MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3ffef056a3d62d106749d489819683a30cf2db48b6e265f12dc3494e9538895. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3ffef056a3d62d106749d489819683a30cf2db48b6e265f12dc3494e9538895
SHA3-384 hash: eac26c576abffbd2598d504fe917d8d6813cbbb9ef9f07bbad007901ab7d2f484003848bf9da1c8df7bdfca810b5ba95
SHA1 hash: 72942dc04b6f7859f556cc490290d6518ced402e
MD5 hash: 11c4c756bf09e1d769f14b52337d15e7
humanhash: gee-lactose-wyoming-sixteen
File name:morte.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:43'176 bytes
First seen:2025-08-11 05:55:46 UTC
Last seen:2025-08-21 19:29:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:67ZthGPzqKogiiFpKPiO/2BnVTT8T69afdySiWv7I5K7eK5cVPcHnuzGVLL00/W5:67bhGWXiDKx/eV+fvIW+2HJcTYcVJu0
TLSH T15713F1B952080DB9DD1A84F8E3A903373B74AF7651879046261E231EAAC1D397CE3FC1
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) :43'176 bytes
File size (de-compressed) :114'148 bytes
Format:linux/mips
Unpacked file: b3f65dc8debf87801ec9989bb66910ccaa62507cec5fb296b5793c477de02bba

Intelligence

File Origin
# of uploads :
3
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Receives data from a server
Runs as daemon
Removes directories
Connection attempt
Deleting a recently created file
Sends data to a server
Changes access rights for a file
DNS request
Removes directories from a temporary directory
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/689986082fbe0788fb1d3efc/reports/7c45a879-d572-4c41-8364-d365d1b36f69/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
56
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a3ffef056a3d62d106749d489819683a30cf2db48b6e265f12dc3494e9538895
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f2bfac1f-4706-46c4-89a0-5747063eaf9b
Behavior Graph:
Download SVG
%3 guuid=2a32b539-1900-0000-f645-1afa8b090000 pid=2443 /usr/bin/sudo guuid=fca04d3b-1900-0000-f645-1afa92090000 pid=2450 /tmp/sample.bin guuid=2a32b539-1900-0000-f645-1afa8b090000 pid=2443->guuid=fca04d3b-1900-0000-f645-1afa92090000 pid=2450 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/856392b1-a49f-415f-b253-037367cd7ec3
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1754268
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1754268 Sample: morte.mips.elf Startdate: 11/08/2025 Architecture: LINUX Score: 60 25 vipcncnetwork.com 196.251.114.181, 12121, 35172, 35174 xneeloZA Seychelles 2->25 27 169.254.169.254, 80 USDOSUS Reserved 2->27 29 daisy.ubuntu.com 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sample is packed with UPX 2->33 10 morte.mips.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 morte.mips.elf 10->14         started        process6 16 morte.mips.elf 14->16         started        process7 18 morte.mips.elf 16->18         started        process8 20 morte.mips.elf 18->20         started        23 morte.mips.elf 18->23         started        signatures9 35 Manipulation of devices in /dev 20->35 37 Deletes system log files 20->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a3ffef056a3d62d106749d489819683a30cf2db48b6e265f12dc3494e9538895
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3ffef056a3d62d106749d489819683a30cf2db48b6e265f12dc3494e9538895/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-08-11 05:56:22 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=up766blkhvrncbtutvejqglihiym6lnurnxcmxys3q2jj2ktrckq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250811-gm4g8agj2w/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes system logs
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3a15fcc7-c637-4f9e-905c-ac56ea7fa1fa
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/a3ffef056a3d62d106749d489819683a30cf2db48b6e265f12dc3494e9538895

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 a3ffef056a3d62d106749d489819683a30cf2db48b6e265f12dc3494e9538895

(this sample)

Mirai

elf b3f65dc8debf87801ec9989bb66910ccaa62507cec5fb296b5793c477de02bba

  
URLhaus
https://urlhaus.abuse.ch/url/3590932/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 b3f65dc8debf87801ec9989bb66910ccaa62507cec5fb296b5793c477de02bba
  
Dropping
MD5 7f408cecb2d4d1486acc512352053cbf
  
URLhaus
https://urlhaus.abuse.ch/url/3600122/
  
URLhaus
https://urlhaus.abuse.ch/url/3586697/

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