MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c5f70457c8516a260249ef8c3f744f7a50bddaba60b0c265d07c3b021c3c941. 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: 4c5f70457c8516a260249ef8c3f744f7a50bddaba60b0c265d07c3b021c3c941
SHA3-384 hash: 7ef651788404ba583cbe9e77a4cbda4abe3da3702da93f85b8a34662e81550599cbaf3f619ebf563f20211cb4f4e755e
SHA1 hash: 2974534186eff1b95fdb32e7b505777f16581357
MD5 hash: dcaf1b902e3f0c43bab354f4eb8c7469
humanhash: johnny-orange-hotel-fifteen
File name:Orbt.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:64'464 bytes
First seen:2026-01-18 11:15:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:0IpXuvZW/5P98hsFylJymCBlqQg5jJ6ufwHFdrnz+:0IpXuRWBmhs9Bl8m227rna
TLSH T1D75302C0D5459712D6A046349F7E42FA98DB0DE85E0EF81A3B221AD45E861482FFDE87
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) :64'464 bytes
File size (de-compressed) :170'720 bytes
Format:linux/arm
Unpacked file: 065e4cc27c4cd0817889f4a0cbb0aec9580294ec4b7823066edc2bb8adf823a6

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/d23743d8-d981-4c6c-9e49-b6d1d6bbcd60/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/696cc1103dd9d2095058d9d8/reports/92788dc9-c34e-44ad-898e-04c9a9d2ffe7/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-18T12:19:00Z UTC
Last seen:
2026-01-19T12:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4c5f70457c8516a260249ef8c3f744f7a50bddaba60b0c265d07c3b021c3c941/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0abc5f44-4f03-4db8-889f-387f180e4a9e
Behavior Graph:
Download SVG
%3 guuid=4b93f1a4-1800-0000-27d5-26c5d60c0000 pid=3286 /usr/bin/sudo guuid=ab55b2a7-1800-0000-27d5-26c5d70c0000 pid=3287 /tmp/sample.bin guuid=4b93f1a4-1800-0000-27d5-26c5d60c0000 pid=3286->guuid=ab55b2a7-1800-0000-27d5-26c5d70c0000 pid=3287 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9c16426b-950a-4ab9-bcfe-7597438e8462
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1852701
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852701 Sample: Orbt.arm.elf Startdate: 18/01/2026 Architecture: LINUX Score: 72 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Gafgyt 2->30 32 Yara detected Mirai 2->32 34 Sample is packed with UPX 2->34 8 Orbt.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Uses dynamic DNS services 22->36 process4 process5 12 Orbt.arm.elf 8->12         started        14 Orbt.arm.elf 8->14         started        16 Orbt.arm.elf 8->16         started        process6 18 Orbt.arm.elf 12->18         started        20 Orbt.arm.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4c5f70457c8516a260249ef8c3f744f7a50bddaba60b0c265d07c3b021c3c941
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c5f70457c8516a260249ef8c3f744f7a50bddaba60b0c265d07c3b021c3c941/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 11:16:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrpxarl4qulkeybet34mh52e66sqxxnluyfqyjs5a7b3aiodzfaq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260118-ndjj1sfs9f/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b4426168-f50f-4c5a-9b8c-d7f284f75566
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/4c5f70457c8516a260249ef8c3f744f7a50bddaba60b0c265d07c3b021c3c941

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 4c5f70457c8516a260249ef8c3f744f7a50bddaba60b0c265d07c3b021c3c941

(this sample)

Mirai

elf 065e4cc27c4cd0817889f4a0cbb0aec9580294ec4b7823066edc2bb8adf823a6

  
URLhaus
https://urlhaus.abuse.ch/url/3684969/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 065e4cc27c4cd0817889f4a0cbb0aec9580294ec4b7823066edc2bb8adf823a6
  
Dropping
MD5 80b0edef3e684b5bfb68b0673d1a4bdb
  
URLhaus
https://urlhaus.abuse.ch/url/3759905/

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