MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43961879cc8d81e9136eee55863d806c4b344cda080106b25e362b0e232f9137. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43961879cc8d81e9136eee55863d806c4b344cda080106b25e362b0e232f9137
SHA3-384 hash: 0d7a7d3969710d4b9b5f7a3a109dc9219a102ed0d7859e164b045fac8dd82c06d5cf14b39fddecae22bb2138becf741c
SHA1 hash: 291d1336eaac166186b978a5e87dc77fc147d854
MD5 hash: 89d1188b08408d223698a0135093f357
humanhash: nitrogen-monkey-glucose-uniform
File name:morte.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:41'752 bytes
First seen:2025-07-11 07:00:09 UTC
Last seen:2025-07-11 08:18:10 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:mrOYMiSapOqwfQpWJ2uz6T0llCg622OByHRvFOz2N6u4AYJgGlzDpbuR1Jd:KOYfBwfVJ2uz6TqlWs8DOz64AYVJur
TLSH T15613F1AF691986D5E09790BA0F9D0751396A5B727CC0C8C62CE1F792C7A36F438439CA
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) :41'752 bytes
File size (de-compressed) :104'436 bytes
Format:linux/mips
Unpacked file: 3f8eb2c480df5cdda25063d8cdcbd71c2d23ee3b2886214a1624f3585de673f2

Intelligence

File Origin
# of uploads :
3
# of downloads :
13
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ELF.Agent-BQZ.2085.28434.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
N/A%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6870b703c9eb974737684935linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Runs as daemon
Sets a written file as executable
Opens a port
Launching a process
Deletes a file
Connection attempt
Substitutes an application name
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
146
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/43961879cc8d81e9136eee55863d806c4b344cda080106b25e362b0e232f9137
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/75537a2e-c3f0-4ae1-a099-5cd78f6c54c5
Behavior Graph:
Download SVG
%3 guuid=d3dd2058-1900-0000-c2d1-62fe090b0000 pid=2825 /usr/bin/sudo guuid=469f685a-1900-0000-c2d1-62fe110b0000 pid=2833 /tmp/sample.bin guuid=d3dd2058-1900-0000-c2d1-62fe090b0000 pid=2825->guuid=469f685a-1900-0000-c2d1-62fe110b0000 pid=2833 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/cc5fb9ce-418d-4348-9caa-622f561b3caf
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1733542
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: 1733542 Sample: morte.mips.elf Startdate: 11/07/2025 Architecture: LINUX Score: 92 32 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 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.mips.elf 2->10         started        signatures3 process4 signatures5 54 Found strings related to Crypto-Mining 10->54 13 morte.mips.elf 10->13         started        process6 process7 15 morte.mips.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.mips.elf sh 15->19         started        21 morte.mips.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/43961879cc8d81e9136eee55863d806c4b344cda080106b25e362b0e232f9137
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43961879cc8d81e9136eee55863d806c4b344cda080106b25e362b0e232f9137/
Threat name:
Linux.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-07-11 07:01:19 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iolbq6omrwa6se3o5zkympmanrftitg2baaqnms6gyvq4izpse3q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery persistence upx
Link:
https://tria.ge/reports/250711-htcthsgq5y/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
UPX packed file
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:
abc.izumisv1.cc
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fec1c986-3ae8-4168-a602-99202266b160
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/43961879cc8d81e9136eee55863d806c4b344cda080106b25e362b0e232f9137

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: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 43961879cc8d81e9136eee55863d806c4b344cda080106b25e362b0e232f9137

(this sample)

Mirai

elf 3f8eb2c480df5cdda25063d8cdcbd71c2d23ee3b2886214a1624f3585de673f2

  
URLhaus
https://urlhaus.abuse.ch/url/3581227/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3581230/
  
URLhaus
https://urlhaus.abuse.ch/url/3581265/
  
URLhaus
https://urlhaus.abuse.ch/url/3581277/
  
Dropping
SHA256 3f8eb2c480df5cdda25063d8cdcbd71c2d23ee3b2886214a1624f3585de673f2
  
Dropping
MD5 4932ffab613a92ba57a97e77632a7753
  
URLhaus
https://urlhaus.abuse.ch/url/3579397/
  
URLhaus
https://urlhaus.abuse.ch/url/3574714/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments