MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99066f4810edb78ec25d0f34bea81a887e37b27860063e58a2949320d676683b. 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: 8


Intelligence 8 IOCs YARA 13 File information Comments

SHA256 hash: 99066f4810edb78ec25d0f34bea81a887e37b27860063e58a2949320d676683b
SHA3-384 hash: 111b38abb3794d5d1013053432502b59e3ea823b9fc595cd99a2bec02008bb782fb02226f166f3d00feac59fcf995a45
SHA1 hash: d18cd9cd1ddd1f8eccb2205b2914e294e0258786
MD5 hash: 297a39d01b107885556d7df1ca92a443
humanhash: london-cardinal-march-lamp
File name:i686
Download: download sample
Signature Mirai
File size:83'220 bytes
First seen:2025-11-29 04:07:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:KKz1LffGPJL/Hcg9qkEyQbW4cjJTaoLEAQkfsaLO:KKRGJjHakEMRjJTaYE2LO
TLSH T108833AC1FE8BC1F5E91B88304076F23FCA32E96950B2875DDF5AAF36DA335415212299
telfhash t1a5314cf909bd08e4a7e49c80c24e6f71390ae73b34e0727142b399353267e1250b9c7b
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 aba57c20fc82ae432e70144784fc4b51854ae1caec1db521251327581abda406
File size (compressed) :39'392 bytes
File size (de-compressed) :83'220 bytes
Format:linux/i386
Packed file: aba57c20fc82ae432e70144784fc4b51854ae1caec1db521251327581abda406

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
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
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=f1536d99-1b00-0000-c26f-c566490e0000 pid=3657 /usr/bin/sudo guuid=fa7be39b-1b00-0000-c26f-c5664a0e0000 pid=3658 /tmp/sample.bin net guuid=f1536d99-1b00-0000-c26f-c566490e0000 pid=3657->guuid=fa7be39b-1b00-0000-c26f-c5664a0e0000 pid=3658 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=fa7be39b-1b00-0000-c26f-c5664a0e0000 pid=3658->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=db49319c-1b00-0000-c26f-c5664b0e0000 pid=3659 /tmp/sample.bin guuid=fa7be39b-1b00-0000-c26f-c5664a0e0000 pid=3658->guuid=db49319c-1b00-0000-c26f-c5664b0e0000 pid=3659 clone guuid=d716d5c8-1c00-0000-c26f-c566fe110000 pid=4606 /tmp/sample.bin guuid=fa7be39b-1b00-0000-c26f-c5664a0e0000 pid=3658->guuid=d716d5c8-1c00-0000-c26f-c566fe110000 pid=4606 clone guuid=cec5dbc8-1c00-0000-c26f-c566ff110000 pid=4607 /tmp/sample.bin net send-data zombie guuid=fa7be39b-1b00-0000-c26f-c5664a0e0000 pid=3658->guuid=cec5dbc8-1c00-0000-c26f-c566ff110000 pid=4607 clone guuid=6826389c-1b00-0000-c26f-c5664c0e0000 pid=3660 /tmp/sample.bin guuid=db49319c-1b00-0000-c26f-c5664b0e0000 pid=3659->guuid=6826389c-1b00-0000-c26f-c5664c0e0000 pid=3660 clone guuid=3ac2439c-1b00-0000-c26f-c5664d0e0000 pid=3661 /tmp/sample.bin dns net send-data zombie guuid=db49319c-1b00-0000-c26f-c5664b0e0000 pid=3659->guuid=3ac2439c-1b00-0000-c26f-c5664d0e0000 pid=3661 clone guuid=3ac2439c-1b00-0000-c26f-c5664d0e0000 pid=3661->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 36B 55e75a70-5f0f-5401-b0ef-995451b8fb69 teamc2.duckdns.org:12121 guuid=3ac2439c-1b00-0000-c26f-c5664d0e0000 pid=3661->55e75a70-5f0f-5401-b0ef-995451b8fb69 send: 10B guuid=cec5dbc8-1c00-0000-c26f-c566ff110000 pid=4607->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 180B guuid=cec5dbc8-1c00-0000-c26f-c566ff110000 pid=4607->55e75a70-5f0f-5401-b0ef-995451b8fb69 send: 10B
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: 1822662 Sample: i686.elf Startdate: 29/11/2025 Architecture: LINUX Score: 68 26 teamc2.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 4 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 i686.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 9 other processes 2->14 signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 i686.elf 8->16         started        18 i686.elf 8->18         started        20 i686.elf 8->20         started        process6 22 i686.elf 16->22         started        24 i686.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-29 04:08:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
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
Gathering data
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 99066f4810edb78ec25d0f34bea81a887e37b27860063e58a2949320d676683b

(this sample)

  
Delivery method
Distributed via web download

Comments