MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 275dc7163b1f6e168e9ed7a1c07b31c38d361c955f920dbf2310676dd44f0ae0. 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 10 File information Comments

SHA256 hash: 275dc7163b1f6e168e9ed7a1c07b31c38d361c955f920dbf2310676dd44f0ae0
SHA3-384 hash: 807271235b404bf7602c6ed009a2ff24d98f835027b5b911e21258aabcfe15512d60ba08f762b4ca1e54903d69c9599e
SHA1 hash: 3b7f2a0eb41bb48c5ed6747766fc1b994a6873d3
MD5 hash: 3e2172e3a31563453a48bf6faab6d780
humanhash: winter-dakota-fourteen-fix
File name:sora.x86
Download: download sample
Signature Mirai
File size:59'984 bytes
First seen:2026-02-08 00:48:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:MOssuiundFq4ZthwLi/pXUfx0WbVGoPCdgZl7dbFfGx:xzuXndFq4ZthB/VUfOWhGoPKgj7dpOx
TLSH T130434AC4B183F9F1DC05017C306AEB326E33F0B6713AED9BD7E455B3A855606960AA9C
telfhash t1ae11e9fa1a7f18ecfbd8a180c29daf125d5ee13b15d133a45522a9292293c81517ecb8
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3a726119c127924e372f130e818e01c85e521e1f2a67fb22afbbddf7c29d71ef
File size (compressed) :27'704 bytes
File size (de-compressed) :59'984 bytes
Format:linux/i386
Packed file: 3a726119c127924e372f130e818e01c85e521e1f2a67fb22afbbddf7c29d71ef

Intelligence


File Origin
# of uploads :
1
# of downloads :
53
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-07T21:55:00Z UTC
Last seen:
2026-02-07T23:07:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1865413 Sample: sora.x86.elf Startdate: 08/02/2026 Architecture: LINUX Score: 72 48 207.238.251.76 XO-AS15US United States 2->48 50 133.131.180.2 XEPHIONNTT-MECorporationJP Japan 2->50 52 98 other IPs or domains 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Yara detected Mirai 2->60 10 sora.x86.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 process5 18 sora.x86.elf 10->18         started        20 sora.x86.elf 10->20         started        22 sora.x86.elf 10->22         started        process6 24 sora.x86.elf 18->24         started        26 sora.x86.elf 18->26         started        28 sora.x86.elf 20->28         started        30 sora.x86.elf 20->30         started        32 sora.x86.elf 20->32         started        process7 34 sora.x86.elf 24->34         started        36 sora.x86.elf 24->36         started        38 sora.x86.elf 24->38         started        40 sora.x86.elf 28->40         started        42 sora.x86.elf 28->42         started        process8 44 sora.x86.elf 34->44         started        46 sora.x86.elf 34->46         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-02-08 00:49:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (91534) amount of remote hosts
Creates a large amount of network flows
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 275dc7163b1f6e168e9ed7a1c07b31c38d361c955f920dbf2310676dd44f0ae0

(this sample)

  
Delivery method
Distributed via web download

Comments