gafgyt_a0a4de11 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_09c3070e Linux_Trojan_Gafgyt_46eec778 Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_656bf077 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_dd0d6173 Linux_Trojan_Gafgyt_779e142f Linux_Trojan_Gafgyt_cf84c9f2 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_862c4e0e Linux_Trojan_Gafgyt_32eb0c81 Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_3fe3c668 Linux_Trojan_Mirai_637f2c04
Link:
https://app.threat.zone/submission/dad3ccc4-7139-44e7-bfa3-0e49ffaa63b8
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/6ef44a5735c291a2e744e741cd54a0dcaa8da3428187936f81f3cc45285bfdd4

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:generic_IG_stealer
Create hunting rule
Author:RE4rensics
Description:Detects stealers that interacts with IG endpoints after stealing IG cookies
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_09c3070e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_46eec778
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_656bf077
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_779e142f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_862c4e0e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a0a4de11
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a6a2adb9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_cf84c9f2
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:Linux_Trojan_Gafgyt_dd0d6173
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_e0673a90
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3fe3c668
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_637f2c04
Create hunting rule
Author:Elastic Security
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 6ef44a5735c291a2e744e741cd54a0dcaa8da3428187936f81f3cc45285bfdd4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576535/
  
Delivery method
Distributed via web download

Comments