MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40691214338b33bd46c9c480372b8ed71b00bf1227cfb8b63a9ec21808bb0902. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 40691214338b33bd46c9c480372b8ed71b00bf1227cfb8b63a9ec21808bb0902
SHA3-384 hash: 8f73d799edd8357307a5be5c024cf916036564a954159096021fc2cd87586c9fb1ccc149127c48e5657764f31832e0be
SHA1 hash: a7318fa6d6e1e680ccbdc3a9c81425eab51cc1a5
MD5 hash: 7ec3b82a74cb1c2111ecc3447fab1328
humanhash: bluebird-missouri-friend-single
File name:sora.arm7
Download: download sample
Signature Mirai
File size:60'576 bytes
First seen:2026-02-27 17:22:53 UTC
Last seen:2026-02-27 18:36:56 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Y0lj115MBmXjkYY1C+OE0oX/9LEGD0YLbte6LhA4TYO:Ysj11rYk+10ov9LEh0bV9AEt
TLSH T1E843029EC2146ED34FB4467E2AB14547F910A87D81CFFF3664804B866AA7188AB36319
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
File size (compressed) :60'576 bytes
File size (de-compressed) :158'993 bytes
Format:linux/arm
Unpacked file: d9a9e674d37fa2381f0eff49e9bc5ad9683b8bb122816663d1cdef14d358e033

Intelligence


File Origin
# of uploads :
2
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
3
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1876113 Sample: sora.arm7.elf Startdate: 27/02/2026 Architecture: LINUX Score: 52 17 45.83.207.211, 3778, 43946, 43948 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->17 19 Multi AV Scanner detection for submitted file 2->19 21 Sample is packed with UPX 2->21 7 sora.arm7.elf 2->7         started        signatures3 process4 process5 9 sora.arm7.elf 7->9         started        11 sora.arm7.elf 7->11         started        13 sora.arm7.elf 7->13         started        15 sora.arm7.elf 7->15         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-27 17:12:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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 40691214338b33bd46c9c480372b8ed71b00bf1227cfb8b63a9ec21808bb0902

(this sample)

  
Delivery method
Distributed via web download

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