MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c838fd942bbb2f84a84aae2322cdde91d7be79582c6959223af96cae6c26aaaf. 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: 8


Intelligence 8 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c838fd942bbb2f84a84aae2322cdde91d7be79582c6959223af96cae6c26aaaf
SHA3-384 hash: 136cf91c5748b52ea79812dc6cee4bfb32d74024497cb2b3c1e5c685c558d5e9212b493d798434fcf8ece930cbaa4d1d
SHA1 hash: 3972864fed20b89c53e15c87bcd30966c9f725de
MD5 hash: 33e12ee29ee881df260aa490b7296c93
humanhash: ohio-south-lamp-foxtrot
File name:bin.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:192'996 bytes
First seen:2026-06-26 06:06:46 UTC
Last seen:2026-06-26 20:34:35 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:7VQvbpvW59+CyOmZRcGF5hwRj0aKKFk9dl1blpDi1:7mVOb+C4RTUx0D1TDi
TLSH T1CC142B45B643CEF3E41304F011B7973E0B30ED364836D595EBA8AEB5DA27AC166163AC
telfhash t1d3915b76a9a61bed7be0d902d6cb5311ce18e17b352035fd06f616c832b2f416366c3a
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 BlinkzSec
Tags:mirai

Intelligence

File Origin
# of uploads :
5
# of downloads :
65
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-7759336-0
Create hunting rule

Unix.Trojan.Mirai-7772538-0
Create hunting rule

Unix.Exploit.Mirai-9795501-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9924065-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

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

Unix.Trojan.Mirai-10004218-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-10036478-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Manages services
Deleting a recently created file
Sets a written file as executable
Receives data from a server
Connection attempt
Removes directories
DNS request
Runs as daemon
Launching a process
Opens a port
Sends data to a server
Mounts file systems
Creating a file
Changes the time when the file was created, accessed, or modified
Kills processes
Changes access rights for a written file
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade
Link:
https://www.filescan.io/uploads/6a3e17e6d2b09298f59e73c8/reports/47b44580-fc9c-4019-8373-68a106a10cd5/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-25T01:35:00Z UTC
Last seen:
2026-06-27T20:16:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c838fd942bbb2f84a84aae2322cdde91d7be79582c6959223af96cae6c26aaaf/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48e3aa22-e86a-41e4-8582-17c73bccd5e5
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c838fd942bbb2f84a84aae2322cdde91d7be79582c6959223af96cae6c26aaaf
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c838fd942bbb2f84a84aae2322cdde91d7be79582c6959223af96cae6c26aaaf/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-25 05:15:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=za4p3fblxmxyjkckvyrsfto6shl346kyfruvsir27fwk43bgvkxq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260626-l94tqabs5q/
Behaviour
Reads runtime system information
Changes its process name
Write file to user bin folder
Creates/modifies Cron job
Deletes log files
Enumerates running processes
Modifies init.d
Modifies systemd
File and Directory Permissions Modification
Deletes Audit logs
Deletes itself
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/c838fd942bbb2f84a84aae2322cdde91d7be79582c6959223af96cae6c26aaaf

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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 c838fd942bbb2f84a84aae2322cdde91d7be79582c6959223af96cae6c26aaaf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3876278/
  
Delivery method
Distributed via web download

Comments