MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b86406efbf6fbf9f8aac2daa7e30b1312e7ea8e13274c7e43986c15bf3223ce. 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: 10


Intelligence 10 IOCs YARA 13 File information Comments

SHA256 hash: 3b86406efbf6fbf9f8aac2daa7e30b1312e7ea8e13274c7e43986c15bf3223ce
SHA3-384 hash: 253672abcdf8be8fca19457e594057fb99c4ac38bb1c77892002875570fd1e7b8ffd209d94c3a31333668d375f1296af
SHA1 hash: 705d83c27e4a239c90ed5c0d598986156f7de930
MD5 hash: 766295417df21083828796c29c035d56
humanhash: nineteen-black-nebraska-seven
File name:morte.i686
Download: download sample
Signature Mirai
File size:83'220 bytes
First seen:2025-10-29 14:30:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:OUYw0s4oyfpPJvNYEpa9/y6y8/WE8vJTaoLEAQkfsAWO:ETsCtJVYjy6MFvJTaYEcWO
TLSH T1BA8339C1FE8BC1F6E91B88344076F23FCA32E96940B2C65DDF5AAF36DA335415212259
telfhash t1b3313cf9097d08e4a7d4ac80c24f6f71390ae77b24e072b146b358353267e0250b9c7b
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 f27565c593d4d73fa2086ab089a9f3b0b1530e079fee6924267f784e6540d921
File size (compressed) :39'392 bytes
File size (de-compressed) :83'220 bytes
Format:linux/i386
Packed file: f27565c593d4d73fa2086ab089a9f3b0b1530e079fee6924267f784e6540d921

Intelligence


File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
DNS request
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-07-31T02:08:00Z UTC
Last seen:
2025-10-30T11:38:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=a33c3700-1900-0000-b427-f3f84a080000 pid=2122 /usr/bin/sudo guuid=da49e402-1900-0000-b427-f3f853080000 pid=2131 /tmp/sample.bin net guuid=a33c3700-1900-0000-b427-f3f84a080000 pid=2122->guuid=da49e402-1900-0000-b427-f3f853080000 pid=2131 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=da49e402-1900-0000-b427-f3f853080000 pid=2131->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=67881403-1900-0000-b427-f3f855080000 pid=2133 /tmp/sample.bin guuid=da49e402-1900-0000-b427-f3f853080000 pid=2131->guuid=67881403-1900-0000-b427-f3f855080000 pid=2133 clone guuid=9a615d2f-1a00-0000-b427-f3f8f80a0000 pid=2808 /tmp/sample.bin guuid=da49e402-1900-0000-b427-f3f853080000 pid=2131->guuid=9a615d2f-1a00-0000-b427-f3f8f80a0000 pid=2808 clone guuid=82e4692f-1a00-0000-b427-f3f8f90a0000 pid=2809 /tmp/sample.bin net send-data zombie guuid=da49e402-1900-0000-b427-f3f853080000 pid=2131->guuid=82e4692f-1a00-0000-b427-f3f8f90a0000 pid=2809 clone guuid=a6841c03-1900-0000-b427-f3f856080000 pid=2134 /tmp/sample.bin guuid=67881403-1900-0000-b427-f3f855080000 pid=2133->guuid=a6841c03-1900-0000-b427-f3f856080000 pid=2134 clone guuid=eb292103-1900-0000-b427-f3f857080000 pid=2135 /tmp/sample.bin dns net send-data zombie guuid=67881403-1900-0000-b427-f3f855080000 pid=2133->guuid=eb292103-1900-0000-b427-f3f857080000 pid=2135 clone guuid=eb292103-1900-0000-b427-f3f857080000 pid=2135->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 228B 00cb50cf-cfea-501b-b2ea-c0cab3b44dca meow2137.duckdns.org:12121 guuid=eb292103-1900-0000-b427-f3f857080000 pid=2135->00cb50cf-cfea-501b-b2ea-c0cab3b44dca send: 2B guuid=82e4692f-1a00-0000-b427-f3f8f90a0000 pid=2809->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 975B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=82e4692f-1a00-0000-b427-f3f8f90a0000 pid=2809->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1803959 Sample: morte.i686.elf Startdate: 29/10/2025 Architecture: LINUX Score: 68 26 meow2137.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 6 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 8 morte.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 morte.i686.elf 8->16         started        18 morte.i686.elf 8->18         started        20 morte.i686.elf 8->20         started        process6 22 morte.i686.elf 16->22         started        24 morte.i686.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-29 14:38:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
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
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: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 3b86406efbf6fbf9f8aac2daa7e30b1312e7ea8e13274c7e43986c15bf3223ce

(this sample)

  
Delivery method
Distributed via web download

Comments