MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51cc57a3d97748c2f13690b21dc0e082ac458d6aafe198705ef783a3f11d654a. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 51cc57a3d97748c2f13690b21dc0e082ac458d6aafe198705ef783a3f11d654a
SHA3-384 hash: 10572edc456cb46cec9d0d378fad6b12320b7111f98c3d3a29457ed1a681c43aad0cba18d1f57659bdeb2d809fcce1b7
SHA1 hash: c157a0c208e77c01f41b41b105622368838e5ad1
MD5 hash: 1a0ea5e54135b5627d61ad6e8a73b3f4
humanhash: fourteen-harry-oscar-florida
File name:morte.arm
Download: download sample
Signature Mirai
File size:41'440 bytes
First seen:2025-10-20 23:57:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Ge1+D3wi4ovRN/3yarPZKdghpQ+lIPE69HY7MEOx4pX9tRs3UozQ:GM+D3FrT/ioxKWXQO0p4ps4pNt8zQ
TLSH T11413E102B8CA5EE1D77025328EA84B8663D24BF8C0847972BD60437567CA45E9AB75CB
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
File size (compressed) :41'440 bytes
File size (de-compressed) :94'808 bytes
Format:linux/arm
Unpacked file: 0e87877eab23a27d4204704fe256a4bcdcd99be0f45079999395a8e949386e49

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-20T21:11:00Z UTC
Last seen:
2025-10-20T23:55:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=b80e4b67-1a00-0000-07eb-62ef630a0000 pid=2659 /usr/bin/sudo guuid=b3f5f468-1a00-0000-07eb-62ef690a0000 pid=2665 /tmp/sample.bin guuid=b80e4b67-1a00-0000-07eb-62ef630a0000 pid=2659->guuid=b3f5f468-1a00-0000-07eb-62ef690a0000 pid=2665 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798763 Sample: morte.arm.elf Startdate: 21/10/2025 Architecture: LINUX Score: 68 22 ultrauraniummirai.ddns.net. [malformed] 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Sample is packed with UPX 2->32 8 morte.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Sends malformed DNS queries 22->34 36 Uses dynamic DNS services 22->36 process4 process5 12 morte.arm.elf 8->12         started        14 morte.arm.elf 8->14         started        16 morte.arm.elf 8->16         started        process6 18 morte.arm.elf 12->18         started        20 morte.arm.elf 12->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-10-20 23:59:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 51cc57a3d97748c2f13690b21dc0e082ac458d6aafe198705ef783a3f11d654a

(this sample)

  
Delivery method
Distributed via web download

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