MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31d41fd9e4b377ccc4a009c417c9af81c1d87569d2f87f20ee56572fb0569bf0. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31d41fd9e4b377ccc4a009c417c9af81c1d87569d2f87f20ee56572fb0569bf0
SHA3-384 hash: 04f6003948e64bfc7d24f422134ab00fbfcae10550476e7d4b808de4efcfeb80ed8a852a8939109950549997a342ce58
SHA1 hash: 2521de895ece6a264c1277e266b6ed5d7846bf28
MD5 hash: e0406df1b5cd5a0f1f63491718f11e62
humanhash: south-happy-kentucky-fourteen
File name:morte.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:87'764 bytes
First seen:2025-12-27 19:27:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:edQSta5HZ8Z4onCPYl9KMdWnwvlenq6ts81yHL2Jvv6h:edQStG8Z4oEYl9KMdU4leG8s6I
TLSH T1FE833A52FD818A22C6C512B7FB6E428D372713A8E2EE7203DD256F21338791B0E7B555
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 110a227b469b7a039e4c6905be1ae9637f90e1b38c200e72a95737eae62e7fef
File size (compressed) :40'888 bytes
File size (de-compressed) :87'764 bytes
Format:linux/arm
Packed file: 110a227b469b7a039e4c6905be1ae9637f90e1b38c200e72a95737eae62e7fef

Intelligence

File Origin
# of uploads :
1
# of downloads :
51
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/7be0ccf8-2996-4c05-a788-e6a54b626ca1/
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10058922-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai rust
Link:
https://www.filescan.io/uploads/6950334e84afa5547b5ed8e3/reports/b3f8ecc7-4851-4427-8e8e-923f992bdeae/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T17:40:00Z UTC
Last seen:
2025-12-27T19:35:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/31d41fd9e4b377ccc4a009c417c9af81c1d87569d2f87f20ee56572fb0569bf0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/04337c05-bb1e-4a94-9dfb-4e48f14bddc7
Behavior Graph:
Download SVG
%3 guuid=eaf09efe-1a00-0000-89c8-e59de90b0000 pid=3049 /usr/bin/sudo guuid=660eee00-1b00-0000-89c8-e59df00b0000 pid=3056 /tmp/sample.bin guuid=eaf09efe-1a00-0000-89c8-e59de90b0000 pid=3049->guuid=660eee00-1b00-0000-89c8-e59df00b0000 pid=3056 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a0bbf8a3-9358-41cf-a4da-d0fe179e679c
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1840461
Signature
Drops files in suspicious directories
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840461 Sample: morte.arm.elf Startdate: 27/12/2025 Architecture: LINUX Score: 84 28 ransokk.de 51.38.196.153, 12121, 58668 OVHFR France 2->28 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 40 Yara detected Xmrig cryptocurrency miner 2->40 10 morte.arm.elf 2->10         started        signatures3 process4 signatures5 44 Found strings related to Crypto-Mining 10->44 13 morte.arm.elf 10->13         started        process6 process7 15 morte.arm.elf 13->15         started        file8 26 /etc/init.d/sysd, POSIX 15->26 dropped 30 Sample tries to set files in /etc globally writable 15->30 32 Drops files in suspicious directories 15->32 34 Sample tries to persist itself using System V runlevels 15->34 19 morte.arm.elf 15->19         started        22 morte.arm.elf sh 15->22         started        signatures9 process10 signatures11 42 Sample deletes itself 19->42 24 sh cp 22->24         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31d41fd9e4b377ccc4a009c417c9af81c1d87569d2f87f20ee56572fb0569bf0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31d41fd9e4b377ccc4a009c417c9af81c1d87569d2f87f20ee56572fb0569bf0/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-27 19:28:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghkb7wpewn34zrfabhcbpsnpqha5q5lj2l4h6ihokzls7mcwtpya._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251227-x6r7asxkcr/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5850b9c3-d501-4bac-8ece-86d5048bd452
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/31d41fd9e4b377ccc4a009c417c9af81c1d87569d2f87f20ee56572fb0569bf0

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
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 110a227b469b7a039e4c6905be1ae9637f90e1b38c200e72a95737eae62e7fef

Mirai

elf 31d41fd9e4b377ccc4a009c417c9af81c1d87569d2f87f20ee56572fb0569bf0

(this sample)

  
Dropped by
SHA256 110a227b469b7a039e4c6905be1ae9637f90e1b38c200e72a95737eae62e7fef
  
URLhaus
https://urlhaus.abuse.ch/url/3618309/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 cafb8de20b6c155c311b01b0f906e19a
  
URLhaus
https://urlhaus.abuse.ch/url/3617832/

Comments