MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66d778753e7bdae0b367b54a67360bf2aa0637231ac92de6cbbd4102287c07b1. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66d778753e7bdae0b367b54a67360bf2aa0637231ac92de6cbbd4102287c07b1
SHA3-384 hash: af447dd2f5d8b4f0677e3b612c305bbf76d514e08507006f826288e923390acce8446cef606eba863888a05960b19d15
SHA1 hash: 5e1c7ef9fd1edb50252a1651956843ab2031c806
MD5 hash: fdbb07ae6fe8c607aeb62b1141f40693
humanhash: seventeen-march-nuts-sweet
File name:Orbt.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:58'656 bytes
First seen:2025-10-20 23:09:22 UTC
Last seen:2025-10-21 06:24:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:c1DASvxYQYrTYvS6Bt24BvYfgw6zfBgGtfDXqnouy8HyJ:clAeYNTYvS6/2GS9mBgGt+outC
TLSH T11E430213C87F9E00DA96933A1EEF353F1C44BAE6D508DA877BDA316F9C116141934AD2
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
60
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed upx
Link:
https://www.filescan.io/uploads/68f6c1343a79800405ed2330/reports/21847fdf-192a-4b85-af75-9bc021968c04/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-20T19:45:00Z UTC
Last seen:
2025-10-20T22:35:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/66d778753e7bdae0b367b54a67360bf2aa0637231ac92de6cbbd4102287c07b1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6e6e3569-41b3-44b0-a7cd-4d01df13baab
Behavior Graph:
Download SVG
%3 guuid=dd967c05-1800-0000-96d9-48d283070000 pid=1923 /usr/bin/sudo guuid=0c849d07-1800-0000-96d9-48d288070000 pid=1928 /tmp/sample.bin net guuid=dd967c05-1800-0000-96d9-48d283070000 pid=1923->guuid=0c849d07-1800-0000-96d9-48d288070000 pid=1928 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=0c849d07-1800-0000-96d9-48d288070000 pid=1928->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=ac6b8408-1800-0000-96d9-48d28a070000 pid=1930 /tmp/sample.bin guuid=0c849d07-1800-0000-96d9-48d288070000 pid=1928->guuid=ac6b8408-1800-0000-96d9-48d28a070000 pid=1930 clone guuid=7030bd34-1900-0000-96d9-48d268090000 pid=2408 /tmp/sample.bin guuid=0c849d07-1800-0000-96d9-48d288070000 pid=1928->guuid=7030bd34-1900-0000-96d9-48d268090000 pid=2408 clone guuid=2076c734-1900-0000-96d9-48d269090000 pid=2409 /tmp/sample.bin net send-data zombie guuid=0c849d07-1800-0000-96d9-48d288070000 pid=1928->guuid=2076c734-1900-0000-96d9-48d269090000 pid=2409 clone guuid=8e7c8f08-1800-0000-96d9-48d28b070000 pid=1931 /tmp/sample.bin guuid=ac6b8408-1800-0000-96d9-48d28a070000 pid=1930->guuid=8e7c8f08-1800-0000-96d9-48d28b070000 pid=1931 clone guuid=17f89508-1800-0000-96d9-48d28c070000 pid=1932 /tmp/sample.bin dns net send-data zombie guuid=ac6b8408-1800-0000-96d9-48d28a070000 pid=1930->guuid=17f89508-1800-0000-96d9-48d28c070000 pid=1932 clone guuid=17f89508-1800-0000-96d9-48d28c070000 pid=1932->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 45B 0ecf02bb-0e2c-5ebd-8166-f09908e50581 mirailoversddos.duckdns.org:69 guuid=17f89508-1800-0000-96d9-48d28c070000 pid=1932->0ecf02bb-0e2c-5ebd-8166-f09908e50581 send: 10B guuid=2076c734-1900-0000-96d9-48d269090000 pid=2409->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1380B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=2076c734-1900-0000-96d9-48d269090000 pid=2409->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5cf7865c-ac5a-4bcd-8920-969242dba608
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1798737
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798737 Sample: Orbt.x86.elf Startdate: 21/10/2025 Architecture: LINUX Score: 64 26 mirailoversddos.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 4 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Sample is packed with UPX 2->36 8 Orbt.x86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 Orbt.x86.elf 8->16         started        18 Orbt.x86.elf 8->18         started        20 Orbt.x86.elf 8->20         started        process6 22 Orbt.x86.elf 16->22         started        24 Orbt.x86.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/66d778753e7bdae0b367b54a67360bf2aa0637231ac92de6cbbd4102287c07b1
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66d778753e7bdae0b367b54a67360bf2aa0637231ac92de6cbbd4102287c07b1/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-20 23:10:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3lxq5j6ppnobm3hwvfgonql6kvamnzddles3zwlxvaqekd4a6yq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251020-25csfayrdj/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/66d778753e7bdae0b367b54a67360bf2aa0637231ac92de6cbbd4102287c07b1

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: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 66d778753e7bdae0b367b54a67360bf2aa0637231ac92de6cbbd4102287c07b1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3682108/
  
Delivery method
Distributed via web download

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