MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5a8a91de05df47a3252a5e139a9722873ed257650918178f7ccfb81fdcbd361. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5a8a91de05df47a3252a5e139a9722873ed257650918178f7ccfb81fdcbd361
SHA3-384 hash: afee05499707a64746f687627fceed3dc2d5871465217b8dc0769f11cae95260aa2a60b6f779453637e15561380b5cf0
SHA1 hash: 9232c939705d9f1b0ab30b194b3518a4214785c2
MD5 hash: feb8eb0bb87245b7dbf1da4800f541f6
humanhash: mike-video-william-sierra
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:179'560 bytes
First seen:2025-11-24 09:57:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:F3f8rfjcM0Df7OhH9rNhAjPUWxX4DWC0rjZlECpBP:F3V7grzcZnHZlECpBP
TLSH T1CC046C95F783E2F2E8160D345027BB364E72D13A623ACA42E3FDDA35D811A41C52B6DD
telfhash t1a06118f6feba1dec63c09900c7ca2b21de1ea27b24a131f505e715d432b764160b9c79
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c078d09ea4f76c0a23c4f95d2f2870195135cde9e194380a09fed60c0e5f77e3
File size (compressed) :66'268 bytes
File size (de-compressed) :179'560 bytes
Format:linux/i386
Packed file: c078d09ea4f76c0a23c4f95d2f2870195135cde9e194380a09fed60c0e5f77e3

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

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

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7135909-0
Create hunting rule

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

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

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

Unix.Dropper.Mirai-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136017-0
Create hunting rule

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

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

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

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

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

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Packed.Botnet-6566031-0
Create hunting rule

Unix.Dropper.Botnet-6566040-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Opens a port
Changes access rights for a written file
Launching a process
Changes access rights for a file
Sets a written file as executable
Creating a file
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Link:
https://www.filescan.io/uploads/69242c3ddeea95d50b252ce9/reports/7ce3e52e-deb8-4fab-a039-ffac58aeffbf/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-24T08:12:00Z UTC
Last seen:
2025-11-24T09:52:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a5a8a91de05df47a3252a5e139a9722873ed257650918178f7ccfb81fdcbd361/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9e20611d-0706-4eae-bc58-25e4b760e682
Behavior Graph:
Download SVG
%3 guuid=63c7493b-1900-0000-a522-b6061e0c0000 pid=3102 /usr/bin/sudo guuid=79cfe63c-1900-0000-a522-b606230c0000 pid=3107 /tmp/sample.bin net write-config write-file guuid=63c7493b-1900-0000-a522-b6061e0c0000 pid=3102->guuid=79cfe63c-1900-0000-a522-b606230c0000 pid=3107 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=79cfe63c-1900-0000-a522-b606230c0000 pid=3107->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=03a9997a-1900-0000-a522-b6067d0c0000 pid=3197 /usr/bin/dash guuid=79cfe63c-1900-0000-a522-b606230c0000 pid=3107->guuid=03a9997a-1900-0000-a522-b6067d0c0000 pid=3197 execve guuid=3e71157b-1900-0000-a522-b6067f0c0000 pid=3199 /usr/bin/dash guuid=79cfe63c-1900-0000-a522-b606230c0000 pid=3107->guuid=3e71157b-1900-0000-a522-b6067f0c0000 pid=3199 execve guuid=cd84597b-1900-0000-a522-b606800c0000 pid=3200 /tmp/sample.bin guuid=79cfe63c-1900-0000-a522-b606230c0000 pid=3107->guuid=cd84597b-1900-0000-a522-b606800c0000 pid=3200 clone guuid=1554617b-1900-0000-a522-b606810c0000 pid=3201 /tmp/sample.bin guuid=79cfe63c-1900-0000-a522-b606230c0000 pid=3107->guuid=1554617b-1900-0000-a522-b606810c0000 pid=3201 clone guuid=a2b91e7c-1900-0000-a522-b606830c0000 pid=3203 /tmp/sample.bin guuid=cd84597b-1900-0000-a522-b606800c0000 pid=3200->guuid=a2b91e7c-1900-0000-a522-b606830c0000 pid=3203 clone guuid=23b1d67c-1900-0000-a522-b606850c0000 pid=3205 /tmp/sample.bin guuid=1554617b-1900-0000-a522-b606810c0000 pid=3201->guuid=23b1d67c-1900-0000-a522-b606850c0000 pid=3205 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb09efe9-ddc9-4254-b49d-9571676665a1
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1819867
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819867 Sample: debug.elf Startdate: 24/11/2025 Architecture: LINUX Score: 100 33 54.171.230.55, 443, 60056 AMAZON-02US United States 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for dropped file 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 3 other signatures 2->41 8 debug.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 file5 31 /usr/local/bin/infinitd, ELF 8->31 dropped 15 debug.elf sh 8->15         started        17 debug.elf sh 8->17         started        19 debug.elf 8->19         started        21 debug.elf 8->21         started        process6 process7 23 sh 15->23         started        25 sh 17->25         started        27 debug.elf 19->27         started        29 debug.elf 21->29         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a5a8a91de05df47a3252a5e139a9722873ed257650918178f7ccfb81fdcbd361
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a5a8a91de05df47a3252a5e139a9722873ed257650918178f7ccfb81fdcbd361/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-11-24 09:58:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwukshpalx2humssuxqttklsfbz62jlwkciyc6hxzt5yd7ol2nqq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery linux persistence privilege_escalation
Link:
https://tria.ge/reports/251124-lzndzsdm2t/
Behaviour
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/667bf560-3750-4c11-8fae-32cd9ac6b1fc
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.09
Link:
https://yomi.yoroi.company/submissions/a5a8a91de05df47a3252a5e139a9722873ed257650918178f7ccfb81fdcbd361

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
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
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:iot_req_metachar
Create hunting rule
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_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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 c078d09ea4f76c0a23c4f95d2f2870195135cde9e194380a09fed60c0e5f77e3

Mirai

elf a5a8a91de05df47a3252a5e139a9722873ed257650918178f7ccfb81fdcbd361

(this sample)

  
Dropped by
SHA256 c078d09ea4f76c0a23c4f95d2f2870195135cde9e194380a09fed60c0e5f77e3
  
URLhaus
https://urlhaus.abuse.ch/url/3702561/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 b1b51a9c54c5c7146835516610e64670
  
URLhaus
https://urlhaus.abuse.ch/url/3697766/
  
URLhaus
https://urlhaus.abuse.ch/url/3714486/

Comments