MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bba90491139ae223d5d2b73132a1e523190cc145c28593769d8089657a0948b. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
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SHA256 hash: 4bba90491139ae223d5d2b73132a1e523190cc145c28593769d8089657a0948b
SHA3-384 hash: 05543e24b1066f944d16068a400bd185cdb07746d3c3cbfa35fa8e86e67f9e9ce2e1381310a5759a68daeb161b0c6dbb
SHA1 hash: deebb9a6377761aaa2bec41960cb62615907a081
MD5 hash: fe621ecc5cfdacb10932bfc6129d3afe
humanhash: mirror-fourteen-india-sink
File name:Orbt.sh4
Download: download sample
Signature Mirai
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File size:172'548 bytes
First seen:2025-10-22 22:56:37 UTC
Last seen:2025-10-23 01:23:05 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:TrOLxd4iT1K+LBDEf7HBMcmWvugnftWLG8PwxOG:TrmtU0W7HBMurfYL5wxF
TLSH T176F38C32C8296FA8C66595B4F0B0EF7E2763956086431FBA19ABC7B58043DCCF9057B4
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
125
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
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SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Dropper.Mirai-7135909-0
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Unix.Trojan.Mirai-7135916-0
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Unix.Dropper.Mirai-7135918-0
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Unix.Dropper.Mirai-7135954-0
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Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
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Unix.Trojan.Mirai-7674518-0
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Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Generic-9910198-0
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Unix.Trojan.Generic-9910199-0
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Unix.Dropper.Mirai-10007027-0
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Unix.Trojan.Mirai-10009361-0
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Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/68f96132fd2d7e012f4c9c7f/reports/bd56a710-087e-425a-8ea7-55cc49f7b2d8/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-22T19:30:00Z UTC
Last seen:
2025-10-22T22:36:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4bba90491139ae223d5d2b73132a1e523190cc145c28593769d8089657a0948b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/293317bd-0621-4b94-8a05-3f8f7b59dcde
Behavior Graph:
Download SVG
%3 guuid=b24091e9-1900-0000-354d-a4c4770c0000 pid=3191 /usr/bin/sudo guuid=988b76eb-1900-0000-354d-a4c47c0c0000 pid=3196 /tmp/sample.bin guuid=b24091e9-1900-0000-354d-a4c4770c0000 pid=3191->guuid=988b76eb-1900-0000-354d-a4c47c0c0000 pid=3196 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6d1033f5-608e-46ba-84f9-7ebe33b38bbc
Result
Threat name:
Gafgyt
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Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1800213
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1800213 Sample: Orbt.sh4.elf Startdate: 23/10/2025 Architecture: LINUX Score: 68 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 4 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 8 Orbt.sh4.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 Orbt.sh4.elf 8->12         started        14 Orbt.sh4.elf 8->14         started        16 Orbt.sh4.elf 8->16         started        process6 18 Orbt.sh4.elf 12->18         started        20 Orbt.sh4.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4bba90491139ae223d5d2b73132a1e523190cc145c28593769d8089657a0948b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bba90491139ae223d5d2b73132a1e523190cc145c28593769d8089657a0948b/
Threat name:
Linux.Backdoor.Gafgyt
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Status:
Malicious
First seen:
2025-10-22 22:57:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jo5jasirhgxcepk5fnzrgkq6kiyzbtaulqufsn3j3aejmv5assfq._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251022-2w3x9sct3h/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/801df90b-485c-4dc6-8683-ab0e0cc0fffb
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/4bba90491139ae223d5d2b73132a1e523190cc145c28593769d8089657a0948b

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:ELF_Mirai
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Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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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

Mirai

elf 4bba90491139ae223d5d2b73132a1e523190cc145c28593769d8089657a0948b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3682130/
  
Delivery method
Distributed via web download

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