MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a1aef2a4ecb96b2d1002b4d847db36281c08ea63bbcf5ef7fb06e1b072fe646. 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: 7


Intelligence 7 IOCs YARA 7 File information Comments

SHA256 hash: 0a1aef2a4ecb96b2d1002b4d847db36281c08ea63bbcf5ef7fb06e1b072fe646
SHA3-384 hash: 44b49359e697a9035fd34e5cc517e36905a58b746438249ce50edd27d5de965c159184862f7018dade118f76dc735208
SHA1 hash: b1327db463e00ca810c8442e77cab8791ecf4e36
MD5 hash: 44a201baae38e8603b08113ccccbc854
humanhash: lactose-november-white-delta
File name:kworkerd-blkcg
Download: download sample
Signature Mirai
File size:282'044 bytes
First seen:2026-08-29 12:55:41 UTC
Last seen:2026-08-29 15:46:35 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:HQ444dUusdpTRms3GNFFvGpEV6isIPCqQ3I3IxpYan+dA8Zsac07DWH9p3K3Yfsf:Z44+uqULNFn6i/f6I3Ix2an+1Zsac0XN
TLSH T103542955AE409F02C5D126FAFBAE8289335B7BB8D3EE7112D9245F64338A48F0F27151
telfhash t13ad0a7d006668afc9684991360de0702204cf3563e0920e6e9f26ffd19a3147c854a19
Magika elf
Reporter BlinkzSec
Tags:mirai

Intelligence


File Origin
# of uploads :
4
# of downloads :
63
Origin country :
US US
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Changes the time when the file was created, accessed, or modified
Launching a process
Creating a file
Connection attempt
Sets a written file as executable
Creating a file in the %temp% directory
Manages services
Changes access rights for a written file
Collects information on the CPU
Creates or modifies files in /cron to set up autorun
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 expand gcc lolbin mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-29T10:16:00Z UTC
Last seen:
2026-08-29T14:44:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=469e30c1-1b00-0000-5d2c-f552f00b0000 pid=3056 /usr/bin/sudo guuid=559148c6-1b00-0000-5d2c-f552f40b0000 pid=3060 /tmp/sample.bin guuid=469e30c1-1b00-0000-5d2c-f552f00b0000 pid=3056->guuid=559148c6-1b00-0000-5d2c-f552f40b0000 pid=3060 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-29 12:46:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Checks CPU configuration
Creates/modifies Cron job
Enumerates running processes
Modifies systemd
Reads MAC address of network interface
Deletes itself
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 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

Mirai

elf 0a1aef2a4ecb96b2d1002b4d847db36281c08ea63bbcf5ef7fb06e1b072fe646

(this sample)

  
Delivery method
Distributed via web download

Comments