MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76f4346fd91acdf7b9c37ba5738afb215fcc793c02ef46df8a22355fedb91e01. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76f4346fd91acdf7b9c37ba5738afb215fcc793c02ef46df8a22355fedb91e01
SHA3-384 hash: f67bf590e503e380b400fa58f82a8bf24df635725f483cd727141eebf7c5b44fb85f62799cf7c357ba345abd6808685b
SHA1 hash: 542d17f62e3372e220c4ace15a4480d78b4f4126
MD5 hash: 180781bb607ae6bde186929e3570ef0a
humanhash: cardinal-may-ohio-michigan
File name:Kloki.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:30'472 bytes
First seen:2025-01-08 18:41:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:F/DkhFYywTBFgoTCJCHjJ2WlfxSkbZnbcuyD7UoURb:Fr8YzdFjxj9fRZnouy8J
TLSH T144D2F15CA1D86864D05F917B261EB40A89A0B90DE6E8C9BBCDFC343782D07E4792961F
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-10028259-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677ec840ffdcee13ec879a9flinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Opens a port
Creating a file
Runs as daemon
Kills critical processes
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug masquerade
Link:
https://www.filescan.io/uploads/677ec7004374c29b2aeee43b/reports/5ebc6a24-b521-485f-9f77-abf22bfb2e3b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
custom
Botnet:
unknown
Number of open files:
3
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
13566
Full report:
https://elfdigest.com/brief/76f4346fd91acdf7b9c37ba5738afb215fcc793c02ef46df8a22355fedb91e01
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a9f0861a-c6b1-4993-b23f-9636775b4382
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1586171
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1586171 Sample: Kloki.x86.elf Startdate: 08/01/2025 Architecture: LINUX Score: 60 23 83.222.164.65, 13566, 43086 WAVENETLB Bulgaria 2->23 25 83.222.165.88, 13566, 33442 WAVENETLB Bulgaria 2->25 27 69 other IPs or domains 2->27 31 Malicious sample detected (through community Yara rule) 2->31 33 Multi AV Scanner detection for submitted file 2->33 8 Kloki.x86.elf 2->8         started        10 gnome-session-binary sh gsd-sharing 2->10         started        12 gnome-session-binary sh gnome-shell 2->12         started        14 5 other processes 2->14 signatures3 process4 process5 16 Kloki.x86.elf 8->16         started        process6 18 Kloki.x86.elf 16->18         started        21 Kloki.x86.elf 16->21         started        signatures7 29 Sample tries to kill multiple processes (SIGKILL) 18->29
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/76f4346fd91acdf7b9c37ba5738afb215fcc793c02ef46df8a22355fedb91e01
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76f4346fd91acdf7b9c37ba5738afb215fcc793c02ef46df8a22355fedb91e01/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-08 18:42:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o32di36zdlg7poodposxhcx3efp4y6j4alxunx4kei2v73nzdyaq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux rootkit
Link:
https://tria.ge/reports/250108-xcbmfs1khm/
Behaviour
Loads a kernel module
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-10028259-0
YARA:
Linux_Trojan_Mirai_b548632d
Link:
https://app.threat.zone/submission/67be464c-424c-4bb5-8574-44ffdfa1f336
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/76f4346fd91acdf7b9c37ba5738afb215fcc793c02ef46df8a22355fedb91e01

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_b548632d
Create hunting rule
Author:Elastic Security
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_antiunpack_elf32
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information

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

Web download

Mirai

elf 76f4346fd91acdf7b9c37ba5738afb215fcc793c02ef46df8a22355fedb91e01

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3393949/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3393970/

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