MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f83f9621bd8b0e62a71359b184969f147b0046328455d84a8f20aa1a7ad0fae. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f83f9621bd8b0e62a71359b184969f147b0046328455d84a8f20aa1a7ad0fae
SHA3-384 hash: 4470efe2e6039b929f6719f1e10e94d3db617abc8d3537970d2e06142020fcfa4a7a5747054d83040c319e841703a7fe
SHA1 hash: b1e5baea45b5b97be5b326070614a3f3e6b231f8
MD5 hash: 1c9f5f30a45251d40609b16991b92bff
humanhash: twelve-eighteen-ceiling-harry
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:41'660 bytes
First seen:2025-10-22 22:04:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:/1vN4xLQwhaIc6MYAb1E73u70ewDcMJzZBnpb+CZ+wTerep2VIEnbcuyD7UHQRjr:/2aLd43CwDcMlZBpbfnTer/qEnouy8Hs
TLSH T15213F1279592F209CADF41BA20D1B1469614926E7E0DE0EA9FC890A92E19F006F6C3D9
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 :
49
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Traces processes
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/68f954f3c85c5c569732e709/reports/c2bcfd99-b9b7-4b51-be14-93d5b688e970/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-22T16:32:00Z UTC
Last seen:
2025-10-22T22:36:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/6f83f9621bd8b0e62a71359b184969f147b0046328455d84a8f20aa1a7ad0fae/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/77b5ee3e-3ed6-49c6-b365-8897cb6f1104
Behavior Graph:
Download SVG
%3 guuid=7a31d684-1800-0000-d4e5-14dbb30c0000 pid=3251 /usr/bin/sudo guuid=25e73987-1800-0000-d4e5-14dbb50c0000 pid=3253 /tmp/sample.bin net guuid=7a31d684-1800-0000-d4e5-14dbb30c0000 pid=3251->guuid=25e73987-1800-0000-d4e5-14dbb50c0000 pid=3253 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=25e73987-1800-0000-d4e5-14dbb50c0000 pid=3253->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2022d7a2-1800-0000-d4e5-14dbfc0c0000 pid=3324 /tmp/sample.bin zombie guuid=25e73987-1800-0000-d4e5-14dbb50c0000 pid=3253->guuid=2022d7a2-1800-0000-d4e5-14dbfc0c0000 pid=3324 clone guuid=b1c6dca2-1800-0000-d4e5-14dbfd0c0000 pid=3325 /tmp/sample.bin dns net send-data zombie guuid=25e73987-1800-0000-d4e5-14dbb50c0000 pid=3253->guuid=b1c6dca2-1800-0000-d4e5-14dbfd0c0000 pid=3325 clone guuid=b1c6dca2-1800-0000-d4e5-14dbfd0c0000 pid=3325->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 42B 92baddd7-8a81-534e-9407-4c1f931774f6 ahahahahahajs.unproxy.st:9772 guuid=b1c6dca2-1800-0000-d4e5-14dbfd0c0000 pid=3325->92baddd7-8a81-534e-9407-4c1f931774f6 send: 40B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/894f44aa-f2b1-4d1b-95af-9e6d34fcb3c0
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1800194
Signature
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1800194 Sample: x86_64.elf Startdate: 23/10/2025 Architecture: LINUX Score: 80 20 ahahahahahajs.unproxy.st 87.121.84.117, 40816, 9772 SKATTV-ASBG Bulgaria 2->20 22 34.243.160.129, 443 AMAZON-02US United States 2->22 24 34.254.182.186, 443, 44532 AMAZON-02US United States 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 2 other signatures 2->32 7 x86_64.elf 2->7         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 8 other processes 2->14 signatures3 process4 signatures5 34 Found strings related to Crypto-Mining 7->34 16 x86_64.elf 7->16         started        18 x86_64.elf 7->18         started        process6
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6f83f9621bd8b0e62a71359b184969f147b0046328455d84a8f20aa1a7ad0fae
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f83f9621bd8b0e62a71359b184969f147b0046328455d84a8f20aa1a7ad0fae/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-22 22:05:54 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n6b7syq33cyomktrgwnrqslj6fd3abddfbcv3bfi6ifkdj5nb6xa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux upx
Link:
https://tria.ge/reports/251022-1y9cdscr9t/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Traces itself
Mirai
Mirai family
Malware Config
C2 Extraction:
ahahahahahajs.unproxy.st
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/68c69190-be4d-41a3-9af3-a84db587ce8a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/6f83f9621bd8b0e62a71359b184969f147b0046328455d84a8f20aa1a7ad0fae

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: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 6f83f9621bd8b0e62a71359b184969f147b0046328455d84a8f20aa1a7ad0fae

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3683086/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3683088/

Comments