MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca4dde73976d4362ee9aea2b31da9d8abde5d8e5131bb0696ba609cc78dd4065. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: ca4dde73976d4362ee9aea2b31da9d8abde5d8e5131bb0696ba609cc78dd4065
SHA3-384 hash: 43a252fb72b98938210a150eea7d64c5af60e6b42da88819951870d5d6dbca190b09bc31cf59408b8c5b853fd2884771
SHA1 hash: 9990eb187b8f2c829d5ba17613ed5d7ad354afbd
MD5 hash: fcc96a25875eee844ef98c3c66cb1b38
humanhash: washington-floor-purple-mexico
File name:dlr.sh4
Download: download sample
Signature Mirai
File size:152'196 bytes
First seen:2025-10-25 19:25:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Ku9TRNHWWG9sFRvn72NNJ8fsmtz+WvqKyC2:Ku5RzRvn72NNKtrvKC
TLSH T1E1E37C73D86A7F58C254D4B4B035DB782B93A5A181472FBF69EAC2B48087D8CF5053B8
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 :
132
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-25T17:04:00Z UTC
Last seen:
2025-10-27T10:13:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1801817 Sample: dlr.sh4.elf Startdate: 25/10/2025 Architecture: LINUX Score: 68 23 169.254.169.254, 80 USDOSUS Reserved 2->23 25 213.209.143.62, 1348, 38798 RAPIDNET-DEHaunstetterStr19DE Germany 2->25 27 3 other IPs or domains 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 8 dlr.sh4.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 35 Sample deletes itself 8->35 17 dlr.sh4.elf 8->17         started        process6 process7 19 dlr.sh4.elf 17->19         started        21 dlr.sh4.elf 17->21         started       
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-10-25 19:27:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 ca4dde73976d4362ee9aea2b31da9d8abde5d8e5131bb0696ba609cc78dd4065

(this sample)

Comments