MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d604fc91c9a0ff112e1facd9fa7a4d1a2656720f6dd4ad64e990599cc5169c48. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments

SHA256 hash: d604fc91c9a0ff112e1facd9fa7a4d1a2656720f6dd4ad64e990599cc5169c48
SHA3-384 hash: 6225614ab52532ced3e740acbc8a91faf71e38f9b4983404db5fc9cf76917535a79c907d7eb7ebb53485147fbf7a8242
SHA1 hash: 64da86162d69b96eeec5dd219c928ae4f85ed03c
MD5 hash: 2bfcc9deceb66280acab2b7b069e38f3
humanhash: east-moon-louisiana-robin
File name:cron
Download: download sample
Signature Mirai
File size:83'180 bytes
First seen:2025-07-16 06:33:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:BZNwvdPU4fEtF1WJe6XrNmbWoK+K0GLdcQiMjzfaWb:BZN+U4qF2jLXT0GLdcQimb
TLSH T1E6835B83E24B50FAD81704B46016B776DF32D6EA84339A4BFB198E21DA339016317FD9
telfhash t1cf3107fb1a3e0de4b3c06845d35a7e522e2ee3b7056037a345739134329bec190aad39
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 :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Receives data from a server
Connection attempt
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1737837 Sample: cron.elf Startdate: 16/07/2025 Architecture: LINUX Score: 56 17 37.251.110.117 XMSNL Netherlands 2->17 19 14.234.11.8 VNPT-AS-VNVNPTCorpVN Viet Nam 2->19 21 99 other IPs or domains 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Multi AV Scanner detection for submitted file 2->25 7 cron.elf 2->7         started        9 python3.8 dpkg 2->9         started        signatures3 process4 process5 11 cron.elf 7->11         started        13 cron.elf 7->13         started        15 cron.elf 7->15         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-16 06:34:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery linux
Behaviour
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (109311) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7640011-0
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
Please note that we are no longer able to provide a coverage score for Virus Total.

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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:unixredflags3
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 d604fc91c9a0ff112e1facd9fa7a4d1a2656720f6dd4ad64e990599cc5169c48

(this sample)

  
Delivery method
Distributed via web download

Comments