MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1aac960ee2a7d3bba9fb05fafe17e59b260111b69cb9917e4e1d7d6dc520792. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1aac960ee2a7d3bba9fb05fafe17e59b260111b69cb9917e4e1d7d6dc520792
SHA3-384 hash: cbf2967dc2f8a6b85fca99ab1da27d63332044e37cac16c49c50d58f9883f28c459e9514c9e634928af4150e13451612
SHA1 hash: 058685b8ae43a91750183299a35a1027e1fb52e9
MD5 hash: a947c0bac41b27f6ff4a82d591d3811d
humanhash: equal-oklahoma-white-carbon
File name:m68k.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:234'636 bytes
First seen:2025-09-20 03:11:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:RoymT4EVVQZS43f02bncL5hiUHZpwR5Dla9j6fqRA6:9NZ29hiU8R54GfqRA6
TLSH T13E347D82F401DD7DFC9ED73BC16B4B07B131976141421A27B226F86ABD371A11A3AF4A
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

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

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

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

Unix.Trojan.Mirai-9940650-0
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.Mirai-10018298-0
Create hunting rule

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm lolbin packed remote threat
Link:
https://www.filescan.io/uploads/68ce1b77f224aeb809c928d2/reports/94900773-0648-4a61-8151-40eded251e01/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-20T01:42:00Z UTC
Last seen:
2025-09-20T01:42:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c1aac960ee2a7d3bba9fb05fafe17e59b260111b69cb9917e4e1d7d6dc520792/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4634756a-454e-4284-be36-ca4a0f567b3f
Behavior Graph:
Download SVG
%3 guuid=fa3c74ea-1700-0000-25ec-0d28d30c0000 pid=3283 /usr/bin/sudo guuid=61e1ceec-1700-0000-25ec-0d28db0c0000 pid=3291 /tmp/sample.bin guuid=fa3c74ea-1700-0000-25ec-0d28d30c0000 pid=3283->guuid=61e1ceec-1700-0000-25ec-0d28db0c0000 pid=3291 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8d3d7428-356a-4663-8a9b-444452b7c5e5
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1781080
Signature
Deletes system log files
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: 1781080 Sample: m68k.urbotnetisass.elf Startdate: 20/09/2025 Architecture: LINUX Score: 96 66 94.154.35.153, 43212 SELECTELRU Ukraine 2->66 68 109.202.202.202, 80 INIT7CH Switzerland 2->68 70 2 other IPs or domains 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 Yara detected Gafgyt 2->74 76 Yara detected Mirai 2->76 10 m68k.urbotnetisass.elf 2->10         started        14 udisksd dumpe2fs 2->14         started        16 udisksd dumpe2fs 2->16         started        18 484 other processes 2->18 signatures3 process4 file5 52 /root/.bashrc, ASCII 10->52 dropped 54 /etc/rc.local, POSIX 10->54 dropped 56 /etc/profile, ASCII 10->56 dropped 58 /etc/crontab, ASCII 10->58 dropped 80 Sample tries to persist itself using /etc/profile 10->80 82 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 10->82 84 Sample tries to persist itself using cron 10->84 86 Sample tries to persist itself using System V runlevels 10->86 20 m68k.urbotnetisass.elf 10->20         started        signatures6 process7 file8 44 /_dev_shm_.6258_librt.so.1, ELF 20->44 dropped 46 /_dev_shm_.6258_libpthread.so.0, ELF 20->46 dropped 48 /_dev_shm_.6258_libm.so.6, ELF 20->48 dropped 50 6 other malicious files 20->50 dropped 78 Writes identical ELF files to multiple locations 20->78 24 m68k.urbotnetisass.elf 20->24         started        26 m68k.urbotnetisass.elf 20->26         started        28 m68k.urbotnetisass.elf 20->28         started        signatures9 process10 process11 30 m68k.urbotnetisass.elf 24->30         started        34 m68k.urbotnetisass.elf 26->34         started        36 m68k.urbotnetisass.elf 28->36         started        file12 60 /tmp/.taunt, POSIX 30->60 dropped 62 /tmp/.mock, POSIX 30->62 dropped 64 /tmp/.broken_shell, POSIX 30->64 dropped 88 Deletes system log files 30->88 38 m68k.urbotnetisass.elf 30->38         started        40 m68k.urbotnetisass.elf 30->40         started        42 m68k.urbotnetisass.elf 30->42         started        signatures13 process14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c1aac960ee2a7d3bba9fb05fafe17e59b260111b69cb9917e4e1d7d6dc520792
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c1aac960ee2a7d3bba9fb05fafe17e59b260111b69cb9917e4e1d7d6dc520792/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-20 03:12:40 UTC
File Type:
ELF32 Big (Exe)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygvmsyhofj6txou7wbp27yl6lgzgaei3nhfzsf7e4hl5nxcsa6ja._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250920-dp3f6a1mz9/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c632d28c-61fc-4f82-8149-83399f7a7427
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/c1aac960ee2a7d3bba9fb05fafe17e59b260111b69cb9917e4e1d7d6dc520792

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: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 c1aac960ee2a7d3bba9fb05fafe17e59b260111b69cb9917e4e1d7d6dc520792

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618254/
  
Delivery method
Distributed via web download

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