MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77641b52663a2ef7d810841b3be1f759906aeeee79bb65745a7e3dac41c193ef. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77641b52663a2ef7d810841b3be1f759906aeeee79bb65745a7e3dac41c193ef
SHA3-384 hash: 615315e2ffcbe59963eeaae1c4541847f6c07693efc2431303835512046d8231d04af42d416d0665ffbe2ba8d3af82ff
SHA1 hash: b7f5fc451d7326c3bde25f7c796ff6c0a7cbda1a
MD5 hash: 299189b5eccf56a1c70402778516acea
humanhash: three-cat-cold-floor
File name:Space.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:34'904 bytes
First seen:2026-05-20 08:04:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:GCkGi0D/4BfI7dZhttp96q7yYC6s2Lge3SzKoEBfBRYhGndnbcuyD7UHQRjY:GBGbyq9ZL9MmAWfBdnouy8Hy8
TLSH T1C8F2F102167F878A806910F3DDEF379948ECD1155048C4E8CE94E9338875FBBE92A26E
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) :34'904 bytes
File size (de-compressed) :70'740 bytes
Format:linux/i386
Unpacked file: 0dc71c7abcb8761d55860923203f49c307d351b61558ec96bd6b6e207d7daba7

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/8a5e3f45-99b2-449d-88fa-7bfe6cbd1d8b/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Receives data from 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/6a0d6b66861ee596e6402140/reports/3e76c1e3-d93c-4acd-896f-104ff5e344df/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-09T16:00:00Z UTC
Last seen:
2026-05-20T04:10:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h
Link:
https://opentip.kaspersky.com/77641b52663a2ef7d810841b3be1f759906aeeee79bb65745a7e3dac41c193ef/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e1d2e7c4-f7f5-4dff-95d5-9791612fe880
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/77641b52663a2ef7d810841b3be1f759906aeeee79bb65745a7e3dac41c193ef
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77641b52663a2ef7d810841b3be1f759906aeeee79bb65745a7e3dac41c193ef/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/77641b52663a2ef7d810841b3be1f759906aeeee79bb65745a7e3dac41c193ef
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-09 19:08:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o5sbwutghixppwaqqqntxypxlgigv3xopg5wk5c2py62yqobspxq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260520-jzc7xac17n/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
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/77641b52663a2ef7d810841b3be1f759906aeeee79bb65745a7e3dac41c193ef

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 77641b52663a2ef7d810841b3be1f759906aeeee79bb65745a7e3dac41c193ef

(this sample)

Mirai

elf 0dc71c7abcb8761d55860923203f49c307d351b61558ec96bd6b6e207d7daba7

  
URLhaus
https://urlhaus.abuse.ch/url/3850454/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 0dc71c7abcb8761d55860923203f49c307d351b61558ec96bd6b6e207d7daba7
  
Dropping
MD5 2f42fec89a8489abd6c25fab0994c0b2

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