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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21a58deb2557cb9cf07a673820239b0577be33f0bd0f2ddb7e61a0f16003e8dc. 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



Threat unknown


Vendor detections: 5


Intelligence 5 IOCs YARA 9 File information Comments

SHA256 hash: 21a58deb2557cb9cf07a673820239b0577be33f0bd0f2ddb7e61a0f16003e8dc
SHA3-384 hash: 7d7b97ff953f2bfbb5c0784d2785b0b00f7a966b2a30d913affb704f325a5174643333a9dca000d9a484c291d3e9c4d7
SHA1 hash: f28493a10125329ae6ca19e6f06159a3fda3cc43
MD5 hash: 919f8b4a7422782e39d453cb651f781b
humanhash: sink-fix-foxtrot-bluebird
File name:aarch64
Download: download sample
File size:1'958'336 bytes
First seen:2026-09-27 09:50:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:6mOw8jPA5JCjE75W3m2eZuVBIMlFn43CjbodOmczgsHqJDwmxUwmxr6:67w8j2NiBBIMlKFlsmDm96
TLSH T1D995BF84A54D3821F7C6F0BCCE4D89E1B16B79A44662C0673C12A35DE6B26F4CBB5F60
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 BlinkzSec

Intelligence


File Origin
# of uploads :
1
# of downloads :
56
Origin country :
CZ CZ
Vendor Threat Intelligence
No detections
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
custom
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=59bff3c8-1c00-0000-dd92-761e93080000 pid=2195 /usr/bin/sudo guuid=c8fee4cb-1c00-0000-dd92-761e98080000 pid=2200 /tmp/sample.bin guuid=59bff3c8-1c00-0000-dd92-761e93080000 pid=2195->guuid=c8fee4cb-1c00-0000-dd92-761e98080000 pid=2200 execve
Threat name:
Linux.Hacktool.Flooder
Status:
Malicious
First seen:
2026-09-27 09:44:11 UTC
File Type:
ELF64 Little (Exe)
AV detection:
3 of 36 (8.33%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:nix_rust_hunt
Rule name:ProgramLanguage_Rust
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Rustyloader_mem_loose
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

Web download

elf 21a58deb2557cb9cf07a673820239b0577be33f0bd0f2ddb7e61a0f16003e8dc

(this sample)

  
Delivery method
Distributed via web download

Comments