MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a254a3c08af9b7af32f260c4a90b9e137112e5774814ea4b26b71d0deda0626. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a254a3c08af9b7af32f260c4a90b9e137112e5774814ea4b26b71d0deda0626
SHA3-384 hash: 92e3d0479f84a8237341a6c95db6e265924717e7bf51cab338c2ca9971f90de5d01e273df800d25571cedab99867e8e3
SHA1 hash: c415f8e7d441a9ab065f397eaa1ea8cb032a649f
MD5 hash: 3ed5e50f6ce5fe0dcd68322e5cffde6a
humanhash: hotel-lactose-equal-helium
File name:Orbt.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:71'076 bytes
First seen:2025-10-22 06:01:00 UTC
Last seen:2025-10-22 10:50:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:VjX8fkc6aPwkZPD4DGlD6ERd5nPVG/XVzeNR0PiNTszAg:p836i9kS7pNG/deNRTg
TLSH T1DB6302317759DBBEFF0C00BA1ED01260B46A947B93955FE65088ABBC2D9E7807C177A0
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 :
50
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
condi gafgyt mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/68f873223a79800405f03640/reports/cbd6768c-3034-4e3f-a431-0430a9e9f0bd/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-21T16:36:00Z UTC
Last seen:
2025-10-22T03:42:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/4a254a3c08af9b7af32f260c4a90b9e137112e5774814ea4b26b71d0deda0626/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4c6a5745-8711-4f28-bc88-94fb5954be1b
Behavior Graph:
Download SVG
%3 guuid=0a22e296-1b00-0000-ad71-0ad8130b0000 pid=2835 /usr/bin/sudo guuid=00bba798-1b00-0000-ad71-0ad8180b0000 pid=2840 /tmp/sample.bin mprotect-exec net guuid=0a22e296-1b00-0000-ad71-0ad8130b0000 pid=2835->guuid=00bba798-1b00-0000-ad71-0ad8180b0000 pid=2840 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=00bba798-1b00-0000-ad71-0ad8180b0000 pid=2840->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=ff4aca99-1b00-0000-ad71-0ad8190b0000 pid=2841 /tmp/sample.bin guuid=00bba798-1b00-0000-ad71-0ad8180b0000 pid=2840->guuid=ff4aca99-1b00-0000-ad71-0ad8190b0000 pid=2841 clone guuid=220469c4-1c00-0000-ad71-0ad8770d0000 pid=3447 /tmp/sample.bin guuid=00bba798-1b00-0000-ad71-0ad8180b0000 pid=2840->guuid=220469c4-1c00-0000-ad71-0ad8770d0000 pid=3447 clone guuid=42b07cc4-1c00-0000-ad71-0ad8780d0000 pid=3448 /tmp/sample.bin net send-data zombie guuid=00bba798-1b00-0000-ad71-0ad8180b0000 pid=2840->guuid=42b07cc4-1c00-0000-ad71-0ad8780d0000 pid=3448 clone guuid=4c7ed999-1b00-0000-ad71-0ad81a0b0000 pid=2842 /tmp/sample.bin guuid=ff4aca99-1b00-0000-ad71-0ad8190b0000 pid=2841->guuid=4c7ed999-1b00-0000-ad71-0ad81a0b0000 pid=2842 clone guuid=29cfec99-1b00-0000-ad71-0ad81b0b0000 pid=2843 /tmp/sample.bin net send-data zombie guuid=ff4aca99-1b00-0000-ad71-0ad8190b0000 pid=2841->guuid=29cfec99-1b00-0000-ad71-0ad81b0b0000 pid=2843 clone guuid=29cfec99-1b00-0000-ad71-0ad81b0b0000 pid=2843->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1350B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=29cfec99-1b00-0000-ad71-0ad81b0b0000 pid=2843->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=42b07cc4-1c00-0000-ad71-0ad8780d0000 pid=3448->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1380B guuid=42b07cc4-1c00-0000-ad71-0ad8780d0000 pid=3448->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e389176-3ac9-4b2a-825b-629f46c2e762
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1799568
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1799568 Sample: Orbt.x86_64.elf Startdate: 22/10/2025 Architecture: LINUX Score: 76 26 mirailoversddos.duckdns.org. [malformed] 2->26 28 mirailoversddos.duckdns.org 2->28 30 6 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 Yara detected Gafgyt 2->36 38 Sample is packed with UPX 2->38 8 Orbt.x86_64.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 40 Sends malformed DNS queries 26->40 42 Uses dynamic DNS services 28->42 process4 process5 16 Orbt.x86_64.elf 8->16         started        18 Orbt.x86_64.elf 8->18         started        20 Orbt.x86_64.elf 8->20         started        process6 22 Orbt.x86_64.elf 16->22         started        24 Orbt.x86_64.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4a254a3c08af9b7af32f260c4a90b9e137112e5774814ea4b26b71d0deda0626
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a254a3c08af9b7af32f260c4a90b9e137112e5774814ea4b26b71d0deda0626/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4a254a3c08af9b7af32f260c4a90b9e137112e5774814ea4b26b71d0deda0626
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-21 22:44:24 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jisuupaiv6nxv4zpeygevefz4e3rclsxosau5jfsnny5bxw2ayta._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/251022-gqxtvaan8y/
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:
0.00
Link:
https://yomi.yoroi.company/submissions/4a254a3c08af9b7af32f260c4a90b9e137112e5774814ea4b26b71d0deda0626

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 4a254a3c08af9b7af32f260c4a90b9e137112e5774814ea4b26b71d0deda0626

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3682117/
  
Delivery method
Distributed via web download

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