MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec2b170e8c8ddfad0b29c2d3926189f5111d37e4e5471b6035cbb9e4eb66ab78. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: ec2b170e8c8ddfad0b29c2d3926189f5111d37e4e5471b6035cbb9e4eb66ab78
SHA3-384 hash: 87df525e958312001d1d1f03c1703fa18a9d17c13aad6cb4ba6a88c398eec66d73586343a9325107f42c2d3eea7c7620
SHA1 hash: 5c650ca82fa63e943954506d81377bc9f62a0830
MD5 hash: 6a43dfddd2d228e5866f88968269204f
humanhash: pasta-romeo-apart-yellow
File name:nklx86
Download: download sample
Signature Mirai
File size:68'016 bytes
First seen:2025-12-26 19:41:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:QTU7XEpeUMUvhzPfs4wfD/jm6XniOxRz53PRR:GcX2eJUv9sVD733iyb
TLSH T1D3633CC59753E4F6FC19457410BAFB32AA71F4362179FA93F394D922B852302E60B29C
telfhash t14621a7fa6e7e04f8b7d45d48c25e6e012a2ed57758a032b482b3d83022efd53907ac35
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 :
28
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-26T13:59:00Z UTC
Last seen:
2025-12-26T14:20:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839960 Sample: nklx86.elf Startdate: 26/12/2025 Architecture: LINUX Score: 76 20 37.52.65.101, 23 UKRTELNETUA Ukraine 2->20 22 37.52.65.123, 23 UKRTELNETUA Ukraine 2->22 24 100 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 2 other signatures 2->32 8 nklx86.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 nklx86.elf 8->16         started        process6 18 nklx86.elf 16->18         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-26 19:42:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Behaviour
Changes its process name
Creates a large amount of network flows
Renames itself
Contacts a large (13192) 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:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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 ec2b170e8c8ddfad0b29c2d3926189f5111d37e4e5471b6035cbb9e4eb66ab78

(this sample)

  
Delivery method
Distributed via web download

Comments