MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87dc939b0c977afb24185a6893f57faa03cc97c87a0b7c9fba5ee1cb414d0465. 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 10 File information Comments

SHA256 hash: 87dc939b0c977afb24185a6893f57faa03cc97c87a0b7c9fba5ee1cb414d0465
SHA3-384 hash: d79e8e6b54c80504cf456cb2b8d734565777c21a83ecd710b641cbc5a81d3c1e9da620521b9a0a65648a43faaf790a54
SHA1 hash: dc271314f645a6b0507f53d9d8c15b984f445e70
MD5 hash: 21425f388bca23b54bad7b5be3c61c47
humanhash: floor-rugby-alanine-oklahoma
File name:titanjr.i686
Download: download sample
Signature Mirai
File size:87'696 bytes
First seen:2025-09-17 18:41:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:0Zi1Y59mEtS6Cr5EyWAcanWCay3Txdgo2F62hpNl9:x1W9mf6xyWnJwTxdd2Xl9
TLSH T12D8329C1BA4BC0F5D90748304067F33FCB32E6394061C66EEFAA9E65DE73642562628D
telfhash t1ae3116fa297e0cfca3d45940920d1e623d29e77f29a076b146736934336be8151bac39
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Sets a written file as executable
Launching a process
Connection attempt
DNS request
Kills processes
Runs as daemon
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin masquerade obfuscated remote
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-17T16:08:00Z UTC
Last seen:
2025-09-17T16:08:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=e6160943-1b00-0000-dc1d-c6394f0d0000 pid=3407 /usr/bin/sudo guuid=83ddad45-1b00-0000-dc1d-c639570d0000 pid=3415 /tmp/sample.bin net guuid=e6160943-1b00-0000-dc1d-c6394f0d0000 pid=3407->guuid=83ddad45-1b00-0000-dc1d-c639570d0000 pid=3415 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=83ddad45-1b00-0000-dc1d-c639570d0000 pid=3415->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=26b8de45-1b00-0000-dc1d-c639590d0000 pid=3417 /tmp/sample.bin guuid=83ddad45-1b00-0000-dc1d-c639570d0000 pid=3415->guuid=26b8de45-1b00-0000-dc1d-c639590d0000 pid=3417 clone guuid=d860e845-1b00-0000-dc1d-c6395a0d0000 pid=3418 /tmp/sample.bin write-config zombie guuid=26b8de45-1b00-0000-dc1d-c639590d0000 pid=3417->guuid=d860e845-1b00-0000-dc1d-c6395a0d0000 pid=3418 clone guuid=25fb3e49-1b00-0000-dc1d-c639650d0000 pid=3429 /usr/bin/dash guuid=d860e845-1b00-0000-dc1d-c6395a0d0000 pid=3418->guuid=25fb3e49-1b00-0000-dc1d-c639650d0000 pid=3429 execve guuid=e5da524c-1b00-0000-dc1d-c6396f0d0000 pid=3439 /tmp/sample.bin net send-data zombie guuid=d860e845-1b00-0000-dc1d-c6395a0d0000 pid=3418->guuid=e5da524c-1b00-0000-dc1d-c6396f0d0000 pid=3439 clone guuid=7ca69a49-1b00-0000-dc1d-c639670d0000 pid=3431 /usr/bin/cp guuid=25fb3e49-1b00-0000-dc1d-c639650d0000 pid=3429->guuid=7ca69a49-1b00-0000-dc1d-c639670d0000 pid=3431 execve guuid=e5da524c-1b00-0000-dc1d-c6396f0d0000 pid=3439->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 3000B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=e5da524c-1b00-0000-dc1d-c6396f0d0000 pid=3439->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 2B guuid=25d35b4c-1b00-0000-dc1d-c639700d0000 pid=3440 /tmp/sample.bin guuid=e5da524c-1b00-0000-dc1d-c6396f0d0000 pid=3439->guuid=25d35b4c-1b00-0000-dc1d-c639700d0000 pid=3440 clone guuid=6bc3624c-1b00-0000-dc1d-c639710d0000 pid=3441 /tmp/sample.bin guuid=e5da524c-1b00-0000-dc1d-c6396f0d0000 pid=3439->guuid=6bc3624c-1b00-0000-dc1d-c639710d0000 pid=3441 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1779520 Sample: titanjr.i686.elf Startdate: 17/09/2025 Architecture: LINUX Score: 68 34 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 10 titanjr.i686.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 titanjr.i686.elf 10->16         started        process6 18 titanjr.i686.elf 16->18         started        file7 32 /etc/init.d/sysd, POSIX 18->32 dropped 40 Sample tries to set files in /etc globally writable 18->40 42 Drops files in suspicious directories 18->42 44 Sample tries to persist itself using System V runlevels 18->44 22 titanjr.i686.elf sh 18->22         started        24 titanjr.i686.elf 18->24         started        signatures8 process9 process10 26 sh cp 22->26         started        28 titanjr.i686.elf 24->28         started        30 titanjr.i686.elf 24->30         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-17 18:47:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai credential_access discovery linux persistence
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Verdict:
Unknown
Tags:
trojan mirai
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_485c4b13 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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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 87dc939b0c977afb24185a6893f57faa03cc97c87a0b7c9fba5ee1cb414d0465

(this sample)

  
Delivery method
Distributed via web download

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