MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b54cd0c234e41d48539a09f5e85362bf202697db0a1ebf949c57db9e20b908ea. 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: 10
| SHA256 hash: | b54cd0c234e41d48539a09f5e85362bf202697db0a1ebf949c57db9e20b908ea |
|---|---|
| SHA3-384 hash: | 782aa89afe3e8f8e86f7c8b5775a0ad0fdf5755140dd343b3796d4ee6ebe05c70c6f9d55cdcfba96d3cb170837698396 |
| SHA1 hash: | f2c4dfd9be1ddbd0aa38eba647afff5235aff457 |
| MD5 hash: | 2858c7e3823792bdfa48d68d642c3ffe |
| humanhash: | jupiter-georgia-lake-william |
| File name: | kaf.x86 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 1'623'024 bytes |
| First seen: | 2026-05-05 16:50:14 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 24576:WUm6Wb2x1Pgc+SHXNgTo4OvGjNPmDQTQuRIIwyaUEBgum3O7no131vP7E58:H0b2x1IcdXNgUMNMQXiX |
| TLSH | T190757C2EB2B2B17CE04BC03457DFC6A25631B0B526323D7B37C59A712D66CE16359B22 |
| telfhash | t14d429a7048ed75a0a2d6c646f322f1b59a3218f662fc767057277d85dfd0f800c7a86a |
| 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: | Hajime mirai |
Intelligence
File Origin
# of uploads :
1
# of downloads :
58
Origin country :
USVendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Behaviour
Runs as daemon
Receives data from a server
Manages services
Changes access rights for a written file
Locks files
Launching a process
Sends data to a server
Sets a written file as executable
Creating a file
Changes the time when the file was created, accessed, or modified
Creating a file in the %temp% directory
Connection attempt
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:
2.5/10
Confidence:
100%
Tags:
expand gcc lolbin masquerade obfuscated
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:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-05-05T13:55:00Z UTC
Last seen:
2026-05-07T06:39:00Z UTC
Hits:
~100
Detections:
HEUR:Exploit.Linux.DLink.b HEUR:Exploit.Linux.CVE-2018-10561.a HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Exploit.Linux.Vacron.a HEUR:Exploit.Linux.Netgear.b
Status:
terminated
Behavior Graph:
Verdict:
Suspicious
Score:
100%
Verdict:
Malware
File Type:
ELF
Verdict:
Malicious
Threat:
Family.MIRAI
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2026-05-05 16:43:36 UTC
File Type:
ELF64 Little (Exe)
AV detection:
6 of 24 (25.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
Modifies rc script
Modifies systemd
Unexpected DNS network traffic destination
Malware family:
Mirai
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | Detect_all_IPv6_variants |
|---|---|
| Author: | Bierchermuesli |
| Description: | Generic IPv6 catcher |
| Rule name: | ELF_Mirai |
|---|---|
| Author: | NDA0E |
| Description: | Detects multiple Mirai variants |
| Rule name: | enterpriseapps2 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Enterprise apps |
| Rule name: | F01_s1ckrule |
|---|---|
| Author: | s1ckb017 |
| Rule name: | iot_req_metachar |
|---|
| Rule name: | malwareelf55503 |
|---|
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | TH_Generic_MassHunt_Linux_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Linux malware mass-hunt rule - 2026 |
| Reference: | https://cyfare.net/ |
| 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
Delivery method
Distributed via web download
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.