MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b48c3109d721d8af737653c097231b6f57142d6d2aa457247265e0df46c94fb. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: 7b48c3109d721d8af737653c097231b6f57142d6d2aa457247265e0df46c94fb
SHA3-384 hash: f7651ce6c2e43fcfc32f1088f7b1d86aebd6db73e2e80502314c8346f22356ec4193be7c884a1e3a0b95d99bfeb80da9
SHA1 hash: 7969dc106c8a0ca20b14329f855d78177fd6acff
MD5 hash: 88f5d2a7dffceb4baed66a5293e01511
humanhash: neptune-ink-hotel-sierra
File name:Orbt.sh4
Download: download sample
Signature Mirai
File size:159'972 bytes
First seen:2025-10-20 22:07:42 UTC
Last seen:2025-10-21 06:05:31 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:3HS8hUtzuWUJdIyoYcbDPK/wHRgiVW+5UtCRKhG:3HSGHvdIzbiE3g+ZKc
TLSH T174F38C23DC356E98D664C074B135BF796793956082872FFA19A7C2B58443ECCFA053B8
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 :
129
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
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
Status:
terminated
Behavior Graph:
%3 guuid=85943cac-1800-0000-274e-3b46e50d0000 pid=3557 /usr/bin/sudo guuid=e4db68ae-1800-0000-274e-3b46ed0d0000 pid=3565 /tmp/sample.bin guuid=85943cac-1800-0000-274e-3b46e50d0000 pid=3557->guuid=e4db68ae-1800-0000-274e-3b46ed0d0000 pid=3565 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798717 Sample: Orbt.sh4.elf Startdate: 21/10/2025 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       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-20 22:08:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 7b48c3109d721d8af737653c097231b6f57142d6d2aa457247265e0df46c94fb

(this sample)

  
Delivery method
Distributed via web download

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