MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4a138d40fea351b801339394ce2520f56ba86d277fda46769d45c61e3811e7c. 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: a4a138d40fea351b801339394ce2520f56ba86d277fda46769d45c61e3811e7c
SHA3-384 hash: 86d3527f0941476b5f096bfe306a7494ffd1130c7921e14704786222c11374ab087ff63ca65f046c16d103adf75f5339
SHA1 hash: fab227c3dfcc8b108970b86ff43236771f8aed37
MD5 hash: ff88f72d913901d3640b6fb6efd3d3f6
humanhash: carpet-hydrogen-washington-magnesium
File name:morte.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:43'464 bytes
First seen:2025-07-08 16:47:10 UTC
Last seen:2025-07-09 10:28:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:dfAwTLXRy3SntOjdHrlt5CWJi9SzLetMpg+7OJhu81HSTPaF1aKyNFJgGlzDpbuG:dIwfRuStC2UScLmMmD6iSrazyN/VJuG
TLSH T15313F17A6B4480E7D5A355709B9813302E348BD0A591CF043B7EA287EF1417ABEE71E9
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) :43'464 bytes
File size (de-compressed) :113'556 bytes
Format:linux/mips
Unpacked file: 532ba97f7d224cee57ced0d5bb2d0afd1d3860a9cde119ca75e7ba3091cd127d

Intelligence

File Origin
# of uploads :
4
# of downloads :
14
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.4265.24049.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686d4ba5900df8e7f86899a4linux22vpnfull_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
Kills processes
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:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
botnet masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/686d4bb161f15fb42a356638/reports/bcbe9293-2b9d-41dd-8a9f-d55658a87652/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
150
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a4a138d40fea351b801339394ce2520f56ba86d277fda46769d45c61e3811e7c
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 196.251.69.95:12121
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a362af52-c5a9-46d2-bfc5-d7330832e6ce
Behavior Graph:
Download SVG
%3 guuid=e7536c0b-1a00-0000-edcf-bfde220c0000 pid=3106 /usr/bin/sudo guuid=e940b80d-1a00-0000-edcf-bfde2b0c0000 pid=3115 /tmp/sample.bin guuid=e7536c0b-1a00-0000-edcf-bfde220c0000 pid=3106->guuid=e940b80d-1a00-0000-edcf-bfde2b0c0000 pid=3115 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c31a6c3a-27b8-482f-966b-cd7c31a49f25
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1731203
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: 1731203 Sample: morte.mips.elf Startdate: 08/07/2025 Architecture: LINUX Score: 92 38 169.254.169.254, 80 USDOSUS Reserved 2->38 40 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->40 42 daisy.ubuntu.com 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected Mirai 2->46 48 Yara detected Xmrig cryptocurrency miner 2->48 50 Sample is packed with UPX 2->50 10 morte.mips.elf 2->10         started        13 python3.8 dpkg 2->13         started        signatures3 process4 signatures5 60 Found strings related to Crypto-Mining 10->60 15 morte.mips.elf 10->15         started        17 morte.mips.elf 10->17         started        process6 process7 19 morte.mips.elf 15->19         started        file8 34 /etc/init.d/sysd, POSIX 19->34 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.mips.elf sh 19->23         started        25 morte.mips.elf 19->25         started        signatures9 process10 signatures11 28 sh cp 23->28         started        58 Sample deletes itself 25->58 32 morte.mips.elf 25->32         started        process12 file13 36 /usr/bin/.sh, ELF 28->36 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/a4a138d40fea351b801339394ce2520f56ba86d277fda46769d45c61e3811e7c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4a138d40fea351b801339394ce2520f56ba86d277fda46769d45c61e3811e7c/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-07-08 16:47:31 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=usqtrvap5i2rxaathe4uzyssb5llvbwso762iz3j2rogdy4bdz6a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access defense_evasion discovery persistence upx
Link:
https://tria.ge/reports/250708-varvjscm9x/
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
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
abc.galaxias.cc
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1c2e298f-b201-42cf-addc-dc8688aa20a6
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/a4a138d40fea351b801339394ce2520f56ba86d277fda46769d45c61e3811e7c

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 a4a138d40fea351b801339394ce2520f56ba86d277fda46769d45c61e3811e7c

(this sample)

Mirai

elf 532ba97f7d224cee57ced0d5bb2d0afd1d3860a9cde119ca75e7ba3091cd127d

  
URLhaus
https://urlhaus.abuse.ch/url/3574714/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 532ba97f7d224cee57ced0d5bb2d0afd1d3860a9cde119ca75e7ba3091cd127d
  
Dropping
MD5 fcc168244754b8ec1a7a288cebaf1096

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