MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4978f8be6b768d946064c4b20500ac40503f92329b3d40fb93b1eab7ce974ecf. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4978f8be6b768d946064c4b20500ac40503f92329b3d40fb93b1eab7ce974ecf
SHA3-384 hash: 95000a1096a4e7c284f1176ab2e6eb253323e7b7b841fc7f86b12c29450e7c5a5333b2fb1627479f0267554ab8a86444
SHA1 hash: b5fc23922b9edfd18877fc41a932cd98e0a6b763
MD5 hash: 68bb8c13966e3d58190bb8f4d5cbe8cf
humanhash: kitten-nine-spring-oregon
File name:nklarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:92'312 bytes
First seen:2026-01-12 13:08:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:40BZSaBbmKSPYjXsZ940L3TkTfi2HJbN6NhVBHTAbVR:40BZBBuwjBw3ITfDJbA/bHTA
TLSH T1D4932A8ABC85C612C5E071B6BF1F56CE335643B8D3EA7243DD18AB28674B8570E3B251
telfhash t10e511165ff440bdca7eac76822de602916ed31dc1b26206aaf3c9f0f85525c2702e427
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 :
80
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6964f25530368802bb81ddb6/reports/42532f81-fc16-45af-9deb-ffa906322d50/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T11:16:00Z UTC
Last seen:
2026-01-12T12:09:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4978f8be6b768d946064c4b20500ac40503f92329b3d40fb93b1eab7ce974ecf/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/25004486-8533-4b79-b58b-e3e6d71937b1
Behavior Graph:
Download SVG
%3 guuid=311ce54f-1b00-0000-9c6e-a11f000f0000 pid=3840 /usr/bin/sudo guuid=b127ce51-1b00-0000-9c6e-a11f040f0000 pid=3844 /tmp/sample.bin guuid=311ce54f-1b00-0000-9c6e-a11f000f0000 pid=3840->guuid=b127ce51-1b00-0000-9c6e-a11f040f0000 pid=3844 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/80aad5fe-2f0e-42fa-833b-5b843644fe9e
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1849102
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849102 Sample: nklarm5.elf Startdate: 12/01/2026 Architecture: LINUX Score: 60 18 31.140.169.112 TURKCELL-ASTurkcellASTR Turkey 2->18 20 31.140.169.125 TURKCELL-ASTurkcellASTR Turkey 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 28 Connects to many IPs within the same subnet mask (likely port scanning) 2->28 8 nklarm5.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nklarm5.elf 8->14         started        process6 16 nklarm5.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4978f8be6b768d946064c4b20500ac40503f92329b3d40fb93b1eab7ce974ecf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4978f8be6b768d946064c4b20500ac40503f92329b3d40fb93b1eab7ce974ecf/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 13:09:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jf4prptlo2gziydeyszakafmibid7erstm6ub64twhvlptuxj3hq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260112-qdlqgsat7h/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d7a936fb-5d84-45eb-b8ab-73faec5b61f4
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_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 4978f8be6b768d946064c4b20500ac40503f92329b3d40fb93b1eab7ce974ecf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739220/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739426/

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