MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acb91ba2160dfada317635290f6cd63c91066eac022ec1657c27e90acbb7adef. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: acb91ba2160dfada317635290f6cd63c91066eac022ec1657c27e90acbb7adef
SHA3-384 hash: 925ca96c83b5952090f6f3be0688abd08a8ac794f6de181e8bc7c8471d195c91ce0b110544f6ec84c7a93b74babc6e3b
SHA1 hash: 3a134ae507562b50816cd5e37de7da01f125f188
MD5 hash: b8cfa8b99b575124c14f7f5edb9060c1
humanhash: nebraska-spring-texas-massachusetts
File name:sora.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:90'896 bytes
First seen:2025-12-11 16:15:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:vLCKIYKgWwIF+5oYmApz0rBijLHbOzX55GXORFNRWiZzXYiLgEbme:OJYKgWwIF+mYrIrBccU+RFNsiZzXY0
TLSH T18B934B82FA8745F6C907093070A7F63FDA72E83A50B296ADEF5A9E35C6376014317247
telfhash t15f2178fa19350ce4bbd0b803f28e17721c1e7abb253076f205f3244536a2541927ec75
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 :
58
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
Link:
https://research.acce.ciphertechsolutions.com/results/bca8f7a2-4b71-4610-95b3-3d35f75d11b4/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30442.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Exploit-3.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7135980-0
Create hunting rule

Unix.Dropper.Mirai-7135987-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/693aee54cf690d27f3dcc1c7/reports/a377b092-d637-4144-9a43-8f07a1ac8539/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-11T14:02:00Z UTC
Last seen:
2025-12-11T15:26:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/acb91ba2160dfada317635290f6cd63c91066eac022ec1657c27e90acbb7adef/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/14b84dbf-927d-4a5a-901a-c6f0ed125801
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1831062
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1831062 Sample: sora.i686.elf Startdate: 11/12/2025 Architecture: LINUX Score: 100 24 77.233.132.0, 55555 YUG-LINK-ASRU United Kingdom 2->24 26 184.188.161.105 XT-NEWORLEANSUS United States 2->26 28 98 other IPs or domains 2->28 30 Suricata IDS alerts for network traffic 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 5 other signatures 2->36 8 sora.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 sora.i686.elf 8->14         started        process6 16 sora.i686.elf 14->16         started        18 sora.i686.elf 14->18         started        20 sora.i686.elf 14->20         started        22 8 other processes 14->22
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/acb91ba2160dfada317635290f6cd63c91066eac022ec1657c27e90acbb7adef
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/acb91ba2160dfada317635290f6cd63c91066eac022ec1657c27e90acbb7adef/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-11 16:16:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vs4rxiqwbx5numlwguuq63gwhsiqm3vmaixmczl4e7uqvs5xvxxq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251211-tqw9ja1ner/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (672989) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_3a85a418 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/28f7b0d8-96ba-4662-90c5-c3dc3d5b931d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/acb91ba2160dfada317635290f6cd63c91066eac022ec1657c27e90acbb7adef

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a85a418
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
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 acb91ba2160dfada317635290f6cd63c91066eac022ec1657c27e90acbb7adef

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3731664/
  
Delivery method
Distributed via web download

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