MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef1d791e2c3e26ea5de95150cf7447eb6e9e155435458a20ec87c04e9ecbf557. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef1d791e2c3e26ea5de95150cf7447eb6e9e155435458a20ec87c04e9ecbf557
SHA3-384 hash: 80480bc59543550be680d2183e432518a97bd75e7eae27ecc93e67c3dfd12c6d645e14749487bad4169c9aeb660ba51d
SHA1 hash: 6cbca692bf513b7cf15789c6d685e81ea9dedbf7
MD5 hash: 7a2a3e65788129820ecbe702b9c17aac
humanhash: football-ohio-johnny-batman
File name:pmips
Download: download sample
Signature Mirai
Create hunting rule
File size:251'040 bytes
First seen:2026-04-14 16:47:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:ij98c4fR3mMXJc5TghvCigiPad32814eAs9VkjOZyrAYtTu1OILGrRgZO45LG3Jy:0AJzJJqALyfVlr
TLSH T15634C61A6F228F7DF369873547B78A25975D33C627E1D685E16CC2101E2038E642FFA8
telfhash t1884192181d7913b4a6656c5d489cff6ad6a320cb7e162c278a11e86efb69f838d11c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 6d8cbc0e492b78fb432eea727241fdf1d96402df5303027c502f400f88682d36
File size (compressed) :75'092 bytes
File size (de-compressed) :251'040 bytes
Format:linux/mips
Packed file: 6d8cbc0e492b78fb432eea727241fdf1d96402df5303027c502f400f88682d36

Intelligence

File Origin
# of uploads :
1
# of downloads :
132
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/81c12ad0-02c4-4744-b91f-c31a6753e1d1/
Detection(s):
Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Kills processes
Opens a port
Sends data to a server
Substitutes an application name
Deleting of the original file
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-04-14T14:20:00Z UTC
Last seen:
2026-04-16T05:29:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ef1d791e2c3e26ea5de95150cf7447eb6e9e155435458a20ec87c04e9ecbf557/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e1448470-753a-4fb3-a4c2-713c2d976c99
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef1d791e2c3e26ea5de95150cf7447eb6e9e155435458a20ec87c04e9ecbf557
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef1d791e2c3e26ea5de95150cf7447eb6e9e155435458a20ec87c04e9ecbf557/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-04-14 16:48:49 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54oxshrmhytouxpjkfim65ch5nxj4fkugvcyuihmq7ae5hwl6vlq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery
Link:
https://tria.ge/reports/260414-va138agt5l/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Deletes itself
Modifies Watchdog functionality
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/ef1d791e2c3e26ea5de95150cf7447eb6e9e155435458a20ec87c04e9ecbf557

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: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:telebot_framework
Create hunting rule
Author:vietdx.mb
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
Rule name:woof_mirai_variant
Create hunting rule
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 6d8cbc0e492b78fb432eea727241fdf1d96402df5303027c502f400f88682d36

Mirai

elf ef1d791e2c3e26ea5de95150cf7447eb6e9e155435458a20ec87c04e9ecbf557

(this sample)

  
Dropped by
SHA256 6d8cbc0e492b78fb432eea727241fdf1d96402df5303027c502f400f88682d36
  
URLhaus
https://urlhaus.abuse.ch/url/3791150/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 07ec8472d6cded04e7751881d4437f89

Comments