MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7a7aebfdcdb27823b44fcdd76de61a9055493606ab384ca7a83876f58beb8ad. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7a7aebfdcdb27823b44fcdd76de61a9055493606ab384ca7a83876f58beb8ad
SHA3-384 hash: c21de76b2e42c8a72ce17358bdde53b9266014643fa68ee737f89ed1646bb1986619248ed327f424b0bdaa1a5fd2ed3b
SHA1 hash: 23dde78ac8e522f874377e37259304eaf0dc5439
MD5 hash: af87492b6f6b4eac6a26653a6bc92453
humanhash: oklahoma-emma-double-twelve
File name:arm5.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:83'156 bytes
First seen:2025-11-19 16:35:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:SW+mA9d2hvuonze3PFSS3B30If7qiLdgem7:SW+mA/2py3US3R7z0
TLSH T165833A56FD81C603C6C0657BFB0E428D772753A8D2EA33039E265F61638B96B0E7B241
telfhash t11441ce778f981fcc27e0878986ce522ac5a930ed5b01696bee5d9b8f46128c0705a436
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 :
103
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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/691df20950582f12f322abd3/reports/d40930f2-6410-45de-ad0d-f099ac9a1bb0/overview
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
65
Number of processes launched:
17
Processes remaning?
true
Remote TCP ports scanned:
47915,32892
Full report:
https://elfdigest.com/brief/b7a7aebfdcdb27823b44fcdd76de61a9055493606ab384ca7a83876f58beb8ad
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 94.154.35.153:6969
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-19T14:08:00Z UTC
Last seen:
2025-11-20T00:49:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Link:
https://opentip.kaspersky.com/b7a7aebfdcdb27823b44fcdd76de61a9055493606ab384ca7a83876f58beb8ad/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8b9b159e-c43c-49ef-af59-e9262b016af5
Behavior Graph:
Download SVG
%3
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92fb597b-17b8-4303-b7cb-fc92ae4d04a4
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1817063
Signature
Connects to many ports of the same IP (likely port scanning)
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
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: 1817063 Sample: arm5.uhavenobotsxd.elf Startdate: 19/11/2025 Architecture: LINUX Score: 84 57 80.91.223.117, 26104, 33420, 33422 KBIHELLASGR Greece 2->57 59 94.154.35.153, 59720, 6969 SELECTELRU Ukraine 2->59 61 3 other IPs or domains 2->61 63 Connects to many ports of the same IP (likely port scanning) 2->63 10 arm5.uhavenobotsxd.elf 2->10         started        signatures3 process4 signatures5 67 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->67 13 arm5.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 arm5.uhavenobotsxd.elf sh 13->17         started        19 arm5.uhavenobotsxd.elf sh 13->19         started        21 arm5.uhavenobotsxd.elf 13->21         started        24 2 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 arm5.uhavenobotsxd.elf sh 24->34         started        36 arm5.uhavenobotsxd.elf sh 24->36         started        38 arm5.uhavenobotsxd.elf sh 24->38         started        40 2 other processes 24->40 process11 file12 45 /var/spool/cron/crontabs/tmp.Mb45bS, 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/b7a7aebfdcdb27823b44fcdd76de61a9055493606ab384ca7a83876f58beb8ad
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7a7aebfdcdb27823b44fcdd76de61a9055493606ab384ca7a83876f58beb8ad/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b7a7aebfdcdb27823b44fcdd76de61a9055493606ab384ca7a83876f58beb8ad
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-19 16:36:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w6t25p643mtyeo2e7toxnxtbvecvje3ankzyjst2qodw6wf6xcwq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251119-t4eawaxkaj/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/895293da-d476-480b-bcf8-c78896b95706
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/b7a7aebfdcdb27823b44fcdd76de61a9055493606ab384ca7a83876f58beb8ad

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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 b7a7aebfdcdb27823b44fcdd76de61a9055493606ab384ca7a83876f58beb8ad

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686383/
  
Delivery method
Distributed via web download

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