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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3873cda2c451fa6bce1245f726f686e66fad9357b84aa7b16f50dbc4eb9b6a7. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3873cda2c451fa6bce1245f726f686e66fad9357b84aa7b16f50dbc4eb9b6a7
SHA3-384 hash: 5af18606c8f0fe6e9baef993019947d989cdbb5e74224c575633eb6612c263423fcaa12f1fee8423092365073e51fb4b
SHA1 hash: bcc9439dc140019372243447db84cd3adb71d409
MD5 hash: ad237632c2eba4e3e4802494ce07a26e
humanhash: king-eleven-hot-purple
File name:morte.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:67'740 bytes
First seen:2025-07-21 07:07:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:m0WbVswLqlfmPqHH0gq0WvMFYi2LQa5oOsucfxMx:m0ELqZmPqH4di2LQa5oOvcfxc
TLSH T11E63027E94C25CA2CA32D877DC5B89DD891507D9A35FA4B3A38CE1302AD4A437B710CB
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) :67'740 bytes
File size (de-compressed) :174'557 bytes
Format:linux/arm
Unpacked file: 226de32df9138e8a6a203020d243cdf0749cec274399ee4030e106cd30a0f790

Intelligence

File Origin
# of uploads :
1
# of downloads :
18
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Sets a written file as executable
Opens a port
Launching a process
Sends data to a server
Connection attempt
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/687de78319132d984883cdad/reports/71893287-ffa5-4f4b-88d2-0d999ce87c9c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c3873cda2c451fa6bce1245f726f686e66fad9357b84aa7b16f50dbc4eb9b6a7
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/84441a3e-2c8e-496f-bd00-44e73239604e
Behavior Graph:
Download SVG
%3 guuid=6611ad74-1700-0000-481e-be0f040d0000 pid=3332 /usr/bin/sudo guuid=b8129376-1700-0000-481e-be0f090d0000 pid=3337 /tmp/sample.bin guuid=6611ad74-1700-0000-481e-be0f040d0000 pid=3332->guuid=b8129376-1700-0000-481e-be0f090d0000 pid=3337 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/84893206-5e3a-4dd9-bdb2-d61d0b0858c6
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1741047
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Uses dynamic DNS services
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1741047 Sample: morte.arm7.elf Startdate: 21/07/2025 Architecture: LINUX Score: 96 36 netohxxx.duckdns.org 2->36 38 netohxxx.duckdns.org 45.135.194.137, 12121, 39236 SKYLINKCZ Germany 2->38 40 54.171.230.55, 443, 60068 AMAZON-02US United States 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Mirai 2->44 46 Yara detected Xmrig cryptocurrency miner 2->46 48 Sample is packed with UPX 2->48 10 morte.arm7.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 50 Uses dynamic DNS services 36->50 process4 signatures5 60 Found strings related to Crypto-Mining 10->60 17 morte.arm7.elf 10->17         started        process6 process7 19 morte.arm7.elf 17->19         started        file8 32 /etc/init.d/sysd, POSIX 19->32 dropped 52 Sample tries to set files in /etc globally writable 19->52 54 Drops files in suspicious directories 19->54 56 Sample tries to persist itself using System V runlevels 19->56 23 morte.arm7.elf sh 19->23         started        25 morte.arm7.elf 19->25         started        signatures9 process10 signatures11 28 sh cp 23->28         started        58 Sample deletes itself 25->58 process12 file13 34 /usr/bin/.sh, ELF 28->34 dropped 62 Drops invisible ELF files 28->62 64 Drops files in suspicious directories 28->64 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c3873cda2c451fa6bce1245f726f686e66fad9357b84aa7b16f50dbc4eb9b6a7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3873cda2c451fa6bce1245f726f686e66fad9357b84aa7b16f50dbc4eb9b6a7/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-20 21:09:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yodtzwrmiup2nphberpxe33inztpvwjvpocku6yw6ug3ytvzw2tq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery execution persistence upx
Link:
https://tria.ge/reports/250721-hyhwbsxqz2/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Deletes itself
Mirai
Mirai family
Malware Config
C2 Extraction:
netohxxx.duckdns.org
Malware Family:
n/a
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b5a09747-7f8c-4e3f-b85e-7384991d89fa
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/c3873cda2c451fa6bce1245f726f686e66fad9357b84aa7b16f50dbc4eb9b6a7

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 c3873cda2c451fa6bce1245f726f686e66fad9357b84aa7b16f50dbc4eb9b6a7

(this sample)

Mirai

elf 226de32df9138e8a6a203020d243cdf0749cec274399ee4030e106cd30a0f790

  
URLhaus
https://urlhaus.abuse.ch/url/3586939/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 226de32df9138e8a6a203020d243cdf0749cec274399ee4030e106cd30a0f790
  
Dropping
MD5 f7a0ea5c246da2ec475bf8f72db7130a

Comments