MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c. 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: 538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c
SHA3-384 hash: 954c467d698f1cfbec8f63574dcadc1b18507ceda036f2a590a9247f9c6f63068d70480bf63811f0d1dc6a41a3a7302f
SHA1 hash: a1e256ffe1f37f2a1b58c3b5409de6af6b7a5732
MD5 hash: 1bd1eb17f144729896e807affc3384b2
humanhash: cat-seventeen-victor-hot
File name:parm
Download: download sample
Signature Mirai
Create hunting rule
File size:37'456 bytes
First seen:2026-03-11 01:06:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:NEWanU+dRP2QDd4TWAQeAfDDiDoXllVRqmYE7Or8Pgg3bCkJ0jCSHZMs3UozI:NEWaUSR9DKFQe09o3Yxdo3JzI
TLSH T187F2E16459079D62DBFA4A3BEE38434943EE2B7CC0E4F0A52F14F6784081696F1B8767
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) :37'456 bytes
File size (de-compressed) :81'408 bytes
Format:linux/arm
Unpacked file: 81fcb882ab914cb3c3dbe2948f229f67311de0091650c9f3b2eb4f7240cbc908

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/17545022-8868-49b1-a5dd-9494b3354b79/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
94.156.152.233/bins
Number of open files:
82
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c0099201-0fa4-4123-9d53-1ca01cba92d4
Behavior Graph:
Download SVG
%3 guuid=bc912309-1a00-0000-8011-2740650c0000 pid=3173 /usr/bin/sudo guuid=f71a850c-1a00-0000-8011-27406a0c0000 pid=3178 /tmp/sample.bin guuid=bc912309-1a00-0000-8011-2740650c0000 pid=3173->guuid=f71a850c-1a00-0000-8011-27406a0c0000 pid=3178 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b0820f9b-3cdb-43c4-9946-ad39af0f76de
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1881566
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1881566 Sample: parm.elf Startdate: 11/03/2026 Architecture: LINUX Score: 64 19 169.254.169.254, 80 USDOSUS Reserved 2->19 21 94.156.152.233, 18129, 41972 NET1-ASBG Bulgaria 2->21 23 2 other IPs or domains 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 Yara detected Mirai 2->27 29 Sample is packed with UPX 2->29 8 parm.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 signatures5 31 Sample deletes itself 8->31 13 parm.elf 8->13         started        process6 process7 15 parm.elf 13->15         started        17 parm.elf 13->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c/
Threat name:
Linux.Backdoor.Bushido
Create hunting rule
Status:
Malicious
First seen:
2026-03-11 01:07:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kofxtduc2h7kdigydtyv77jryxlobazezl2phmksnueq6o6u4rwa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260311-bgrnksby8z/
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/538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c

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: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

sh fc8f2d1594b27eb9610ab0402c6f146498727d923d74045d385819bc049318d7

Mirai

elf 538b798e82d1fea1a0d81cf15ffd31c5d6e08324caf4f3b1526d090f3bd4e46c

(this sample)

Mirai

elf 81fcb882ab914cb3c3dbe2948f229f67311de0091650c9f3b2eb4f7240cbc908

  
URLhaus
https://urlhaus.abuse.ch/url/3793895/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 81fcb882ab914cb3c3dbe2948f229f67311de0091650c9f3b2eb4f7240cbc908
  
Dropping
MD5 d2a9e7f20fd461a28ab2d4a9443493e0
  
Dropped by
SHA256 fc8f2d1594b27eb9610ab0402c6f146498727d923d74045d385819bc049318d7
  
Dropped by
MD5 6b9bd6505fad54698ea43c211e66fb98
  
URLhaus
https://urlhaus.abuse.ch/url/3793909/
  
Dropped by
SHA256 773a86c12f68e296e0ff5463982a59f9c0b935e7c852e796519321c7e948673a
  
Dropped by
MD5 6a235f4926a349d3a163e9be89a4f93c
  
URLhaus
https://urlhaus.abuse.ch/url/3794368/

Comments