MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b66f8c544c1882dc1c63e08e6b92e38df9fe4e4d4b13fdd3e9dbc186b7f923a. 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 4 File information Comments

SHA256 hash: 3b66f8c544c1882dc1c63e08e6b92e38df9fe4e4d4b13fdd3e9dbc186b7f923a
SHA3-384 hash: 74e77af78b38fb502593ec5eb6599f2b8cc7d4ccb0033faeb7086884e83543c9ee106c104e3abc29ee08ab8348c6630d
SHA1 hash: 8ccbe57a23d98b1c96865c99b3e7b16be546460f
MD5 hash: 6617074fda9500aa714882298bef6463
humanhash: equal-leopard-sink-robin
File name:disconnectraw.arm7
Download: download sample
Signature Mirai
File size:157'272 bytes
First seen:2026-08-06 13:12:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:8nzyVDXtElWD0D9/VZRUlIbcPSiC/1j4yYOj9u80eQTC/AM/5:8nGVDXtElWDA9/VZRUu4PSrj4yYOj9uu
TLSH T1B8E30855FC90DE52C5C02A7ABA8E428D332317B8D3EAB102DD245F2577EF95A0B3E941
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
61
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sets a written file as executable
Creating a file
Sends data to a server
Manages services
Changes access rights for a file
Runs as daemon
Receives data from a server
Changes the time when the file was created, accessed, or modified
Kills processes
Opens a port
Connection attempt
Launching a process
Changes access rights for a written file
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 lolbin masquerade obfuscated rust
Status:
terminated
Behavior Graph:
%3 guuid=f93f97f6-1b00-0000-0228-d028900a0000 pid=2704 /usr/bin/sudo guuid=117d36f9-1b00-0000-0228-d028930a0000 pid=2707 /tmp/sample.bin guuid=f93f97f6-1b00-0000-0228-d028900a0000 pid=2704->guuid=117d36f9-1b00-0000-0228-d028930a0000 pid=2707 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-06 13:13:31 UTC
File Type:
ELF32 Little (SO)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Looks up external IP address via web service
Modifies rc script
Modifies systemd
Write file to user bin folder
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_arm_mips_ko_so
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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 3b66f8c544c1882dc1c63e08e6b92e38df9fe4e4d4b13fdd3e9dbc186b7f923a

(this sample)

  
Delivery method
Distributed via web download

Comments