MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f28646911f9785e1d4dd5c5c78f6034281d92b89f167392e28a1e065c3580538. 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

SHA256 hash: f28646911f9785e1d4dd5c5c78f6034281d92b89f167392e28a1e065c3580538
SHA3-384 hash: 0031519071d7c027fc9815fdfcfc0c088727edcb127921b8f567137e6febc6b953dc5d4a630dd97e428ef8f68d982eca
SHA1 hash: ec8b1f2cb3b599716848b9790165d22925a41379
MD5 hash: 5a444b11ae8463bc8cffb42d974b8259
humanhash: freddie-single-lithium-oxygen
File name:mao.i486
Download: download sample
Signature Mirai
File size:68'052 bytes
First seen:2026-02-03 12:14:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:oXNUiMOyfhjatzPnG9tagfXRigS0xIKBsCt/+wQutIyZXNPMOFrtSOC2UIbmcLtI:hOyf0y9tagfXRit0xKuSqtSkBL5J4D
TLSH T19E636C8BEA8BC6F0DD460AB0157BFB39DA3698303234CEB3D7D4F913ADA2541945625C
telfhash t16121e7fb0aae08edabc08880c2655b641659a63b18507b664373e239177ff42507bd3c
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 mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=7c04d3c4-1700-0000-c157-8086960c0000 pid=3222 /usr/bin/sudo guuid=d47aaac6-1700-0000-c157-80869c0c0000 pid=3228 /tmp/sample.bin net guuid=7c04d3c4-1700-0000-c157-8086960c0000 pid=3222->guuid=d47aaac6-1700-0000-c157-80869c0c0000 pid=3228 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=d47aaac6-1700-0000-c157-80869c0c0000 pid=3228->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Okiru
Behaviour
Behavior Graph:
Gathering data
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-02-03 16:33:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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_3bcc1630
Author:Elastic Security
Rule name:Linux_Generic_Threat_da28eb8b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a56423b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6e8e9257
Author:Elastic Security
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 f28646911f9785e1d4dd5c5c78f6034281d92b89f167392e28a1e065c3580538

(this sample)

  
Delivery method
Distributed via web download

Comments