MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d99df6ca4f4c45800357ad44814b72c72f066454e27a6e7f3b170edeb2aecda5. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d99df6ca4f4c45800357ad44814b72c72f066454e27a6e7f3b170edeb2aecda5
SHA3-384 hash: 29a93fcf5fa447ad243823f67be3ae8122e6d3cce5d4eb6e46e3cc5cbca860c3f39c981328190536afd759a159d643f0
SHA1 hash: f6f08e19449ff0d901c06c89382c616e0ac996de
MD5 hash: 7ecd30e714da8fbf5cd79fc5d486b094
humanhash: sad-seven-mockingbird-mexico
File name:kvariant.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:122'028 bytes
First seen:2025-09-26 04:12:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:SqEA8ASNsOWX50FUY6R0VuFV5/c9RPPUjtQ7PeXL5CgYi2WiSyKpfv:WT20sH5/czcRQ7QL5CzzKZ
TLSH T153C3B71A6E218F7EF269C7304BB78E31935923D627F1C681D2ACD6141E503CE585FBA8
telfhash t17821741c497823e497715d9a16edff77d15030df0a266d378e11ac6aa6add428d00c1c
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Exploit.Mirai-9795501-0
Create hunting rule

Unix.Exploit.Mirai-9798002-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Kills processes
Creating a file in the %temp% directory
DNS request
Runs as daemon
Sends data to a server
Creating a process from a recently created file
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/68d612eec564c8e81d082580/reports/6fed35ba-e848-4308-93e9-752c2fc2012b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
11
Number of processes launched:
18
Processes remaning?
true
Remote TCP ports scanned:
37215,23
Full report:
https://elfdigest.com/brief/d99df6ca4f4c45800357ad44814b72c72f066454e27a6e7f3b170edeb2aecda5
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-26T01:48:00Z UTC
Last seen:
2025-09-26T01:48:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Gafgyt.ge
Link:
https://opentip.kaspersky.com/d99df6ca4f4c45800357ad44814b72c72f066454e27a6e7f3b170edeb2aecda5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9f194de6-6757-4c56-b5a0-7afdca39765d
Behavior Graph:
Download SVG
%3 guuid=f96182d9-1600-0000-29d6-0944aa0c0000 pid=3242 /usr/bin/sudo guuid=6821a4db-1600-0000-29d6-0944ac0c0000 pid=3244 /tmp/sample.bin guuid=f96182d9-1600-0000-29d6-0944aa0c0000 pid=3242->guuid=6821a4db-1600-0000-29d6-0944ac0c0000 pid=3244 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5a7dd9a7-a299-43f8-842a-a5c2af6c61d4
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1784560
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d99df6ca4f4c45800357ad44814b72c72f066454e27a6e7f3b170edeb2aecda5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d99df6ca4f4c45800357ad44814b72c72f066454e27a6e7f3b170edeb2aecda5/
Verdict:
Malicious
Threat:
Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/d99df6ca4f4c45800357ad44814b72c72f066454e27a6e7f3b170edeb2aecda5
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-26 04:13:34 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3go7nsspjrcyaa2xvvcics3sy4xqmzcu4j5g47z3c4hn5mvozwsq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Link:
https://tria.ge/reports/250926-etasdatpx8/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads process memory
Enumerates running processes
Executes dropped EXE
Contacts a large (74332) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
YARA:
n/a
Link:
https://app.threat.zone/submission/488dfa61-c510-4e8f-9f4c-a4d93ccf9e40
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/d99df6ca4f4c45800357ad44814b72c72f066454e27a6e7f3b170edeb2aecda5

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
Create hunting rule
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 d99df6ca4f4c45800357ad44814b72c72f066454e27a6e7f3b170edeb2aecda5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3620497/
  
Delivery method
Distributed via web download

Comments