MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1534cad2766a77ea334271b358aeb27ca185db9a7dc13ff5478bbf1c24e9ace. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1534cad2766a77ea334271b358aeb27ca185db9a7dc13ff5478bbf1c24e9ace
SHA3-384 hash: cd190fb02f0b61561dad3202a4932abdb9257f12c5d68ce719e4011a04821b4a741534f11628ae3982d16f6882819702
SHA1 hash: 44320c458c4b372f4150940b3800590be3f5fb24
MD5 hash: 2289e83c3eaa0ae635e86df6cb052b47
humanhash: nine-table-october-sad
File name:arm.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:233'904 bytes
First seen:2025-09-21 15:45:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:HZVlhwmrt/3f95hOlDs/K+SwYiwvhaXPeThB2QRA:fYGtnhOBs/owQvYkT2QRA
TLSH T1F1341869BD929E96CAC55ABBFB5EC38C371713B8D2DE7103CE045B25328B41B0E6B540
telfhash t196e0c0384c04038d25f0208294dde79165b8f9023f0520911f9f64688c16dd4d4af812
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 :
54
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm expand lolbin packed remote threat
Link:
https://www.filescan.io/uploads/68d01db973af424b47e94b15/reports/39f026c2-0e75-4154-b213-18e306069c42/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
95
Number of processes launched:
10
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b1534cad2766a77ea334271b358aeb27ca185db9a7dc13ff5478bbf1c24e9ace
Behaviour
Anti-VM
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-21T12:45:00Z UTC
Last seen:
2025-09-21T12:45:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b1534cad2766a77ea334271b358aeb27ca185db9a7dc13ff5478bbf1c24e9ace/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b6f58ddd-ebb2-405e-817e-68acaa954e12
Behavior Graph:
Download SVG
%3 guuid=56893014-1700-0000-6919-e7f29a090000 pid=2458 /usr/bin/sudo guuid=20899b16-1700-0000-6919-e7f2a2090000 pid=2466 /tmp/sample.bin guuid=56893014-1700-0000-6919-e7f29a090000 pid=2458->guuid=20899b16-1700-0000-6919-e7f2a2090000 pid=2466 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/36e8c674-b577-4f4e-8d11-c5eef267737c
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1781556
Signature
Antivirus / Scanner detection for submitted sample
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1781556 Sample: arm.urbotnetisass.elf Startdate: 21/09/2025 Architecture: LINUX Score: 100 66 94.154.35.153, 43212 SELECTELRU Ukraine 2->66 68 Antivirus / Scanner detection for submitted sample 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected Gafgyt 2->72 74 Yara detected Mirai 2->74 11 arm.urbotnetisass.elf 2->11         started        15 udisksd dumpe2fs 2->15         started        17 udisksd dumpe2fs 2->17         started        19 482 other processes 2->19 signatures3 process4 file5 58 /root/.bashrc, ASCII 11->58 dropped 60 /etc/rc.local, POSIX 11->60 dropped 62 /etc/profile, ASCII 11->62 dropped 64 /etc/crontab, ASCII 11->64 dropped 78 Sample tries to persist itself using /etc/profile 11->78 80 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 11->80 82 Sample tries to persist itself using cron 11->82 84 Sample tries to persist itself using System V runlevels 11->84 21 arm.urbotnetisass.elf 11->21         started        signatures6 process7 file8 50 /memfd:/usr/lib/librt.so.1 (deleted), ELF 21->50 dropped 52 /memfd:/usr/lib/libpthread.so.0 (deleted), ELF 21->52 dropped 54 /memfd:/usr/lib/libm.so.6 (deleted), ELF 21->54 dropped 56 41 other malicious files 21->56 dropped 76 Writes identical ELF files to multiple locations 21->76 25 arm.urbotnetisass.elf 21->25         started        27 arm.urbotnetisass.elf 21->27         started        29 arm.urbotnetisass.elf 21->29         started        31 arm.urbotnetisass.elf 21->31         started        signatures9 process10 process11 33 arm.urbotnetisass.elf 25->33         started        36 arm.urbotnetisass.elf 27->36         started        38 arm.urbotnetisass.elf 29->38         started        40 arm.urbotnetisass.elf 31->40         started        file12 46 /tmp/.taunt, POSIX 33->46 dropped 48 /tmp/.mock, POSIX 33->48 dropped 42 arm.urbotnetisass.elf 33->42         started        process13 process14 44 arm.urbotnetisass.elf 42->44         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1534cad2766a77ea334271b358aeb27ca185db9a7dc13ff5478bbf1c24e9ace
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1534cad2766a77ea334271b358aeb27ca185db9a7dc13ff5478bbf1c24e9ace/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-21 15:46:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wfjuzljhm2tx5izue4ntlcxle7fbqxnzu7obh72upc57dqsotlha._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/250921-s7k26acq7v/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2b399e31-85c9-4f28-9333-62c9e5f5953d
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/b1534cad2766a77ea334271b358aeb27ca185db9a7dc13ff5478bbf1c24e9ace

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:CP_AllMal_Detector
Create hunting rule
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b1534cad2766a77ea334271b358aeb27ca185db9a7dc13ff5478bbf1c24e9ace

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618222/
  
Delivery method
Distributed via web download

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