MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20cd4bced2749ad5f2dcfa13a970f90b10b6e0fc464ef6fb9270d6cf67f5ae22. 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

SHA256 hash: 20cd4bced2749ad5f2dcfa13a970f90b10b6e0fc464ef6fb9270d6cf67f5ae22
SHA3-384 hash: e44a423ab4338bf087e17faafaaa8251e157e8beba23e801cd3a6255db03e6bf8d977a032ad275e5108411650a001a93
SHA1 hash: 19f1c80afaca62ebb1b3f23108a872ad258cfbcd
MD5 hash: 11ba73aecd43164a634cf2f2b889e112
humanhash: maine-vermont-salami-uncle
File name:zero.armv4l
Download: download sample
Signature Mirai
File size:52'440 bytes
First seen:2026-06-21 03:24:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:ZfAeo4bZ52qY+/8DguYSpvtGcSqW8koPUBfWYwH4Edbos4slAOy2I4Aj7UN9cs3T:ZgY2qKVYSpm3oPgpwYEEuASI4EO9Zzd
TLSH T1BA33F12872EF8476C5FB183CE56F87CA32A763B8D5E87015C94D0664A09F5243AF9781
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) :52'440 bytes
File size (de-compressed) :149'868 bytes
Format:linux/arm
Unpacked file: 968be59bf773af0c34f9e815575f8901a885614275b7e23646dda19d13dee638

Intelligence


File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-21T01:39:00Z UTC
Last seen:
2026-06-21T08:05:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=6feab448-1900-0000-338d-042b710f0000 pid=3953 /usr/bin/sudo guuid=55e76f4a-1900-0000-338d-042b7a0f0000 pid=3962 /tmp/sample.bin guuid=6feab448-1900-0000-338d-042b710f0000 pid=3953->guuid=55e76f4a-1900-0000-338d-042b7a0f0000 pid=3962 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1931413 Sample: zero.armv4l.elf Startdate: 21/06/2026 Architecture: LINUX Score: 76 20 31.56.209.229, 1791, 51424 SWISSNET-ASUS Netherlands 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Yara detected Mirai 2->26 28 Sample is packed with UPX 2->28 8 zero.armv4l.elf 2->8         started        signatures3 process4 process5 10 zero.armv4l.elf 8->10         started        12 zero.armv4l.elf 8->12         started        14 zero.armv4l.elf 8->14         started        process6 16 zero.armv4l.elf 10->16         started        18 zero.armv4l.elf 10->18         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-21 12:05:22 UTC
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
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
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
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 20cd4bced2749ad5f2dcfa13a970f90b10b6e0fc464ef6fb9270d6cf67f5ae22

(this sample)

  
Delivery method
Distributed via web download

Comments