MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 646f7dbeca021e36075eda4a2a1728e39f70d07416f488167aa9e6b92ee5a868. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 646f7dbeca021e36075eda4a2a1728e39f70d07416f488167aa9e6b92ee5a868
SHA3-384 hash: 95bc4f9f8e37ef34aa161dc58bae08f5d15ce8f82b5b6bb05aab9b1bdff2a40f6eb240a8fa2162f368c1f1263db2fef4
SHA1 hash: 1e606f7169d827de528fba9cb1d11ed3791cdb85
MD5 hash: bfc4515f69b276a893b17890e09c365e
humanhash: cola-enemy-earth-may
File name:morte.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:46'124 bytes
First seen:2025-12-03 08:14:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:RIITRlhmDyw2+drNGNlMVQY2NECHYIfy69cGowW4S9dV+EmjB2NE0Nghys3UozO:RIcRHmD72EN0lM6Y6ECjy6mGowW4sLN3
TLSH T10E23F2F540C93E23E7605C31BDE64ECB16978F7C66CA11706EA406302DE570FA674A6B
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) :46'124 bytes
File size (de-compressed) :121'740 bytes
Format:linux/arm
Unpacked file: a830d0a385366de3f9929b41c9d2c26444286caa51b9b83360a54b55bc52b0dd

Intelligence

File Origin
# of uploads :
1
# of downloads :
23
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
android masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/692ff1998e26c121ec9537ce/reports/5b002f3c-3055-47be-bc40-47fb45f859d9/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6a2f561a-bacc-4100-aae9-fc0daea8b3e0
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1825173
Signature
Deletes system log files
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825173 Sample: morte.arm.elf Startdate: 03/12/2025 Architecture: LINUX Score: 88 39 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected Mirai 2->45 47 Sample is packed with UPX 2->47 10 morte.arm.elf 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 6 other processes 2->16 signatures3 process4 process5 18 morte.arm.elf 10->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 12->20         started        process6 22 morte.arm.elf 18->22         started        file7 37 /etc/init.d/sysd, POSIX 22->37 dropped 49 Sample tries to set files in /etc globally writable 22->49 51 Drops files in suspicious directories 22->51 53 Sample tries to persist itself using System V runlevels 22->53 26 morte.arm.elf 22->26         started        28 morte.arm.elf sh 22->28         started        signatures8 process9 process10 30 morte.arm.elf 26->30         started        33 morte.arm.elf 26->33         started        35 sh cp 28->35         started        signatures11 55 Deletes system log files 30->55 57 Sample tries to kill multiple processes (SIGKILL) 33->57
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/646f7dbeca021e36075eda4a2a1728e39f70d07416f488167aa9e6b92ee5a868
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/646f7dbeca021e36075eda4a2a1728e39f70d07416f488167aa9e6b92ee5a868/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-03 08:15:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mrxx3pwkaipdmb263jfcufzi4opxbuduc32iqft2vhtlslxfvbua._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/251203-j594tsxkgn/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/646f7dbeca021e36075eda4a2a1728e39f70d07416f488167aa9e6b92ee5a868

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
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 646f7dbeca021e36075eda4a2a1728e39f70d07416f488167aa9e6b92ee5a868

(this sample)

Mirai

elf a830d0a385366de3f9929b41c9d2c26444286caa51b9b83360a54b55bc52b0dd

  
URLhaus
https://urlhaus.abuse.ch/url/3720251/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a830d0a385366de3f9929b41c9d2c26444286caa51b9b83360a54b55bc52b0dd
  
Dropping
MD5 f0841290c048463916aad4e83a7e51bb
  
URLhaus
https://urlhaus.abuse.ch/url/3720209/

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