MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 581b73a62dc819578acd111ddadece6899e57ff1d714f8d7059e69025b71cebf. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: 581b73a62dc819578acd111ddadece6899e57ff1d714f8d7059e69025b71cebf
SHA3-384 hash: f369223fb3f299ca86a875cc25ea8a68208d85d01197ca6756cc2eb9d26bf0cbc6fca8f81bf9ac034c882099b746d7cb
SHA1 hash: 4d33ec7901550a7e70e111126b62cf9e5379241a
MD5 hash: 95c0f15363a1a1bf70fdf9d08bc5ee2f
humanhash: eleven-utah-california-papa
File name:morte.arm5
Download: download sample
Signature Mirai
File size:46'992 bytes
First seen:2025-08-19 16:17:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:3aqRtqOITV7T55/bz2iI55dqNjfovxxjq9SqiyZ0oUYDMEBNCVFTgnmz8:b8TVvf/fedqNTovSkqiyZZYHG
TLSH T1AB232A96FC928DAAC6C0577AB62E528933A377A5C2CF3303C8185B5227C650F5D7BE41
telfhash t186f05084fe764f1549e1a574dcad0760d9035112a56257209f12cad1883e15dd70cd2d
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 7df52a5694e72753a2e553469f8972a1f704d91e505eda2f6ae88de89ee9f88a
File size (compressed) :22'900 bytes
File size (de-compressed) :46'992 bytes
Format:linux/arm
Packed file: 7df52a5694e72753a2e553469f8972a1f704d91e505eda2f6ae88de89ee9f88a

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated
Status:
terminated
Behavior Graph:
%3 guuid=a9fecaa2-1a00-0000-93d0-10ada70b0000 pid=2983 /usr/bin/sudo guuid=a4810ba5-1a00-0000-93d0-10adaf0b0000 pid=2991 /tmp/sample.bin guuid=a9fecaa2-1a00-0000-93d0-10ada70b0000 pid=2983->guuid=a4810ba5-1a00-0000-93d0-10adaf0b0000 pid=2991 execve
Result
Threat name:
Detection:
malicious
Classification:
mine
Score:
60 / 100
Signature
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-19 16:20:52 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
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:CP_AllMal_Detector
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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 581b73a62dc819578acd111ddadece6899e57ff1d714f8d7059e69025b71cebf

(this sample)

  
Delivery method
Distributed via web download

Comments