MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1db45ff92f5e580171f0d1fb728e81657ec5b2cff86ecc35eb5de18c9e7cdbb. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f1db45ff92f5e580171f0d1fb728e81657ec5b2cff86ecc35eb5de18c9e7cdbb
SHA3-384 hash: 3fad9d98001606ec8ae1981907735c77bf4813a85ea21bbd3c3eae48f3413850eacc6d3d63dbc797af260eda048b0181
SHA1 hash: 56800ff2455ef6f3a0804efb0c5d1a8512d7e9ed
MD5 hash: d95f8c67743548d4101de60848c4d510
humanhash: montana-lithium-nevada-lake
File name:cron
Download: download sample
Signature Mirai
Create hunting rule
File size:91'300 bytes
First seen:2025-07-19 23:31:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:nqmmD+TfUGhrBNNIvdbZWba6iZawX1CaiC5/l3itWIRg:nqMTfUGbrv9zwX1Cai+/ccI+
TLSH T122934B82E2CB84F7D85704B46056B37ADF32DA568032D647FB499E32DD3BA0152173AA
telfhash t1724114bb1e791ce8fbc4a846a30d67312d2efbbb102076674573991032d6d825277c34
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 :
17
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Receives data from a server
Collects information on the CPU
Launching a process
Collects information on the OS
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/687c2b088a7d628a81b7f2be/reports/31f26181-255c-4119-afcd-518efe51136f/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c774b56f-78a2-47a3-a27b-bd5284b152f8
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1740252
Signature
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1740252 Sample: cron.elf Startdate: 20/07/2025 Architecture: LINUX Score: 68 68 64.50.77.245 XO-AS15US United States 2->68 70 202.58.17.2 XINWEITELECOM-KH3BEoSangkatBeounProlitKhan7Makara Cambodia 2->70 72 98 other IPs or domains 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Connects to many ports of the same IP (likely port scanning) 2->78 10 cron.elf 2->10         started        12 xfce4-session xfce4-panel 2->12         started        14 xfce4-session xfce4-panel 2->14         started        16 23 other processes 2->16 signatures3 process4 process5 18 cron.elf 10->18         started        20 xfce4-panel wrapper-2.0 12->20         started        22 xfce4-panel wrapper-2.0 12->22         started        24 xfce4-panel wrapper-2.0 12->24         started        32 4 other processes 12->32 26 xfce4-panel wrapper-2.0 14->26         started        28 xfce4-panel wrapper-2.0 14->28         started        30 xfce4-panel wrapper-2.0 14->30         started        34 3 other processes 14->34 process6 36 cron.elf 18->36         started        39 cron.elf 18->39         started        41 wrapper-2.0 xfpm-power-backlight-helper 20->41         started        43 wrapper-2.0 xfpm-power-backlight-helper 26->43         started        signatures7 80 Sample tries to kill multiple processes (SIGKILL) 36->80 45 cron.elf sh 36->45         started        47 cron.elf sh 36->47         started        49 cron.elf sh 36->49         started        51 28 other processes 36->51 process8 process9 53 sh killall 45->53         started        56 sh killall 47->56         started        58 sh killall 49->58         started        60 sh killall 51->60         started        62 sh killall 51->62         started        64 sh killall 51->64         started        66 25 other processes 51->66 signatures10 82 Terminates several processes with shell command 'killall' 53->82
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f1db45ff92f5e580171f0d1fb728e81657ec5b2cff86ecc35eb5de18c9e7cdbb
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f1db45ff92f5e580171f0d1fb728e81657ec5b2cff86ecc35eb5de18c9e7cdbb/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-19 23:32:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 22 (68.18%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6hnul74s6xsyafy7bup3okhiczl6ywzm76dozq26wxpbrsphzw5q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery linux
Link:
https://tria.ge/reports/250719-3jgd6stvgt/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Writes memory of remote process
Verdict:
Malicious
Tags:
trojan mirai
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/79f479f5-f2b2-4d62-98e6-4e880b58c9b0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f1db45ff92f5e580171f0d1fb728e81657ec5b2cff86ecc35eb5de18c9e7cdbb

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:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 f1db45ff92f5e580171f0d1fb728e81657ec5b2cff86ecc35eb5de18c9e7cdbb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576545/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3584497/
  
URLhaus
https://urlhaus.abuse.ch/url/3584475/

Comments