MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdfdaa4ff7c3c11a21b507d3b670339de8c0fbd40aca6fd1a2f4df3322a0af65. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cdfdaa4ff7c3c11a21b507d3b670339de8c0fbd40aca6fd1a2f4df3322a0af65
SHA3-384 hash: 687c8c0a0a8ed5772aeae996c806c4aab5d3b4288ae2a6dd55280c6a29f6c09165523fe992978778aacec43fc19ef9d1
SHA1 hash: cb8bdcc866723e68717bde35b3508a704e25f067
MD5 hash: 0c9789f0730ebb3c03798477f3cea0e9
humanhash: edward-cola-lima-west
File name:klogd
Download: download sample
Signature Mirai
Create hunting rule
File size:91'580 bytes
First seen:2025-07-17 00:16:09 UTC
Last seen:2025-07-17 01:20:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:nW+DKCxVunAm9zIqwqeX6x81oI5DQUI94OGqvyWe5:W+oAinwqeX7uJBe
TLSH T162933AD5F9459A22C2C206B3FB1F42897B1A43D8D2EA32039D399F61778B85B0F36D45
telfhash t1a01123b64c4c29dc7bf4c30882ddb30506787afa163065194faf3e630011cc035d9820
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 :
3
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999.17624.15034.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated rust
Link:
https://www.filescan.io/uploads/687840d712460d69545e7d9d/reports/397bc1f2-3cea-429d-9ae6-bf6335ae8dee/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
372
Number of processes launched:
139
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/cdfdaa4ff7c3c11a21b507d3b670339de8c0fbd40aca6fd1a2f4df3322a0af65
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1b16544f-d6be-4c1d-8980-e32288310626
Behavior Graph:
Download SVG
%3 guuid=19c6a864-1600-0000-fa3b-01634b0d0000 pid=3403 /usr/bin/sudo guuid=8c8ea166-1600-0000-fa3b-0163540d0000 pid=3412 /tmp/sample.bin guuid=19c6a864-1600-0000-fa3b-01634b0d0000 pid=3403->guuid=8c8ea166-1600-0000-fa3b-0163540d0000 pid=3412 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f335196a-8d79-48cb-8c4c-6d91e86719fe
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1738431
Signature
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1738431 Sample: klogd.elf Startdate: 17/07/2025 Architecture: LINUX Score: 52 36 98.22.192.134 WINDSTREAMUS United States 2->36 38 113.169.120.19 VNPT-AS-VNVNPTCorpVN Viet Nam 2->38 40 99 other IPs or domains 2->40 42 Multi AV Scanner detection for submitted file 2->42 9 klogd.elf 2->9         started        signatures3 process4 process5 11 klogd.elf 9->11         started        process6 13 klogd.elf sh 11->13         started        15 klogd.elf sh 11->15         started        17 klogd.elf sh 11->17         started        19 59 other processes 11->19 process7 21 sh killall 13->21         started        24 sh killall 15->24         started        26 sh killall 17->26         started        28 sh killall 19->28         started        30 sh killall 19->30         started        32 sh killall 19->32         started        34 56 other processes 19->34 signatures8 44 Terminates several processes with shell command 'killall' 21->44
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cdfdaa4ff7c3c11a21b507d3b670339de8c0fbd40aca6fd1a2f4df3322a0af65
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cdfdaa4ff7c3c11a21b507d3b670339de8c0fbd40aca6fd1a2f4df3322a0af65/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-17 00:16:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zx62ut7xyparuinva7j3m4bttxumb66ublfg7unc6tptgivav5sq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery
Link:
https://tria.ge/reports/250717-aknknastev/
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (109309) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6b634a00-f35d-4048-a09c-c1e33c4fe294
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/cdfdaa4ff7c3c11a21b507d3b670339de8c0fbd40aca6fd1a2f4df3322a0af65

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_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 cdfdaa4ff7c3c11a21b507d3b670339de8c0fbd40aca6fd1a2f4df3322a0af65

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3584471/
  
Delivery method
Distributed via web download

Comments