MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76dfc221cf91c3e2b850dcd4c39c191164048cbbf615a34a58ca375442a6807a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76dfc221cf91c3e2b850dcd4c39c191164048cbbf615a34a58ca375442a6807a
SHA3-384 hash: b9725c7abe3a5d05d8bae57ba415fb916d13dc82ce1ee9f3d439c337490d2fc9d9f64191d18ab7ac0f11f911b236e30c
SHA1 hash: 775a24eb3b973e316f1d3a4f1ec4e31564659fee
MD5 hash: 3ff9727b8833a052d0c51c4666352319
humanhash: double-quiet-high-violet
File name:mips.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:115'364 bytes
First seen:2025-11-21 23:52:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:0XDeFSViYFSiEIf4oIKYtwLZC2cX1VHU2mEyo7e2h3KC2IKemHP:ED2JYFSef4oIK5LwvlVHU2m/a32lP
TLSH T19BB3D70E7E314FADF2A8823443B78F21A35923D626E1D685E6ACD5146F7434D281FFA4
telfhash t13621634c497422e097361c992badff77d5a130df47226e3b8e01b9adaa7d8816d00c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10001386-0
Create hunting rule

Unix.Trojan.Mirai-10010127-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Runs as daemon
Receives data from a server
Creating a file
Kills processes
Opens a port
Sends data to a server
Launching a process
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm bash lolbin mirai
Link:
https://www.filescan.io/uploads/6920fb346a9db4642e0e5f36/reports/5bddea84-7d13-4e08-b98a-9680c675cdf9/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-21T22:07:00Z UTC
Last seen:
2025-11-21T23:46:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/76dfc221cf91c3e2b850dcd4c39c191164048cbbf615a34a58ca375442a6807a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5024d5df-610a-4bdd-9390-8d7975c0cc11
Behavior Graph:
Download SVG
%3 guuid=2344da76-1600-0000-d19d-29e0d80c0000 pid=3288 /usr/bin/sudo guuid=913e8b78-1600-0000-d19d-29e0e00c0000 pid=3296 /tmp/sample.bin guuid=2344da76-1600-0000-d19d-29e0d80c0000 pid=3288->guuid=913e8b78-1600-0000-d19d-29e0e00c0000 pid=3296 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e1ea2f20-abda-4fd7-84cb-91645ca23e60
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1818944
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1818944 Sample: mips.uhavenobotsxd.elf Startdate: 22/11/2025 Architecture: LINUX Score: 88 57 94.154.35.153, 59724, 6969 SELECTELRU Ukraine 2->57 59 109.202.202.202, 80 INIT7CH Switzerland 2->59 61 4 other IPs or domains 2->61 63 Multi AV Scanner detection for submitted file 2->63 10 mips.uhavenobotsxd.elf 2->10         started        signatures3 process4 signatures5 67 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->67 13 mips.uhavenobotsxd.elf 10->13         started        process6 file7 49 /var/spool/cron/root, ASCII 13->49 dropped 51 /var/spool/cron/crontabs/root, ASCII 13->51 dropped 53 /root/.bashrc, ASCII 13->53 dropped 55 6 other malicious files 13->55 dropped 79 Sample tries to set files in /etc globally writable 13->79 81 Sample tries to persist itself using /etc/profile 13->81 83 Drops files in suspicious directories 13->83 85 3 other signatures 13->85 17 mips.uhavenobotsxd.elf sh 13->17         started        19 mips.uhavenobotsxd.elf sh 13->19         started        21 mips.uhavenobotsxd.elf 13->21         started        24 12 other processes 13->24 signatures8 process9 signatures10 26 sh crontab 17->26         started        30 sh 17->30         started        32 sh cp 19->32         started        65 Sample tries to kill multiple processes (SIGKILL) 21->65 34 mips.uhavenobotsxd.elf sh 24->34         started        36 mips.uhavenobotsxd.elf 24->36         started        38 mips.uhavenobotsxd.elf 24->38         started        40 12 other processes 24->40 process11 file12 45 /var/spool/cron/crontabs/tmp.qczErX, ASCII 26->45 dropped 71 Sample tries to persist itself using cron 26->71 73 Executes the "crontab" command typically for achieving persistence 26->73 42 sh crontab 30->42         started        47 /usr/bin/.sh, ELF 32->47 dropped 75 Drops invisible ELF files 32->75 77 Drops files in suspicious directories 32->77 signatures13 process14 signatures15 69 Executes the "crontab" command typically for achieving persistence 42->69
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/76dfc221cf91c3e2b850dcd4c39c191164048cbbf615a34a58ca375442a6807a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/76dfc221cf91c3e2b850dcd4c39c191164048cbbf615a34a58ca375442a6807a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-21 23:52:21 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o3p4eiopshb6focq3tkmhhazcfsajdf36yk2gssyzi3viqvgqb5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251121-3wvsbshm2v/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/01d15d56-363f-48f5-9c53-bbeb6ba9fb02
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/76dfc221cf91c3e2b850dcd4c39c191164048cbbf615a34a58ca375442a6807a

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:unixredflags3
Create hunting rule
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 76dfc221cf91c3e2b850dcd4c39c191164048cbbf615a34a58ca375442a6807a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686386/
  
Delivery method
Distributed via web download

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