MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efd3fef3aad33b6ea4d0f8468abbe7cd348ae49a882425b39e7ad38d1d5d6e98. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments

SHA256 hash: efd3fef3aad33b6ea4d0f8468abbe7cd348ae49a882425b39e7ad38d1d5d6e98
SHA3-384 hash: 3581687f6bc50704b34c611bc60ef916ec68022ed4779245afa44a12a75759697ef72e0ca90c19d9ec87a30102268d33
SHA1 hash: 3202fd120a356e95fff4a96580bd6db7c2d3d0dc
MD5 hash: f2080356da5d23e655ef0e336214f61d
humanhash: butter-speaker-wyoming-aspen
File name:mirai.armv6l
Download: download sample
Signature Mirai
File size:281'629 bytes
First seen:2025-05-13 20:13:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:1ibwSB0lhmagBYtf5n3qr3eJAhyjLEsH2Lk1Wmskuj:1ip+lAasQxI57q2
TLSH T16E541946F9D8A72BC3D223BAFA7A0B6F3339864867D67215593016743FC27587B36024
telfhash t16921ce318b3156216a71dd64dce9a7a6512d82175348ab73df32c1cc601a09ee937c0f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
148
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Opens a port
Creating a file
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc lolbin mirai mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Trojan.LnxMirai
Status:
Malicious
First seen:
2025-05-13 20:14:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
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_Generic_Threat_d2dca9e7
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_0bce98a2
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_449937aa
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 efd3fef3aad33b6ea4d0f8468abbe7cd348ae49a882425b39e7ad38d1d5d6e98

(this sample)

  
Delivery method
Distributed via web download

Comments