MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9984df2dabb8112ccd999523e62ca9c671ed1a8e3649eb0928768919735d5200. 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 19 File information Comments

SHA256 hash: 9984df2dabb8112ccd999523e62ca9c671ed1a8e3649eb0928768919735d5200
SHA3-384 hash: 684c2d9425d1ecd69481fa6442d3c343ef1e13841cebe45c1d2f1f4faf9baf52922def5a3f539f0f8ec4dc51a327c408
SHA1 hash: 98e0b49b807f0fac602483c41bf1e3fabae1b1c7
MD5 hash: c81e88d2f2794afead3edb2b6b23c1e9
humanhash: september-five-muppet-potato
File name:kurayami.x86_64
Download: download sample
Signature Mirai
File size:189'992 bytes
First seen:2026-04-01 10:24:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:lZBh9eWdVFe5uF9Oe1BKTssZ6re6IPjN+gUmcxO+/cztjRlfhNV:lZBh9eWHFeXC6v6q+xV/E5NV
TLSH T198042906B5CCC0FDC89AD1344BAFB536D971BC5D023CB25B27C5AE222E4FEA05A2D645
telfhash t11f51dc701fe17a4c21ebc75bb31eea1afcb205061e92b8e59e4bbed85d127c40d52462
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 793ed95eb6ef4d880d85e5aaf46a415949a1894a1f1022aa11e9d8923e8b1b84
File size (compressed) :70'748 bytes
File size (de-compressed) :189'992 bytes
Format:linux/amd64
Packed file: 793ed95eb6ef4d880d85e5aaf46a415949a1894a1f1022aa11e9d8923e8b1b84

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Connection attempt
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-04-01T07:05:00Z UTC
Last seen:
2026-04-01T09:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw
Status:
terminated
Behavior Graph:
%3 guuid=ee7b9bf2-1700-0000-853e-53a5b50b0000 pid=2997 /usr/bin/sudo guuid=cbf461f4-1700-0000-853e-53a5bc0b0000 pid=3004 /tmp/sample.bin net guuid=ee7b9bf2-1700-0000-853e-53a5b50b0000 pid=2997->guuid=cbf461f4-1700-0000-853e-53a5bc0b0000 pid=3004 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=cbf461f4-1700-0000-853e-53a5bc0b0000 pid=3004->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=61db8af4-1700-0000-853e-53a5bd0b0000 pid=3005 /tmp/sample.bin guuid=cbf461f4-1700-0000-853e-53a5bc0b0000 pid=3004->guuid=61db8af4-1700-0000-853e-53a5bd0b0000 pid=3005 clone guuid=fb2d091f-1900-0000-853e-53a5030e0000 pid=3587 /tmp/sample.bin guuid=cbf461f4-1700-0000-853e-53a5bc0b0000 pid=3004->guuid=fb2d091f-1900-0000-853e-53a5030e0000 pid=3587 clone guuid=7b97101f-1900-0000-853e-53a5040e0000 pid=3588 /tmp/sample.bin net send-data zombie guuid=cbf461f4-1700-0000-853e-53a5bc0b0000 pid=3004->guuid=7b97101f-1900-0000-853e-53a5040e0000 pid=3588 clone guuid=6fc190f4-1700-0000-853e-53a5be0b0000 pid=3006 /tmp/sample.bin guuid=61db8af4-1700-0000-853e-53a5bd0b0000 pid=3005->guuid=6fc190f4-1700-0000-853e-53a5be0b0000 pid=3006 clone guuid=5da1a3f4-1700-0000-853e-53a5bf0b0000 pid=3007 /tmp/sample.bin net send-data zombie guuid=61db8af4-1700-0000-853e-53a5bd0b0000 pid=3005->guuid=5da1a3f4-1700-0000-853e-53a5bf0b0000 pid=3007 clone guuid=5da1a3f4-1700-0000-853e-53a5bf0b0000 pid=3007->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 941f7832-eda7-5d49-a355-c48f57fc945d 142.248.80.144:6934 guuid=5da1a3f4-1700-0000-853e-53a5bf0b0000 pid=3007->941f7832-eda7-5d49-a355-c48f57fc945d send: 6B guuid=7b97101f-1900-0000-853e-53a5040e0000 pid=3588->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=7b97101f-1900-0000-853e-53a5040e0000 pid=3588->941f7832-eda7-5d49-a355-c48f57fc945d send: 2B
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-01 10:25:24 UTC
File Type:
ELF64 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
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: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 9984df2dabb8112ccd999523e62ca9c671ed1a8e3649eb0928768919735d5200

(this sample)

  
Delivery method
Distributed via web download

Comments