MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 619ad99705bb620bec41158679f4f25ca336299abdce72ba00fa9ae82327fb5d. 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 1 File information Comments

SHA256 hash: 619ad99705bb620bec41158679f4f25ca336299abdce72ba00fa9ae82327fb5d
SHA3-384 hash: 8c9151b62b1c6c67582602f13070a5e107bd205a664c541379354f84f6c83588b02408d34655d947947b7e53709811f7
SHA1 hash: 651599bfd195f05316cbca99880464dbf47482c5
MD5 hash: 9a0344646933516537ec645a3e87c231
humanhash: illinois-butter-nitrogen-colorado
File name:nabsh4
Download: download sample
Signature Mirai
File size:54'852 bytes
First seen:2026-01-18 14:11:11 UTC
Last seen:2026-01-19 00:10:09 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:XGQxcQqlZWUb/b7rRmNIZJjjpJjzDGDyLMPGgrtWRpoERMCt0ld7gSDaT2bVRl:WQtxUvvwCZJjjmxGAQMCtwZDaT2bVR
TLSH T17E338D66DE9A9D58D64C6AB035318B7A07539110A7C72EF395A9C7789003C8CF2AD3FC
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 :
101
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-18T12:01:00Z UTC
Last seen:
2026-01-18T12:34:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Gafgyt.go
Status:
terminated
Behavior Graph:
%3 guuid=83f2349c-1900-0000-a72c-af1f8a0c0000 pid=3210 /usr/bin/sudo guuid=3c12c69f-1900-0000-a72c-af1f8c0c0000 pid=3212 /tmp/sample.bin guuid=83f2349c-1900-0000-a72c-af1f8a0c0000 pid=3210->guuid=3c12c69f-1900-0000-a72c-af1f8c0c0000 pid=3212 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
52 / 100
Signature
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852803 Sample: nabsh4.elf Startdate: 18/01/2026 Architecture: LINUX Score: 52 16 myrepis.gd. [malformed] 2->16 18 216.156.15.126, 23 XO-AS15US United States 2->18 20 100 other IPs or domains 2->20 22 Yara detected Mirai 2->22 8 nabsh4.elf 2->8         started        signatures3 24 Sends malformed DNS queries 16->24 process4 process5 10 nabsh4.elf 8->10         started        process6 12 nabsh4.elf 10->12         started        14 nabsh4.elf 10->14         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-18 14:11:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
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: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 619ad99705bb620bec41158679f4f25ca336299abdce72ba00fa9ae82327fb5d

(this sample)

  
Delivery method
Distributed via web download

Comments