MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 537bf941eb034d76632909f39a03d5e018f433c09be32d7bd6c4b9d89d1fe764. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 537bf941eb034d76632909f39a03d5e018f433c09be32d7bd6c4b9d89d1fe764
SHA3-384 hash: 1f43e586f2dfcb7f9dac6d71a0d20b2023aba0e5c74827ef52ced6863be74f3e168bd7d4accf74e3d690433d86ed13fc
SHA1 hash: 8c9f177982b468b05d3f39c8a493074f16bc8733
MD5 hash: a6a0ac855581917eb7416ce43160ae1f
humanhash: fifteen-burger-delaware-king
File name:morte.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:39'592 bytes
First seen:2025-08-22 02:27:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:RDNvb1kbubEKH2HaKI+91GwJaCTOEQ1byPiN3F5ghqr24s3UozN:ZV+K9HIFZqEibyPifqtzN
TLSH T10203E1AAF9CF4A03BF70C63AB39C0965794253ECE2FE253118AC7F601AC525461B1D9D
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) :39'592 bytes
File size (de-compressed) :83'764 bytes
Format:linux/arm
Unpacked file: 514587d7144c8a365635bee317abbcb2985d03e29c6080752ac675f56fefeae3

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e62ae7d3-eab7-4db0-bcdb-de06321deff4
Behavior Graph:
Download SVG
%3 guuid=c35c0e3a-1b00-0000-7ee0-9492440b0000 pid=2884 /usr/bin/sudo guuid=004fde3c-1b00-0000-7ee0-94924d0b0000 pid=2893 /tmp/sample.bin guuid=c35c0e3a-1b00-0000-7ee0-9492440b0000 pid=2884->guuid=004fde3c-1b00-0000-7ee0-94924d0b0000 pid=2893 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/95e4ba54-b4c8-4f12-89f4-e7653a803730
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1762626
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
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1762626 Sample: morte.arm.elf Startdate: 22/08/2025 Architecture: LINUX Score: 92 32 codingvix.win 196.251.73.215, 12121, 55306, 55312 Web4AfricaZA Seychelles 2->32 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Mirai 2->42 44 Yara detected Xmrig cryptocurrency miner 2->44 46 Sample is packed with UPX 2->46 10 morte.arm.elf 2->10         started        signatures3 process4 signatures5 54 Found strings related to Crypto-Mining 10->54 13 morte.arm.elf 10->13         started        process6 process7 15 morte.arm.elf 13->15         started        file8 30 /etc/init.d/sysd, POSIX 15->30 dropped 34 Sample tries to set files in /etc globally writable 15->34 36 Drops files in suspicious directories 15->36 38 Sample tries to persist itself using System V runlevels 15->38 19 morte.arm.elf sh 15->19         started        21 morte.arm.elf 15->21         started        signatures9 process10 signatures11 24 sh cp 19->24         started        48 Sample deletes itself 21->48 process12 file13 28 /usr/bin/.sh, ELF 24->28 dropped 50 Drops invisible ELF files 24->50 52 Drops files in suspicious directories 24->52 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/537bf941eb034d76632909f39a03d5e018f433c09be32d7bd6c4b9d89d1fe764
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/537bf941eb034d76632909f39a03d5e018f433c09be32d7bd6c4b9d89d1fe764/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2025-08-22 02:28:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kn57sqplangxmyzjbhzzua6v4ampim6atprs266wys45rhi745sa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/250822-cx6m4syxes/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1b5dfd16-b151-44bb-8ff9-d651e1269ce9
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/537bf941eb034d76632909f39a03d5e018f433c09be32d7bd6c4b9d89d1fe764

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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 537bf941eb034d76632909f39a03d5e018f433c09be32d7bd6c4b9d89d1fe764

(this sample)

Mirai

elf 514587d7144c8a365635bee317abbcb2985d03e29c6080752ac675f56fefeae3

  
URLhaus
https://urlhaus.abuse.ch/url/3607824/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 514587d7144c8a365635bee317abbcb2985d03e29c6080752ac675f56fefeae3
  
Dropping
MD5 bc8d0f788dd8339a2310b426178715b0
  
URLhaus
https://urlhaus.abuse.ch/url/3608977/

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