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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 438faf25b1d7c387ef14957012fd4fdfe193a4978fb71b5aa90081caa9d3cd9b. 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: 438faf25b1d7c387ef14957012fd4fdfe193a4978fb71b5aa90081caa9d3cd9b
SHA3-384 hash: 76e799fa85f7da14677cc69f0d1231c4611e40030a03c934710a28f211fd7a0c55908f047486db9706c81ae6bd03867c
SHA1 hash: 1d2eaeb1750f4705e1f6917d0ff2d4e1281c688b
MD5 hash: 7830099fb0765d5b7a0be9d089114233
humanhash: indigo-idaho-east-solar
File name:xnxnxnxnxnxnxnxni386xnxn
Download: download sample
Signature Mirai
Create hunting rule
File size:123'472 bytes
First seen:2026-09-09 09:40:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:X6tJsoRNjmj1VGCLUZMIV9Sr+QVrxZNiohw:1oRNjmj1VGc3rRiou
TLSH T199C35B82E6A2D0F1E68701B00557F3E68935EA305416CEC6EFA93D71EC717829D9BB1C
telfhash t1dd4107fa5ea60ce873d49c05d35e1730b909da3b687036aa40f31e7536fad9212b5c35
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 1d6cbc5c3ee170cb70f2474d5c19e6e32dc50c4ccf93cfb3ef4d218d16d4791b
File size (compressed) :60'788 bytes
File size (de-compressed) :123'472 bytes
Format:linux/i386
Packed file: 1d6cbc5c3ee170cb70f2474d5c19e6e32dc50c4ccf93cfb3ef4d218d16d4791b

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-32.UNOFFICIAL
Create hunting rule

Unix.Malware.Gafgyt-10059181-0
Create hunting rule

Unix.Malware.Mirai-10059790-0
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10058917-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file in the %temp% directory
Runs as daemon
Kills processes
Locks files
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6aa129ca76655bf4b0870dd1/reports/02df4029-e4cf-4ce0-8af2-19abfc1a3c2d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/438faf25b1d7c387ef14957012fd4fdfe193a4978fb71b5aa90081caa9d3cd9b
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:
2026-09-09T08:28:00Z UTC
Last seen:
2026-09-10T21:08:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/438faf25b1d7c387ef14957012fd4fdfe193a4978fb71b5aa90081caa9d3cd9b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bd58c170-67f7-4e1b-bbac-7a11b6fc262f
Behavior Graph:
Download SVG
%3 guuid=3e187193-1a00-0000-5335-c806c8070000 pid=1992 /usr/bin/sudo guuid=f8d45196-1a00-0000-5335-c806cf070000 pid=1999 /tmp/sample.bin guuid=3e187193-1a00-0000-5335-c806c8070000 pid=1992->guuid=f8d45196-1a00-0000-5335-c806cf070000 pid=1999 execve guuid=c537ce96-1a00-0000-5335-c806d1070000 pid=2001 /tmp/sample.bin guuid=f8d45196-1a00-0000-5335-c806cf070000 pid=1999->guuid=c537ce96-1a00-0000-5335-c806d1070000 pid=2001 clone guuid=29c1d896-1a00-0000-5335-c806d2070000 pid=2002 /tmp/sample.bin net send-data zombie guuid=c537ce96-1a00-0000-5335-c806d1070000 pid=2001->guuid=29c1d896-1a00-0000-5335-c806d2070000 pid=2002 clone 4ebbd85e-1eb3-59d9-a9a5-f2d82985e2f4 172.233.33.186:54128 guuid=29c1d896-1a00-0000-5335-c806d2070000 pid=2002->4ebbd85e-1eb3-59d9-a9a5-f2d82985e2f4 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=29c1d896-1a00-0000-5335-c806d2070000 pid=2002->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 42B guuid=29c1d896-1a00-0000-5335-c806d2070000 pid=2005 /tmp/sample.bin guuid=29c1d896-1a00-0000-5335-c806d2070000 pid=2002->guuid=29c1d896-1a00-0000-5335-c806d2070000 pid=2005 clone guuid=29c1d896-1a00-0000-5335-c806d2070000 pid=2006 /tmp/sample.bin zombie guuid=29c1d896-1a00-0000-5335-c806d2070000 pid=2002->guuid=29c1d896-1a00-0000-5335-c806d2070000 pid=2006 clone
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/3a04ee6f-de27-4619-b9fa-d199e6251aa5
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1970601
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/438faf25b1d7c387ef14957012fd4fdfe193a4978fb71b5aa90081caa9d3cd9b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/438faf25b1d7c387ef14957012fd4fdfe193a4978fb71b5aa90081caa9d3cd9b/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-09-09 09:41:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ioh26jnr27byp3yusvybf7kp37qzhjexr63rwwvjaca4vkotzwnq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery linux
Link:
https://tria.ge/reports/260909-lnyetadq41/
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:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/438faf25b1d7c387ef14957012fd4fdfe193a4978fb71b5aa90081caa9d3cd9b

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: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:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Gafgyt

elf 1d6cbc5c3ee170cb70f2474d5c19e6e32dc50c4ccf93cfb3ef4d218d16d4791b

Mirai

elf 438faf25b1d7c387ef14957012fd4fdfe193a4978fb71b5aa90081caa9d3cd9b

(this sample)

  
Dropped by
SHA256 1d6cbc5c3ee170cb70f2474d5c19e6e32dc50c4ccf93cfb3ef4d218d16d4791b
  
Dropped by
MD5 a3aeb0c0c435754032ef1f3b2258cd65
  
URLhaus
https://urlhaus.abuse.ch/url/3914420/
  
Delivery method
Distributed via web download

Comments