MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdb28359836308f47baf8b6f8e892f36639d1dbe613a54de4122dd0150b9c70e. 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 3 File information Comments

SHA256 hash: fdb28359836308f47baf8b6f8e892f36639d1dbe613a54de4122dd0150b9c70e
SHA3-384 hash: 71af0c9e597233431da1f851da1f95c696eb3ecf97a1dc0049ad6035dfc36f0106e0d763808810044bf465e4f49c7552
SHA1 hash: 37219b93687fb5949a6102c386c5a4528f9ff37f
MD5 hash: 5d55562b3fe540972ad5c9b4f383860f
humanhash: michigan-cup-mirror-november
File name:sora.x86
Download: download sample
Signature Mirai
File size:27'704 bytes
First seen:2025-07-11 05:31:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:MRGW9WXUx5+bkbRaliVErjrL9VD9jPwrSaf56wapDyCTYHHJC8oytPFnAqV/LlPg:45+Kcrb9VDJeGFLTYTlPFnz/xeQpu
TLSH T135C2E19360F4CD06C863423B6E1F159B61286429134DEE1E373AEFEC62464B8A17ADC7
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 :
1
# of downloads :
17
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Receives data from a server
Connection attempt
Runs as daemon
Kills critical processes
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
4
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 89.42.88.254:1312
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1733337 Sample: sora.x86.elf Startdate: 11/07/2025 Architecture: LINUX Score: 80 44 41.188.184.87, 23 simbanet-tzTZ Tanzania United Republic of 2->44 46 92.218.66.44 VODANETInternationalIP-BackboneofVodafoneDE Germany 2->46 48 99 other IPs or domains 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected Mirai 2->54 56 2 other signatures 2->56 10 sora.x86.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 sora.x86.elf 10->14         started        16 sora.x86.elf 10->16         started        18 sora.x86.elf 10->18         started        process6 20 sora.x86.elf 14->20         started        22 sora.x86.elf 14->22         started        24 sora.x86.elf 16->24         started        26 sora.x86.elf 16->26         started        28 sora.x86.elf 16->28         started        process7 30 sora.x86.elf 20->30         started        32 sora.x86.elf 20->32         started        34 sora.x86.elf 20->34         started        36 sora.x86.elf 24->36         started        38 sora.x86.elf 24->38         started        process8 40 sora.x86.elf 30->40         started        42 sora.x86.elf 30->42         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-11 05:02:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux rootkit upx
Behaviour
Writes file to tmp directory
Loads a kernel module
Contacts a large (48564) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9955415-0
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf fdb28359836308f47baf8b6f8e892f36639d1dbe613a54de4122dd0150b9c70e

(this sample)

  
Delivery method
Distributed via web download

Comments