MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21c1de790cc8a0fa8f69a5e409acc505983baadc856a5a7cdc802914a9ac0013. 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: 21c1de790cc8a0fa8f69a5e409acc505983baadc856a5a7cdc802914a9ac0013
SHA3-384 hash: 249cb80f51e71fcde9dff83ac3dffed22b9f459a9a64735efbac3ae8a43d36b08af3de6225d43d81edf53cb4bdc670e6
SHA1 hash: 733f33e3f5499ebd14b313b843408ff91efe2797
MD5 hash: 96ac4daf375506971b8bdc5c39f3eff1
humanhash: tango-seven-burger-lemon
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:46'144 bytes
First seen:2026-08-19 08:04:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:B+ivmqOe04yeeOQvdY1fu1RtKJsa1DjOpeEfYAC9D0DULiQ737G5Hwt9SqpmX2Xm:B+ivsXeXuY12nsj1DjOho9cULiQkHwBK
TLSH T1C023F11889DC47ACF05ED4364AFFBD4E65D1C164021AADA891CD7D067C89EA20F78BB3
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) :46'144 bytes
File size (de-compressed) :93'232 bytes
Format:linux/i386
Unpacked file: e300dd848f7fbfbb903fb6ad9074d4abb3141dc1be534307ee9628b7a865bf95

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/71a69ce2-1959-41e1-8c87-5b4a1379cfbd/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sends data to a server
Receives data from a server
Runs as daemon
Connection attempt
Kills processes
Opens a port
Locks files
Collects information on the CPU
Deletes a file
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite dropper mirai packed upx
Link:
https://www.filescan.io/uploads/6a8563d564bf28fca3da87e0/reports/833f5dda-4833-424c-a45c-cd43c8c8ae42/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6510c330-7ecb-4043-9654-6c7065fadc18
Behavior Graph:
Download SVG
%3 guuid=0f99f206-1700-0000-ec93-6b594e0d0000 pid=3406 /usr/bin/sudo guuid=ca5aeb09-1700-0000-ec93-6b59510d0000 pid=3409 /tmp/sample.bin delete-file net guuid=0f99f206-1700-0000-ec93-6b594e0d0000 pid=3406->guuid=ca5aeb09-1700-0000-ec93-6b59510d0000 pid=3409 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=ca5aeb09-1700-0000-ec93-6b59510d0000 pid=3409->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=72ba770b-1700-0000-ec93-6b59550d0000 pid=3413 /tmp/sample.bin net send-data write-file zombie guuid=ca5aeb09-1700-0000-ec93-6b59510d0000 pid=3409->guuid=72ba770b-1700-0000-ec93-6b59550d0000 pid=3413 clone guuid=72ba770b-1700-0000-ec93-6b59550d0000 pid=3413->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 98833c20-4388-54c9-999a-877fce4dd713 31.77.227.121:18129 guuid=72ba770b-1700-0000-ec93-6b59550d0000 pid=3413->98833c20-4388-54c9-999a-877fce4dd713 send: 23B guuid=321d920b-1700-0000-ec93-6b59560d0000 pid=3414 /tmp/sample.bin write-file guuid=72ba770b-1700-0000-ec93-6b59550d0000 pid=3413->guuid=321d920b-1700-0000-ec93-6b59560d0000 pid=3414 clone guuid=b300960b-1700-0000-ec93-6b59570d0000 pid=3415 /tmp/sample.bin write-file guuid=72ba770b-1700-0000-ec93-6b59550d0000 pid=3413->guuid=b300960b-1700-0000-ec93-6b59570d0000 pid=3415 clone guuid=606b990b-1700-0000-ec93-6b59580d0000 pid=3416 /tmp/sample.bin write-file guuid=72ba770b-1700-0000-ec93-6b59550d0000 pid=3413->guuid=606b990b-1700-0000-ec93-6b59580d0000 pid=3416 clone guuid=a783ee13-1700-0000-ec93-6b59660d0000 pid=3430 /tmp/sample.bin write-file guuid=72ba770b-1700-0000-ec93-6b59550d0000 pid=3413->guuid=a783ee13-1700-0000-ec93-6b59660d0000 pid=3430 clone guuid=9521fd13-1700-0000-ec93-6b59670d0000 pid=3431 /tmp/sample.bin delete-file guuid=72ba770b-1700-0000-ec93-6b59550d0000 pid=3413->guuid=9521fd13-1700-0000-ec93-6b59670d0000 pid=3431 clone guuid=3cb60214-1700-0000-ec93-6b59680d0000 pid=3432 /tmp/sample.bin net net-scan send-data guuid=72ba770b-1700-0000-ec93-6b59550d0000 pid=3413->guuid=3cb60214-1700-0000-ec93-6b59680d0000 pid=3432 clone guuid=3cb60214-1700-0000-ec93-6b59680d0000 pid=3432|network network activity to 161 IP addresses review logs to see them all guuid=3cb60214-1700-0000-ec93-6b59680d0000 pid=3432->guuid=3cb60214-1700-0000-ec93-6b59680d0000 pid=3432|network network
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9da69cc0-e255-436d-99f0-401931a47182
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21c1de790cc8a0fa8f69a5e409acc505983baadc856a5a7cdc802914a9ac0013
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/21c1de790cc8a0fa8f69a5e409acc505983baadc856a5a7cdc802914a9ac0013/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-19 08:05:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eha546imzcqpvd3juxsatlgfawmdxkw4qvvfu7g4qaurjknmaajq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai antivm botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260819-jy6sts1zgv/
Behaviour
Reads runtime system information
Writes file to shm directory
Changes its process name
Checks CPU configuration
Checks hardware identifiers (DMI)
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Family: Mirai
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/21c1de790cc8a0fa8f69a5e409acc505983baadc856a5a7cdc802914a9ac0013

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 21c1de790cc8a0fa8f69a5e409acc505983baadc856a5a7cdc802914a9ac0013

(this sample)

Mirai

elf e300dd848f7fbfbb903fb6ad9074d4abb3141dc1be534307ee9628b7a865bf95

  
URLhaus
https://urlhaus.abuse.ch/url/3902576/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 e300dd848f7fbfbb903fb6ad9074d4abb3141dc1be534307ee9628b7a865bf95
  
Dropping
MD5 c28779a64299dd3c7e110d421269f294
  
URLhaus
https://urlhaus.abuse.ch/url/3902562/

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