MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc20dc48a3bbd0ae4736e127f4af8ebe93991a553c60a3b13146bfe1923c9552. 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 2 File information Comments

SHA256 hash: fc20dc48a3bbd0ae4736e127f4af8ebe93991a553c60a3b13146bfe1923c9552
SHA3-384 hash: 4e5dcb4cd3d4618f76b5f636cc39d0a18cb682d87b7c48ec20f2720115e86573d768abf0d33684fc00a07b7469f42d59
SHA1 hash: 94ca8216d61c006f2b664bdad01cd6c56f22b42c
MD5 hash: 4227efa1f56f9fc356d05a680d9e9ba3
humanhash: cup-tennis-asparagus-equal
File name:shadow.m68k
Download: download sample
Signature Mirai
File size:67'772 bytes
First seen:2025-12-21 12:38:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:tyx3UqzT5TKgXRbFii1Avuwc8gc9ZiKMX8DZ:tK3Uq/tK6aS2xtZil6
TLSH T11363F591B442CC7CFA4FE679C565051ABA2CB35091530F6F527BFCA3AC321681E6BC92
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
56
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-21T09:53:00Z UTC
Last seen:
2025-12-21T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ge
Status:
terminated
Behavior Graph:
%3 guuid=2e7dd8b2-1a00-0000-2d52-9017ac090000 pid=2476 /usr/bin/sudo guuid=f7f558b5-1a00-0000-2d52-9017b3090000 pid=2483 /tmp/sample.bin guuid=2e7dd8b2-1a00-0000-2d52-9017ac090000 pid=2476->guuid=f7f558b5-1a00-0000-2d52-9017b3090000 pid=2483 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Signature
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837003 Sample: shadow.m68k.elf Startdate: 21/12/2025 Architecture: LINUX Score: 56 22 kurol.io 2->22 24 81.88.18.108, 34708, 6767 LEVEL3US Germany 2->24 26 4 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 9 shadow.m68k.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 30 Performs DNS TXT record lookups 22->30 process4 signatures5 32 Sample deletes itself 9->32 16 shadow.m68k.elf 9->16         started        process6 process7 18 shadow.m68k.elf 16->18         started        process8 20 shadow.m68k.elf 18->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-21 12:39:42 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux upx
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 fc20dc48a3bbd0ae4736e127f4af8ebe93991a553c60a3b13146bfe1923c9552

(this sample)

  
Delivery method
Distributed via web download

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