MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 877b4b5b9ea540fb6a3fdee4e44d2b579c49277b3f4e28d5fadb5672f6841bb7. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 877b4b5b9ea540fb6a3fdee4e44d2b579c49277b3f4e28d5fadb5672f6841bb7
SHA3-384 hash: 214929775619002b23892762c1936d1c5acc96c6a81a57829ebf36e3e4224f90716ea294ab71b2c263346f197c36ceb5
SHA1 hash: 6687a3303e25ab2deaf08c3f2e3faa8bc1800fd8
MD5 hash: 5a0ace73e8c8806ee3665718f3323387
humanhash: juliet-robert-angel-tennessee
File name:sora.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:27'712 bytes
First seen:2025-07-31 05:02:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:Ms59WXUx5+bkbRaliVErjrL9VD9jPwrSaf5CwTvDyLTwfflrTHOBFR0j/y5ZCA+r:t5+Kcrb9VDJee2KTgdTHOBcK5ZCAy77F
TLSH T151C2E16260F6CE03C8F3837B6A3D59A622605435A35EED2D73A94BC933460D4657ACCB
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 :
30
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Runs as daemon
Sends data to a server
Connection attempt
Kills critical processes
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/688af91c13488cfd44e1d8d9/reports/153210d2-7b6f-4dee-8838-d749d0a2824f/overview
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
Full report:
https://elfdigest.com/brief/877b4b5b9ea540fb6a3fdee4e44d2b579c49277b3f4e28d5fadb5672f6841bb7
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 103.20.102.84:1312
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/562006be-e7af-4499-84be-b17de29286b1
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1747503
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1747503 Sample: sora.x86.elf Startdate: 31/07/2025 Architecture: LINUX Score: 68 44 66.219.32.200 ZCOLO-AUS01US United States 2->44 46 102.88.25.243 ZAINUGASUG Nigeria 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 Sample is packed with UPX 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       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/877b4b5b9ea540fb6a3fdee4e44d2b579c49277b3f4e28d5fadb5672f6841bb7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/877b4b5b9ea540fb6a3fdee4e44d2b579c49277b3f4e28d5fadb5672f6841bb7/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-31 05:03:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q55uww46uvapw2r733soitjlk6oesj33h5hcrvp23nlhf5uedo3q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/250731-fpvses1lt4/
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 (48107) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9955415-0
YARA:
n/a
Link:
https://app.threat.zone/submission/465046e6-66fe-4b21-bebe-31e3603f247a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/877b4b5b9ea540fb6a3fdee4e44d2b579c49277b3f4e28d5fadb5672f6841bb7

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

sh ef009b82dbcbdb95990b28020b92df8a8fe3c969c9ea956ee7ec990efbe79c71

Mirai

elf 877b4b5b9ea540fb6a3fdee4e44d2b579c49277b3f4e28d5fadb5672f6841bb7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3593197/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 ef009b82dbcbdb95990b28020b92df8a8fe3c969c9ea956ee7ec990efbe79c71
  
Dropped by
MD5 a206f30bd20ec7ba637b7a958f3c2227
  
URLhaus
https://urlhaus.abuse.ch/url/3593617/

Comments