MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cffff3d2a20e308fbfbccabd49b4de41edf7f6de57ed7a6ff0d8ac6b10a23d0b. 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


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: cffff3d2a20e308fbfbccabd49b4de41edf7f6de57ed7a6ff0d8ac6b10a23d0b
SHA3-384 hash: da33d8530f71d5ab0e8a1a9271776ed4e72f26699851aae2640968efe455a8f9282718bae10bf3b2521c68c7f1f33e5e
SHA1 hash: e1e3c855adc6d941a79ec7fc779383ecabc05f4b
MD5 hash: 1bd926b3f3e4127d967c251631472057
humanhash: alanine-black-nitrogen-johnny
File name:x86_64
Download: download sample
Signature Mirai
File size:215'248 bytes
First seen:2026-06-29 13:32:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:y1OnKk6cQOs4cTlc3DI3gpPVt//XFQG0oXr+qbo:2OnK3fA/rr+C
TLSH T1B0246D03B6A254FDC08AC4F0475FA356EE3778A9461B75F77B843A313912EB18E09792
telfhash t1d65110341dd13a6e2292ca02b31f5a2efdb7141745e5b6f8ff17aee09c4bac84c52461
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 e3d74eaffc4310832575fe78cffcda25297bcd7421746cf51e01db54670df564
File size (compressed) :87'908 bytes
File size (de-compressed) :215'248 bytes
Format:linux/amd64
Packed file: e3d74eaffc4310832575fe78cffcda25297bcd7421746cf51e01db54670df564

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Opens a port
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
9
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-06-29T10:44:00Z UTC
Last seen:
2026-06-29T10:58:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Gathering data
Result
Threat name:
n/a
Detection:
suspicious
Classification:
troj
Score:
23 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1934964 Sample: x86_64.elf Startdate: 29/06/2026 Architecture: LINUX Score: 23 29 157.254.205.120, 80 INCEPTIONGB United States 2->29 31 157.254.205.121, 80 INCEPTIONGB United States 2->31 33 99 other IPs or domains 2->33 35 Connects to many IPs within the same subnet mask (likely port scanning) 2->35 9 x86_64.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 x86_64.elf 9->15         started        process6 17 x86_64.elf 15->17         started        19 x86_64.elf 15->19         started        process7 21 x86_64.elf 17->21         started        23 x86_64.elf 17->23         started        25 x86_64.elf 19->25         started        27 x86_64.elf 19->27         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-29 13:33:27 UTC
File Type:
ELF64 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Changes its process name
Contacts a large (1044) amount of remote hosts
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 cffff3d2a20e308fbfbccabd49b4de41edf7f6de57ed7a6ff0d8ac6b10a23d0b

(this sample)

  
Delivery method
Distributed via web download

Comments