MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27521c4e0452c798e790ce99c83c79e13ddcfab4833424e9fe8d3d83f42b6dbd. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27521c4e0452c798e790ce99c83c79e13ddcfab4833424e9fe8d3d83f42b6dbd
SHA3-384 hash: 85cf51f87a4ccffe12cea84381768754998bacc2a3b1cf9012c1a0d1b53ad12a43ec9bbbb3eebf08553fc6e9963c8be5
SHA1 hash: e788ff098aa88a9917d554425eee0a7b9ea334d5
MD5 hash: 9c749a399ecea3441a11e2ba755459d6
humanhash: cup-four-stream-seven
File name:sdfjgnjsdf.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:66'864 bytes
First seen:2026-08-11 02:08:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:iGV83BPRH53W190JNQpUIDfbZnn4NzISgNDVJuK:iueBZ1W1OJWJfRn4eLVQK
TLSH T17463027360464166DCE8E27C41A61BD17FBD2BB3174BB80FA1657C4B2DE6268329384E
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) :66'864 bytes
File size (de-compressed) :216'308 bytes
Format:linux/mips
Unpacked file: 020fd6b946c52e68ea21a1533d6ed5f9f3b50fc1d19eef0c1fd6e8c18802505b

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5c08fe21-b008-4073-b824-8343a8840422/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Runs as daemon
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6a7a845d394e23819e2ecadd/reports/f14304ce-c559-4de5-aede-0e969aa328ca/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-07-30T02:16:00Z UTC
Last seen:
2026-08-04T15:39:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/27521c4e0452c798e790ce99c83c79e13ddcfab4833424e9fe8d3d83f42b6dbd/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a06d28ea-166c-4877-8b97-e6024ee11eeb
Behavior Graph:
Download SVG
%3 guuid=bfc85372-1b00-0000-ce69-1ba9700a0000 pid=2672 /usr/bin/sudo guuid=0fba8e74-1b00-0000-ce69-1ba9770a0000 pid=2679 /tmp/sample.bin guuid=bfc85372-1b00-0000-ce69-1ba9700a0000 pid=2672->guuid=0fba8e74-1b00-0000-ce69-1ba9770a0000 pid=2679 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c6b3b500-f15d-4dc0-956c-b38b1636f59f
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/27521c4e0452c798e790ce99c83c79e13ddcfab4833424e9fe8d3d83f42b6dbd
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/27521c4e0452c798e790ce99c83c79e13ddcfab4833424e9fe8d3d83f42b6dbd/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Suspicious
First seen:
2026-07-30 15:16:38 UTC
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e5jbytqekldzrz4qz2m4qpdz4e65z6vuqm2cj2p6ru6yh5blnw6q._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260811-clfbsatare/
Please note that we are no longer able to provide a coverage score for Virus Total.

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 27521c4e0452c798e790ce99c83c79e13ddcfab4833424e9fe8d3d83f42b6dbd

(this sample)

Mirai

elf 020fd6b946c52e68ea21a1533d6ed5f9f3b50fc1d19eef0c1fd6e8c18802505b

  
URLhaus
https://urlhaus.abuse.ch/url/3899514/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 020fd6b946c52e68ea21a1533d6ed5f9f3b50fc1d19eef0c1fd6e8c18802505b
  
Dropping
MD5 97eb2afac624fd6d5106099a32a82f07

Comments