MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 439dc83241e4e36fa4ea108a2ce0c6cb69620ba68f458151211aa96aa46e2dd7. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 439dc83241e4e36fa4ea108a2ce0c6cb69620ba68f458151211aa96aa46e2dd7
SHA3-384 hash: 58ef79d1a6749d9fcdbc85e8577b2c26f5421eee231e06cfc5fa22ed34b05a97c9905f15e9ff64e8dfaee5f777662b53
SHA1 hash: 64275ffac5399577f6afc366ee6dc5b9a793e758
MD5 hash: 5518b318f186af2569763433fa05c526
humanhash: august-beryllium-romeo-six
File name:ecco.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:267'272 bytes
First seen:2025-12-10 11:40:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:of+V8fGnNNbcNYVwAQrDy8x46XlF8Ru6bfCJ4TZaX:oftbYVwAQrG8uQlF8Ru6m8ZW
TLSH T187447C43B68040FEC8C5C17A1BFEB136ED61F0AD527CB64A23D4AF1AAD48E615F2D644
telfhash t181716b340896352421d2c255b283d7bdce750824e3dd37a96b83fdb6fd6bac48ca1829
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a7902c832e838c2241aea7865b3d750172aa827818a06312b57e4de0b50d45d1
File size (compressed) :91'648 bytes
File size (de-compressed) :267'272 bytes
Format:linux/amd64
Packed file: a7902c832e838c2241aea7865b3d750172aa827818a06312b57e4de0b50d45d1

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/f50b03f7-7e92-4a2b-b2e0-c2f469137259/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29001.LCM.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136017-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Unix.Packed.Botnet-6566031-0
Create hunting rule

Unix.Dropper.Botnet-6566040-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm gafgyt mirai obfuscated
Link:
https://www.filescan.io/uploads/69395c5d64bd958a520f9321/reports/56ad4c41-c5cd-4a8e-a286-0312f8345f22/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-10T10:04:00Z UTC
Last seen:
2025-12-10T12:07:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/439dc83241e4e36fa4ea108a2ce0c6cb69620ba68f458151211aa96aa46e2dd7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f4331eb5-3a8a-4781-89cf-5e3f48baed8c
Behavior Graph:
Download SVG
%3 guuid=0e937932-1c00-0000-c047-d704e0080000 pid=2272 /usr/bin/sudo guuid=52db8d34-1c00-0000-c047-d704e1080000 pid=2273 /tmp/sample.bin guuid=0e937932-1c00-0000-c047-d704e0080000 pid=2272->guuid=52db8d34-1c00-0000-c047-d704e1080000 pid=2273 execve
Gathering data
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1830166
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/439dc83241e4e36fa4ea108a2ce0c6cb69620ba68f458151211aa96aa46e2dd7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/439dc83241e4e36fa4ea108a2ce0c6cb69620ba68f458151211aa96aa46e2dd7/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-10 11:41:19 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ioo4qmsb4trw7jhkccfczyggznuwec5gr5cycujbdkuwvjdofxlq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd antivm discovery linux
Link:
https://tria.ge/reports/251210-ntj6gsdz5b/
Behaviour
Reads runtime system information
Checks CPU configuration
Checks SCSI settings
Checks hardware identifiers (DMI)
Malware Config
C2 Extraction:
draft22.duckdns.org
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/7fa0feb7-83e5-4709-bdbf-86d730506571
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/439dc83241e4e36fa4ea108a2ce0c6cb69620ba68f458151211aa96aa46e2dd7

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Mirai

elf a7902c832e838c2241aea7865b3d750172aa827818a06312b57e4de0b50d45d1

Mirai

elf 439dc83241e4e36fa4ea108a2ce0c6cb69620ba68f458151211aa96aa46e2dd7

(this sample)

  
Dropped by
SHA256 a7902c832e838c2241aea7865b3d750172aa827818a06312b57e4de0b50d45d1
  
URLhaus
https://urlhaus.abuse.ch/url/3725554/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3727055/
  
Dropped by
MD5 2169179705c0166c6282c6e7701b74d5

Comments