MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3d90ec43a987e3f6d12afbb0477eaeb85949e9d1ee08b7fd6fea773ad4121db. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3d90ec43a987e3f6d12afbb0477eaeb85949e9d1ee08b7fd6fea773ad4121db
SHA3-384 hash: d040646bcaec8edc64f4759f5371e537a351019689dad380856175d66627c0cc846c5c43f9c818251659e4ac703d1709
SHA1 hash: 5a020f75364a08dfab6252ce3c1bb8b11824e1f3
MD5 hash: f79e7dc9280bc0331daa55a4768a17a4
humanhash: fifteen-bluebird-blue-vegan
File name:xnxnxnxnxnxnxnxnaarch64xnxn
Download: download sample
Signature Mirai
Create hunting rule
File size:197'584 bytes
First seen:2025-11-22 04:00:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:T8sAqB3gXRikyTHdItJzR8GNNr6cFNNazPx0:TWhyTHdItxRFrnAbi
TLSH T117149D69FE5FACD1D2CBE33EED460FE2741778749651C0B14A00929FC5EAED889A0217
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 ff7b429989ec654e23096083a6a85ec5e6b6f44c5e293f3de2f96df1ada586b1
File size (compressed) :69'100 bytes
File size (de-compressed) :197'584 bytes
Format:linux/arm64
Packed file: ff7b429989ec654e23096083a6a85ec5e6b6f44c5e293f3de2f96df1ada586b1

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Creating a file in the %temp% directory
Deletes a file
Receives data from a server
Locks files
Deleting a recently created file
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/692135926c89728b9825811d/reports/284814a0-f17d-4128-95e8-f39bb8756c64/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-22T01:43:00Z UTC
Last seen:
2025-11-22T02:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b3d90ec43a987e3f6d12afbb0477eaeb85949e9d1ee08b7fd6fea773ad4121db/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d4c39c14-9f4c-49a7-b059-edec8cf519a7
Behavior Graph:
Download SVG
%3 guuid=5bec6cd4-1800-0000-d356-a9b34f0a0000 pid=2639 /usr/bin/sudo guuid=7d130cd6-1800-0000-d356-a9b3560a0000 pid=2646 /tmp/sample.bin guuid=5bec6cd4-1800-0000-d356-a9b34f0a0000 pid=2639->guuid=7d130cd6-1800-0000-d356-a9b3560a0000 pid=2646 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/143d63f9-b980-432f-90c3-137e0afb3327
Result
Threat name:
n/a
Detection:
clean
Classification:
n/a
Score:
1 / 100
Link:
https://www.joesandbox.com/analysis/1818984
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3d90ec43a987e3f6d12afbb0477eaeb85949e9d1ee08b7fd6fea773ad4121db
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3d90ec43a987e3f6d12afbb0477eaeb85949e9d1ee08b7fd6fea773ad4121db/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 04:01:15 UTC
File Type:
ELF64 Little (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpmq5rb2tb7d63isv65qi57k5oczjhu5d3qiw76w72txhlkbehnq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251122-elcxrswmaj/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2dbd4685-034d-48da-b3af-10def661650b
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/b3d90ec43a987e3f6d12afbb0477eaeb85949e9d1ee08b7fd6fea773ad4121db

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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 ff7b429989ec654e23096083a6a85ec5e6b6f44c5e293f3de2f96df1ada586b1

Mirai

elf b3d90ec43a987e3f6d12afbb0477eaeb85949e9d1ee08b7fd6fea773ad4121db

(this sample)

  
Dropped by
SHA256 ff7b429989ec654e23096083a6a85ec5e6b6f44c5e293f3de2f96df1ada586b1
  
URLhaus
https://urlhaus.abuse.ch/url/3713408/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 aa3066ad3c21c16cf6bf9e07a4e91915
  
URLhaus
https://urlhaus.abuse.ch/url/3713393/

Comments