MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b4f9a2dad271887e3298e1f44659a080f05f78b0bf6f5c00f12c0201f87f1d2. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b4f9a2dad271887e3298e1f44659a080f05f78b0bf6f5c00f12c0201f87f1d2
SHA3-384 hash: b3adfe993b3e5f05e741c696fd7fbeb9622561f5d35f07b475e3a735bd0417f5a2d7440ede9521cde6a862f7ed97395e
SHA1 hash: 3b58965ad0599b96d4af9234a276535f35922ce0
MD5 hash: b0c0fcafd6bb44b35fe709a3a73a3d25
humanhash: queen-uranus-sad-fish
File name:morte.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:66'932 bytes
First seen:2025-08-11 06:21:04 UTC
Last seen:2025-08-21 19:29:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:xV3jGsQTZ27v6MwtD+uadsNWt5dAzmgTxvVLQWLqdFiOvK1:HnbvKsduWp6mgTJVLJ42
TLSH T15A631295C90C9453AFE5BC7E2DE053CE3D8945B0FEF95EA681C0666404C248BBBBD2C6
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) :66'932 bytes
File size (de-compressed) :177'827 bytes
Format:linux/arm
Unpacked file: bae8ed0f0bd471beb0ba349304f5673b13da608fe5a651cb3730994c1d7cc4cb

Intelligence

File Origin
# of uploads :
4
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Removes directories
Deleting a recently created file
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e95f1df9-2531-4982-a82e-06679c66d4ed
Behavior Graph:
Download SVG
%3 guuid=04cb42c9-1600-0000-7676-a049300d0000 pid=3376 /usr/bin/sudo guuid=ce9697cb-1600-0000-7676-a049320d0000 pid=3378 /tmp/sample.bin guuid=04cb42c9-1600-0000-7676-a049300d0000 pid=3376->guuid=ce9697cb-1600-0000-7676-a049320d0000 pid=3378 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/15dd144e-9b6c-4dc9-b030-364e13692a0d
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1754281
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1754281 Sample: morte.arm7.elf Startdate: 11/08/2025 Architecture: LINUX Score: 64 25 vipcncnetwork.com. [malformed] 2->25 27 cnnetwork.uk. [malformed] 2->27 29 4 other IPs or domains 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sample is packed with UPX 2->33 10 morte.arm7.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 35 Sends malformed DNS queries 27->35 process4 process5 14 morte.arm7.elf 10->14         started        process6 16 morte.arm7.elf 14->16         started        process7 18 morte.arm7.elf 16->18         started        process8 20 morte.arm7.elf 18->20         started        23 morte.arm7.elf 18->23         started        signatures9 37 Manipulation of devices in /dev 20->37 39 Deletes system log files 20->39
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5b4f9a2dad271887e3298e1f44659a080f05f78b0bf6f5c00f12c0201f87f1d2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b4f9a2dad271887e3298e1f44659a080f05f78b0bf6f5c00f12c0201f87f1d2/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/5b4f9a2dad271887e3298e1f44659a080f05f78b0bf6f5c00f12c0201f87f1d2
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-11 06:24:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lnhzulnne4mipyzjrypuizm2bahql54lbp3plqapclacah4h6hja._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250811-g57btswry5/
Behaviour
Reads runtime system information
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes system logs
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/edd58798-eac2-4935-bce9-c59f1b4a101f
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/5b4f9a2dad271887e3298e1f44659a080f05f78b0bf6f5c00f12c0201f87f1d2

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 5b4f9a2dad271887e3298e1f44659a080f05f78b0bf6f5c00f12c0201f87f1d2

(this sample)

Mirai

elf bae8ed0f0bd471beb0ba349304f5673b13da608fe5a651cb3730994c1d7cc4cb

  
URLhaus
https://urlhaus.abuse.ch/url/3600159/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 bae8ed0f0bd471beb0ba349304f5673b13da608fe5a651cb3730994c1d7cc4cb
  
Dropping
MD5 453b459e060e79fd6e5e5440c2c8ff88
  
URLhaus
https://urlhaus.abuse.ch/url/3590948/
  
URLhaus
https://urlhaus.abuse.ch/url/3586686/

Comments