MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9b79576c5472e3b8dc949c8bb07601f20015a48dd5fee8cf4ba638ccce7e7c3. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments

SHA256 hash: b9b79576c5472e3b8dc949c8bb07601f20015a48dd5fee8cf4ba638ccce7e7c3
SHA3-384 hash: 1043dcf515c4aeaefdaaaa9c205f474997e2891030b9092bcf7b383e6768501340c05f2968d66b13cc12f97d09953ade
SHA1 hash: 5e73d571bb1ff6666ea3ee95e8805af2a74ed6fd
MD5 hash: cc226266816f96995301be4870d6f15b
humanhash: lion-apart-stairway-pennsylvania
File name:ssh
Download: download sample
Signature Mirai
File size:86'680 bytes
First seen:2025-07-16 23:47:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:gTpqI/dp4ZDOpIyLqUDOA5MHRdiGu3FGu:sII1GipIy7DOAaRdiPUu
TLSH T135836B13A04940FDC0AEC1B91BAE7632E922F4FE4332724637E4EE152E5DD602B5EE55
telfhash t19a31457879560ca0a1fbaa78b342e6a00ca01e2511d235e2ca379cf5cf773c10c7907b
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 :
26
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1738407 Sample: ssh.elf Startdate: 17/07/2025 Architecture: LINUX Score: 64 36 130.250.202.197 VXCHNGE-MN02US United States 2->36 38 100.127.68.252 UUNETUS Reserved 2->38 40 98 other IPs or domains 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Uses known network protocols on non-standard ports 2->46 9 ssh.elf 2->9         started        signatures3 process4 process5 11 ssh.elf 9->11         started        process6 13 ssh.elf sh 11->13         started        15 ssh.elf sh 11->15         started        17 ssh.elf sh 11->17         started        19 59 other processes 11->19 process7 21 sh killall 13->21         started        24 sh killall 15->24         started        26 sh killall 17->26         started        28 sh killall 19->28         started        30 sh killall 19->30         started        32 sh killall 19->32         started        34 56 other processes 19->34 signatures8 48 Terminates several processes with shell command 'killall' 21->48
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-07-16 23:48:28 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery linux
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (107090) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai 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 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
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_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:unixredflags3
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 b9b79576c5472e3b8dc949c8bb07601f20015a48dd5fee8cf4ba638ccce7e7c3

(this sample)

  
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_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments