MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3985b27e6263b77ac99a405fd40d7687af46893a118e9574def83f94050dde3d. 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: 13


Intelligence 13 IOCs YARA 14 File information Comments

SHA256 hash: 3985b27e6263b77ac99a405fd40d7687af46893a118e9574def83f94050dde3d
SHA3-384 hash: 89c4e32f4141404a2faa3f111bf1cdba69dae58e15f7951dc56ec7a5ba7fb2d0ab01d19797b49005374732412ddc8937
SHA1 hash: a1523c3753ebfde2ae0b813c9ba2abb28253d7d5
MD5 hash: 82ebb5279fe627ed3b9b65c0a6e18e0e
humanhash: romeo-indigo-ceiling-iowa
File name:morte.i686
Download: download sample
Signature Mirai
File size:95'508 bytes
First seen:2025-11-09 05:41:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:yhSg4ddpk1TdEFKiH2vK5OxtVxo9WGA4yQMV7BdUdUhF3mLmA:yhogVdeKjvwOxXxdT4ynV7BC6Y
TLSH T168934BC1FA8BC0F6D80749306166F63FDA32D8794071C79DEF9A9E36DA375409227289
telfhash t1b531ecfd153a08e89bd09942f20d1b75ae4de77b546436b708b32924336bd8183bbd39
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 4f07308397e83c948418570f62ec70d811e1947424398b245578dc11a40f339b
File size (compressed) :44'140 bytes
File size (de-compressed) :95'508 bytes
Format:linux/i386
Packed file: 4f07308397e83c948418570f62ec70d811e1947424398b245578dc11a40f339b

Intelligence


File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Kills processes
Opens a port
Sends data to a server
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
50
Number of processes launched:
8
Processes remaning?
false
Remote TCP ports scanned:
80,37215,8080
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-09T03:33:00Z UTC
Last seen:
2025-11-09T04:31:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810824 Sample: morte.i686.elf Startdate: 09/11/2025 Architecture: LINUX Score: 88 28 teamc2.duckdns.org 2->28 30 156.17.87.109 WASKWROCMAN-EDUeducationalpartofWASKnetworkWroclaw Poland 2->30 32 100 other IPs or domains 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 42 2 other signatures 2->42 8 morte.i686.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 40 Uses dynamic DNS services 28->40 process4 process5 12 morte.i686.elf 8->12         started        14 morte.i686.elf 8->14         started        16 morte.i686.elf 8->16         started        18 4 other processes 8->18 process6 20 morte.i686.elf 12->20         started        22 morte.i686.elf 12->22         started        24 morte.i686.elf 12->24         started        26 3 other processes 12->26
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-09 05:42:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (535057) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 3985b27e6263b77ac99a405fd40d7687af46893a118e9574def83f94050dde3d

(this sample)

  
Delivery method
Distributed via web download

Comments