MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af3117c86a635d825c826206296722a99e0e4641c9e7f2a6f91dc63c992f0fab. 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: 12


Intelligence 12 IOCs YARA 18 File information Comments

SHA256 hash: af3117c86a635d825c826206296722a99e0e4641c9e7f2a6f91dc63c992f0fab
SHA3-384 hash: 285c13b74d2155446c31fe00b341b37c34eb8428df9b7136c4badc89c8d98ed159e6ce7a31b8b3ee737a0acdac0b32b8
SHA1 hash: a7c97513c139d4ca6ad84e78f7c31bf85aa0fd7a
MD5 hash: de082d4c20eb814819e49bcb4cd0d846
humanhash: nebraska-magazine-victor-aspen
File name:ciubuc_i486
Download: download sample
Signature Mirai
File size:2'411'416 bytes
First seen:2026-04-12 11:30:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:ZRiYaDTszqGAXXPG1m2GLoDmvDzA+l4stLRDyBb+ejlZZY1MXspNHRD7MaJ1pX0P:4K3oDoEDzAmKrjljve3X4cMzxppkVo8
TLSH T1CEB57C03E683C4F1DA560BF4125BFB7B893699164121C963DB98F929BD72312E70A33D
telfhash t1c76342b7d2cda5dc2be0860a9a4f6f21dac2d43319f1b8b289dbf8c215339529d35474
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
55
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
Changes access rights for a written file
Deleting a recently created file
Sends data to a server
Kills processes
Receives data from a server
Creating a file
Changes access rights for a file
Opens a port
Runs as daemon
Deletes a file
Accesses SSH
Traces processes
Substitutes an application name
Deletes a system binary file
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 gafgyt mirai obfuscated rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
82
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
2323,23
Behaviour
Process Renaming
Anti-Debugging
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-12T08:37:00Z UTC
Last seen:
2026-04-12T09:05:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-04-12 11:31:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes itself
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Traces itself
Contacts a large (150527) amount of remote hosts
Creates a large amount of network flows
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a56423b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6e8e9257
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_aa39fb02
Author:Elastic Security
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf af3117c86a635d825c826206296722a99e0e4641c9e7f2a6f91dc63c992f0fab

(this sample)

  
Delivery method
Distributed via web download

Comments