MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a381bc599339e19ce1aac8cb83979581ece3f9ab93ce01e78d3dde0c44b6bc5d. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a381bc599339e19ce1aac8cb83979581ece3f9ab93ce01e78d3dde0c44b6bc5d
SHA3-384 hash: 035bf5a37c0bf6caddb1e1a7f40ff3512a79d6d1ace5c55fe58b52aeea24f9155bdee9fb83f4b03c48a6d39752c45b42
SHA1 hash: 18a2b6b0cd39e8f326fafd28f58e4fd9a192c51c
MD5 hash: 8e0503b08becbe2865a75b23d31d0676
humanhash: bacon-fix-undress-kilo
File name:xnxnxnxnxnxnxnxni386xnxn
Download: download sample
Signature Mirai
Create hunting rule
File size:60'808 bytes
First seen:2026-07-23 18:18:27 UTC
Last seen:2026-07-24 17:10:10 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:C1/S5aOdeB51F+yuXkoPgvFbFX6hTZ0f8ASAnLkg4azHY:CM5az1Fy0oPgdZX6hTo8RgLGazHY
TLSH T1ED5302FB90987DCCC06A9734060F4A063EC667B8608AA53B77C4A6554BF2344CFD87E5
telfhash t1a0b01122cc8a8e020200882e0a0a022fe280feb82c0bf303a0b80c28e0b2c8e0000083
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
File size (compressed) :60'808 bytes
File size (de-compressed) :123'472 bytes
Format:linux/i386
Unpacked file: ce8090ab30b14a2caaa580ef69c65539c8007963470e5001e210aad914e369a0

Intelligence

File Origin
# of uploads :
5
# of downloads :
109
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/43bc3672-71ea-4c40-871c-6c3b42a1ea8e/
Detection(s):
SecuriteInfo.com.Linux.Packed.2057.25565.2822.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file
Sends data to a server
Receives data from a server
Creating a file in the %temp% directory
Runs as daemon
Kills processes
Locks files
Connection attempt
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
2
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a381bc599339e19ce1aac8cb83979581ece3f9ab93ce01e78d3dde0c44b6bc5d
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-23T15:30:00Z UTC
Last seen:
2026-07-24T18:22:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Agent.vb HEUR:Backdoor.Linux.Mirai.la HEUR:Backdoor.Linux.Gafgyt.ix
Link:
https://opentip.kaspersky.com/a381bc599339e19ce1aac8cb83979581ece3f9ab93ce01e78d3dde0c44b6bc5d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/54f87efb-6cac-489f-96f9-26d1e4b0405b
Behavior Graph:
Download SVG
%3 guuid=79db51ab-1e00-0000-7682-47b903120000 pid=4611 /usr/bin/sudo guuid=a98e9bae-1e00-0000-7682-47b907120000 pid=4615 /tmp/sample.bin write-file guuid=79db51ab-1e00-0000-7682-47b903120000 pid=4611->guuid=a98e9bae-1e00-0000-7682-47b907120000 pid=4615 execve guuid=4c3ad6af-1e00-0000-7682-47b909120000 pid=4617 /tmp/sample.bin guuid=a98e9bae-1e00-0000-7682-47b907120000 pid=4615->guuid=4c3ad6af-1e00-0000-7682-47b909120000 pid=4617 clone guuid=e5c31fb0-1e00-0000-7682-47b90a120000 pid=4618 /tmp/sample.bin send-data zombie guuid=4c3ad6af-1e00-0000-7682-47b909120000 pid=4617->guuid=e5c31fb0-1e00-0000-7682-47b90a120000 pid=4618 clone 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=e5c31fb0-1e00-0000-7682-47b90a120000 pid=4618->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 350B guuid=e5c31fb0-1e00-0000-7682-47b90a120000 pid=4620 /tmp/sample.bin guuid=e5c31fb0-1e00-0000-7682-47b90a120000 pid=4618->guuid=e5c31fb0-1e00-0000-7682-47b90a120000 pid=4620 clone guuid=e5c31fb0-1e00-0000-7682-47b90a120000 pid=4621 /tmp/sample.bin zombie guuid=e5c31fb0-1e00-0000-7682-47b90a120000 pid=4618->guuid=e5c31fb0-1e00-0000-7682-47b90a120000 pid=4621 clone
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/24be3da0-bee2-4501-90fd-beb1d1c11d6f
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1947280
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a381bc599339e19ce1aac8cb83979581ece3f9ab93ce01e78d3dde0c44b6bc5d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a381bc599339e19ce1aac8cb83979581ece3f9ab93ce01e78d3dde0c44b6bc5d/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-07-23 18:21:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uoa3ywmthhqzzynkzdfyhf4vqhwoh6nlsphadz4nhxpayrfwxroq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery linux upx
Link:
https://tria.ge/reports/260723-wxzpcahl7w/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Checks hardware identifiers (DMI)
Enumerates active TCP sockets
Enumerates running processes
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/a381bc599339e19ce1aac8cb83979581ece3f9ab93ce01e78d3dde0c44b6bc5d

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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 a381bc599339e19ce1aac8cb83979581ece3f9ab93ce01e78d3dde0c44b6bc5d

(this sample)

Mirai

elf ce8090ab30b14a2caaa580ef69c65539c8007963470e5001e210aad914e369a0

  
URLhaus
https://urlhaus.abuse.ch/url/3890853/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 ce8090ab30b14a2caaa580ef69c65539c8007963470e5001e210aad914e369a0
  
Dropping
MD5 57b2aa12a5dde1a076a0ecee598d2038

Comments