MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37eb76dc244280e4576543afe675f53f4aee62171d89f4e97d7dc47bc0eff3ec. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
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SHA256 hash: 37eb76dc244280e4576543afe675f53f4aee62171d89f4e97d7dc47bc0eff3ec
SHA3-384 hash: a7e76239a4ec580fde92245f3c45ae73fcaec7a7d7e3d63aaaf6df575c69a735f229062b40f573af9c04dcc0e7186d58
SHA1 hash: 4801cc1de5069d8eadf8c4b89c61063650af26c6
MD5 hash: 0f3173a44135ab6d469723a0dc609782
humanhash: lactose-may-hamper-mobile
File name:mipsel.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:123'676 bytes
First seen:2025-11-22 07:40:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:2xD94ws23zpOC2vsFMu/+VuufcjRAUyEt:ci+3zwC2vsFMuWVrfceYt
TLSH T10BC3F809BF614EFBE86FCD3746EA074520CC695A22B83B7A7574D52CF14E24B06D3864
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 :
68
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-10010119-0
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:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm bash lolbin mirai
Link:
https://www.filescan.io/uploads/692168eceecb08e4aa4487c6/reports/7c200031-7e59-4d4d-8712-48eb5aafb2a5/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/93ec72ef-59fd-4718-91d7-efeaf381c1c8
Behavior Graph:
Download SVG
%3 guuid=17a9295a-1900-0000-7514-9d3764140000 pid=5220 /usr/bin/sudo guuid=f4e1ff5b-1900-0000-7514-9d3765140000 pid=5221 /tmp/sample.bin guuid=17a9295a-1900-0000-7514-9d3764140000 pid=5220->guuid=f4e1ff5b-1900-0000-7514-9d3765140000 pid=5221 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/58e89e9e-b908-452e-ae42-f05425f0f671
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1819025
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: 1819025 Sample: mipsel.uhavenobotsxd.elf Startdate: 22/11/2025 Architecture: LINUX Score: 88 61 94.154.35.153, 59724, 6969 SELECTELRU Ukraine 2->61 63 109.202.202.202, 80 INIT7CH Switzerland 2->63 65 4 other IPs or domains 2->65 75 Multi AV Scanner detection for submitted file 2->75 10 mipsel.uhavenobotsxd.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 79 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->79 17 mipsel.uhavenobotsxd.elf 10->17         started        process6 file7 49 /var/spool/cron/root, ASCII 17->49 dropped 51 /var/spool/cron/crontabs/root, ASCII 17->51 dropped 53 /root/.bashrc, ASCII 17->53 dropped 55 6 other malicious files 17->55 dropped 67 Sample tries to set files in /etc globally writable 17->67 69 Sample tries to persist itself using /etc/profile 17->69 71 Drops files in suspicious directories 17->71 73 3 other signatures 17->73 21 mipsel.uhavenobotsxd.elf sh 17->21         started        23 mipsel.uhavenobotsxd.elf sh 17->23         started        25 mipsel.uhavenobotsxd.elf 17->25         started        28 6 other processes 17->28 signatures8 process9 signatures10 30 sh crontab 21->30         started        34 sh 21->34         started        36 sh cp 23->36         started        77 Sample tries to kill multiple processes (SIGKILL) 25->77 38 mipsel.uhavenobotsxd.elf sh 28->38         started        40 mipsel.uhavenobotsxd.elf sh 28->40         started        42 mipsel.uhavenobotsxd.elf sh 28->42         started        44 6 other processes 28->44 process11 file12 57 /var/spool/cron/crontabs/tmp.eSoIe9, ASCII 30->57 dropped 83 Sample tries to persist itself using cron 30->83 85 Executes the "crontab" command typically for achieving persistence 30->85 46 sh crontab 34->46         started        59 /usr/bin/.sh, ELF 36->59 dropped 87 Drops invisible ELF files 36->87 89 Drops files in suspicious directories 36->89 signatures13 process14 signatures15 81 Executes the "crontab" command typically for achieving persistence 46->81
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/37eb76dc244280e4576543afe675f53f4aee62171d89f4e97d7dc47bc0eff3ec
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/37eb76dc244280e4576543afe675f53f4aee62171d89f4e97d7dc47bc0eff3ec/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 07:40:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7vxnxbeikaoiv3fiox6m5pvh5fo4yqxdwe7j2l5pxchxqhp6pwa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251122-jhrnzaen9y/
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
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/bb683761-e520-483c-aa21-0e0ce24526bb
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/37eb76dc244280e4576543afe675f53f4aee62171d89f4e97d7dc47bc0eff3ec

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 37eb76dc244280e4576543afe675f53f4aee62171d89f4e97d7dc47bc0eff3ec

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686381/
  
Delivery method
Distributed via web download

Comments