MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a87ffd52a8fc7e8cd645e5693e8123c5f1a46a6d91a98de98c40d2744e97ce7f. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a87ffd52a8fc7e8cd645e5693e8123c5f1a46a6d91a98de98c40d2744e97ce7f
SHA3-384 hash: 67f3077132fc7b25d0c9b5eb60b937821342040d56776823bcf56abe297a75420bbf56dc91cade62af9eba94546dac3b
SHA1 hash: f88ba60a51ab45cacceb646704de329ddf76257d
MD5 hash: a87870b88c6af2549b697f97310ea020
humanhash: thirteen-fish-autumn-alanine
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:40'292 bytes
First seen:2025-10-01 03:39:47 UTC
Last seen:2025-10-01 12:30:44 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:Z9t792kzPRB8mftKiDsxpeNThOormhw5j20nbcuyD7UtQRj4:Z97nvftKCNtNj20nouy8tyE
TLSH T1EA03F14C42BEC7019E1B617509EA9EDB461C10EEA15DACFDEEDCB05B4C886A9531C2D3
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 :
2
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Connection attempt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/68dca2bf74e5a289899b8184/reports/3016d643-5eae-4998-85c6-72c2866a5fdc/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
164
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a87ffd52a8fc7e8cd645e5693e8123c5f1a46a6d91a98de98c40d2744e97ce7f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-01T00:50:00Z UTC
Last seen:
2025-10-01T10:14:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/a87ffd52a8fc7e8cd645e5693e8123c5f1a46a6d91a98de98c40d2744e97ce7f/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92e1b430-5092-4856-ad42-3d2f8f094fed
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1787053
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1787053 Sample: debug.elf Startdate: 01/10/2025 Architecture: LINUX Score: 68 16 p2.dstat.digital 213.209.143.62, 12121, 60048 RAPIDNET-DEHaunstetterStr19DE Germany 2->16 18 daisy.ubuntu.com 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Sample is packed with UPX 2->24 7 debug.elf 2->7         started        9 python3.8 dpkg 2->9         started        signatures3 process4 process5 11 debug.elf 7->11         started        14 debug.elf 7->14         started        signatures6 26 Manipulation of devices in /dev 11->26 28 Deletes system log files 11->28
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a87ffd52a8fc7e8cd645e5693e8123c5f1a46a6d91a98de98c40d2744e97ce7f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a87ffd52a8fc7e8cd645e5693e8123c5f1a46a6d91a98de98c40d2744e97ce7f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a87ffd52a8fc7e8cd645e5693e8123c5f1a46a6d91a98de98c40d2744e97ce7f
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-01 03:40:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vb772uvi7r7izvsf4vut5ajdyxy2i2tnsguy32mmidjhituxzz7q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251001-d8l9aax1h1/
Behaviour
Reads runtime system information
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Mirai
Mirai family
Malware Config
C2 Extraction:
p2.dstat.digital
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a152d037-39a2-45ce-a512-4ee1aa9e3c22
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a87ffd52a8fc7e8cd645e5693e8123c5f1a46a6d91a98de98c40d2744e97ce7f

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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

elf a87ffd52a8fc7e8cd645e5693e8123c5f1a46a6d91a98de98c40d2744e97ce7f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3636094/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3636142/

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