MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 684ea3832261520e77302d3a844d33e18b1c5fb0ec01d7497a52919e41854b4f. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 684ea3832261520e77302d3a844d33e18b1c5fb0ec01d7497a52919e41854b4f
SHA3-384 hash: 24568bee8977445897d0ebb908a840f00c669061958318b308564706bdd7c59a5a782bd8b89779dd4d80516b62351dbb
SHA1 hash: 2a151cb7f96548fa00b0c000f44d9970b6e51dae
MD5 hash: 15ded70f8343af66903571c1d10b2fdc
humanhash: bluebird-football-asparagus-uniform
File name:4je8xdko
Download: download sample
Signature Mirai
Create hunting rule
File size:40'860 bytes
First seen:2025-12-20 18:12:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:TRHz/+S7TXPzJgdi04d7V8AhWHc3hVEYs3UozPr:tHLt7TJ3VrhHVAzT
TLSH T1E503E131669735D3CA301AB6EAA9C6062BFB097CE8FD723F071119643784A5F14FA01E
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 UPX
File size (compressed) :40'860 bytes
File size (de-compressed) :91'948 bytes
Format:linux/arm
Unpacked file: 3b846f5aa42d6c8870ea181ab034cc40eb352ea541dea48c3a4cee058722decf

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/82a87b49-da01-43f1-9f28-4d176e124142/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-20T15:27:00Z UTC
Last seen:
2025-12-21T12:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/684ea3832261520e77302d3a844d33e18b1c5fb0ec01d7497a52919e41854b4f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6c4fd5ce-703f-4098-8a31-5c97f8d3aadd
Behavior Graph:
Download SVG
%3 guuid=3101878e-1b00-0000-2644-28d2b90a0000 pid=2745 /usr/bin/sudo guuid=5929cb90-1b00-0000-2644-28d2bf0a0000 pid=2751 /tmp/sample.bin guuid=3101878e-1b00-0000-2644-28d2b90a0000 pid=2745->guuid=5929cb90-1b00-0000-2644-28d2bf0a0000 pid=2751 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/85fea403-5f22-4c5c-bac2-d95553d3c492
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1836808
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836808 Sample: 4je8xdko.elf Startdate: 20/12/2025 Architecture: LINUX Score: 60 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->27 29 daisy.ubuntu.com 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sample is packed with UPX 2->33 10 4je8xdko.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 4je8xdko.elf 10->14         started        process6 16 4je8xdko.elf 14->16         started        process7 18 4je8xdko.elf 16->18         started        process8 20 4je8xdko.elf 18->20         started        23 4je8xdko.elf 18->23         started        signatures9 35 Manipulation of devices in /dev 20->35 37 Deletes system log files 20->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/684ea3832261520e77302d3a844d33e18b1c5fb0ec01d7497a52919e41854b4f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/684ea3832261520e77302d3a844d33e18b1c5fb0ec01d7497a52919e41854b4f/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 18:13:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nbhkhazcmfja45zqfu5iitjt4gfryx5q5qa5osl2kkiz4qmfjnhq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/251220-wtej1ady3e/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cbced6ff-821b-4f01-afdb-7256af8c94f7
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/684ea3832261520e77302d3a844d33e18b1c5fb0ec01d7497a52919e41854b4f

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf 684ea3832261520e77302d3a844d33e18b1c5fb0ec01d7497a52919e41854b4f

(this sample)

Mirai

elf 3b846f5aa42d6c8870ea181ab034cc40eb352ea541dea48c3a4cee058722decf

  
URLhaus
https://urlhaus.abuse.ch/url/3738275/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 3b846f5aa42d6c8870ea181ab034cc40eb352ea541dea48c3a4cee058722decf
  
Dropping
MD5 a6e8cb501616bb1bd0b14590cd7bd8ed

Comments