MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acf55ae6cc02e2f40f55d47f4b17f20a4e145bd5dd2ddab836d3f22b2d7c27d2. 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 20 File information Comments
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SHA256 hash: acf55ae6cc02e2f40f55d47f4b17f20a4e145bd5dd2ddab836d3f22b2d7c27d2
SHA3-384 hash: 4ee085b7e2aa0c37e817a25e0eaea165330d1a4781fc52d8709cb154dc9e420e924dc0a598f31e4a495ba5f8ec9ef1c7
SHA1 hash: 59f3f40a33f58eb86cb9cb50e43bb40c1aff60be
MD5 hash: ff17858c790f97f6b5ce056cb7022c23
humanhash: eleven-golf-fish-neptune
File name:morte.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:149'912 bytes
First seen:2025-11-29 11:04:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:zqJlzf+5ncXxyLMYOJ7JGRUYN1ufT0huxtD3CKG05/CUs:zqJJfuncXxyLOJ7y8TyurDVd/CUs
TLSH T16FE33956B9C088FEC485C17C07FEB137D861F0AE527C765B27C4EE262D8DEA05A38685
telfhash t1a34188b07dd2395c62d7d91ab39fec26fcb219210de5b15a8e677ee4dd43b880c62011
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 11332376904f8bed307fc0656dad462388db91aaec7c4997f95456af5f3de070
File size (compressed) :58'476 bytes
File size (de-compressed) :149'912 bytes
Format:linux/amd64
Packed file: 11332376904f8bed307fc0656dad462388db91aaec7c4997f95456af5f3de070

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136017-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Unix.Packed.Botnet-6566031-0
Create hunting rule

Unix.Dropper.Botnet-6566040-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Deleting a recently created file
Sends data to a server
Launching a process
Removes directories
Creating a file
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Runs as daemon
Opens a port
DNS request
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/692ad36e2cd29ea630032b39/reports/86cc71a9-5a98-47f5-b2a7-2f68f0d06349/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/94c33c16-d9f1-4108-9462-16f8790ab8b1
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1822823
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
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
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822823 Sample: morte.x86_64.elf Startdate: 29/11/2025 Architecture: LINUX Score: 100 75 64.233.101.2, 37215 WINDSTREAMUS United States 2->75 77 123.24.195.215, 37215, 50308, 50320 VNPT-AS-VNVNPTCorpVN Viet Nam 2->77 79 98 other IPs or domains 2->79 87 Suricata IDS alerts for network traffic 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus detection for dropped file 2->91 93 7 other signatures 2->93 12 morte.x86_64.elf 2->12         started        signatures3 process4 process5 14 morte.x86_64.elf 12->14         started        process6 16 morte.x86_64.elf 14->16         started        file7 67 /etc/init.d/sysd, POSIX 16->67 dropped 81 Sample tries to set files in /etc globally writable 16->81 83 Drops files in suspicious directories 16->83 85 Sample tries to persist itself using System V runlevels 16->85 20 morte.x86_64.elf 16->20         started        22 morte.x86_64.elf 16->22         started        25 morte.x86_64.elf sh 16->25         started        signatures8 process9 file10 27 morte.x86_64.elf 20->27         started        29 morte.x86_64.elf sh 20->29         started        31 morte.x86_64.elf 20->31         started        39 3 other processes 20->39 69 /usr/Bin), ELF 22->69 dropped 33 morte.x86_64.elf 22->33         started        35 morte.x86_64.elf sh 22->35         started        37 sh cp 25->37         started        process11 signatures12 58 688 other processes 27->58 42 sh crontab 29->42         started        46 sh 29->46         started        48 morte.x86_64.elf 31->48         started        50 morte.x86_64.elf 31->50         started        52 morte.x86_64.elf 31->52         started        60 304 other processes 33->60 54 sh crontab 35->54         started        56 sh 35->56         started        95 Manipulation of devices in /dev 39->95 process13 file14 71 /var/spool/cron/crontabs/tmp.Y24Sg3, ASCII 42->71 dropped 97 Sample tries to persist itself using cron 42->97 99 Executes the "crontab" command typically for achieving persistence 42->99 62 sh crontab 46->62         started        101 Manipulation of devices in /dev 48->101 103 Deletes system log files 48->103 73 /var/spool/cron/cr...mp.zfFxM8 (deleted), ASCII 54->73 dropped 65 sh crontab 56->65         started        signatures15 process16 signatures17 105 Executes the "crontab" command typically for achieving persistence 62->105
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/acf55ae6cc02e2f40f55d47f4b17f20a4e145bd5dd2ddab836d3f22b2d7c27d2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/acf55ae6cc02e2f40f55d47f4b17f20a4e145bd5dd2ddab836d3f22b2d7c27d2/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vt2vvzwmalrpid2v2r7uwf7sbjhbiw6v3uw5vobw2pzcwll4e7ja._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/251129-m6zk9sgs7f/
Behaviour
Reads runtime system information
Changes its process name
Creates a large amount of network flows
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Contacts a large (2442) amount of remote hosts
Mirai
Mirai family
Malware Config
C2 Extraction:
draft21.redirectme.net
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/b690e1ae-b97d-4aa4-b792-438d0450b0d9
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/acf55ae6cc02/report/overview.html
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/acf55ae6cc02e2f40f55d47f4b17f20a4e145bd5dd2ddab836d3f22b2d7c27d2

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 11332376904f8bed307fc0656dad462388db91aaec7c4997f95456af5f3de070

Mirai

elf acf55ae6cc02e2f40f55d47f4b17f20a4e145bd5dd2ddab836d3f22b2d7c27d2

(this sample)

  
Dropped by
SHA256 11332376904f8bed307fc0656dad462388db91aaec7c4997f95456af5f3de070
  
URLhaus
https://urlhaus.abuse.ch/url/3719142/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 f24b6b8a267f6967a57787ce0549d433
  
URLhaus
https://urlhaus.abuse.ch/url/3719132/

Comments