MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85522c0c606792d409f3dd9faf8f89d72378c6b31e6d04bd5e4ad7d9c96fccd6. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments
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SHA256 hash: 85522c0c606792d409f3dd9faf8f89d72378c6b31e6d04bd5e4ad7d9c96fccd6
SHA3-384 hash: 52a3f82aab0e9883e4fbfedba27b06bb94ef4cdb74fade2751c10cba05edb2faace9e860b6c1945abcf4b7b92a863359
SHA1 hash: 0afc65d6408e7fa9f949d8319b67345f33726b97
MD5 hash: 87a2745bb2724ddd441bfcd6f9baebfc
humanhash: queen-single-two-oranges
File name:katrina
Download: download sample
Signature Mirai
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File size:154'724 bytes
First seen:2025-09-21 08:50:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:rswRbJM7BXFvKnbanJV/4fOYvEO7yXZCmz1oKJPbmx/be8ZsuFD4+Mz:lFM711KoDQflv3yXLxoYbmx/be8ZsuF2
TLSH T1A8E32A93F900DFA6F00AD6B200D34A24B6B1EE664E531563B31739A7ED761D8243BF85
telfhash t1cf4166529d7887242ff79928acad87731212662353767f72af75c4cc54220b0e539d4f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
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Sanesecurity.Malware.30541.LC.UNOFFICIAL
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Unix.Trojan.Mirai-6981989-0
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Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Downloader.Mirai-7340346-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
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Unix.Trojan.Mirai-9940650-0
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Unix.Trojan.Mirai-10018298-0
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Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc obfuscated threat
Link:
https://www.filescan.io/uploads/68cfbc64dc1cad370d1e379e/reports/faac9c9e-b4b1-4dc6-9946-898633aa2286/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-21T06:41:00Z UTC
Last seen:
2025-09-21T06:41:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/85522c0c606792d409f3dd9faf8f89d72378c6b31e6d04bd5e4ad7d9c96fccd6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6265ac56-32d7-4272-84fd-fa70729f4ff7
Behavior Graph:
Download SVG
%3 guuid=442325be-1800-0000-f26d-c8bd9b0a0000 pid=2715 /usr/bin/sudo guuid=8667f8bf-1800-0000-f26d-c8bda20a0000 pid=2722 /tmp/sample.bin guuid=442325be-1800-0000-f26d-c8bd9b0a0000 pid=2715->guuid=8667f8bf-1800-0000-f26d-c8bda20a0000 pid=2722 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/57d273c1-72ae-4031-a725-5e71438e9f12
Result
Threat name:
Gafgyt
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Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1781442
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1781442 Sample: katrina.elf Startdate: 21/09/2025 Architecture: LINUX Score: 80 45 45.90.97.140, 65481 MEER-ASmeerfarbigGmbHCoKGDE Germany 2->45 47 45.90.97.173, 65481 MEER-ASmeerfarbigGmbHCoKGDE Germany 2->47 49 2 other IPs or domains 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Gafgyt 2->55 57 2 other signatures 2->57 9 katrina.elf 2->9         started        12 python3.8 dpkg 2->12         started        signatures3 process4 signatures5 59 Opens /proc/net/* files useful for finding connected devices and routers 9->59 14 katrina.elf 9->14         started        16 katrina.elf 9->16         started        18 katrina.elf 9->18         started        process6 process7 20 katrina.elf sh 14->20         started        22 katrina.elf sh 14->22         started        24 katrina.elf sh 14->24         started        28 29 other processes 14->28 26 katrina.elf 16->26         started        process8 30 sh killall 20->30         started        33 sh killall 22->33         started        35 sh killall 24->35         started        37 sh killall 28->37         started        39 sh killall 28->39         started        41 sh killall 28->41         started        43 26 other processes 28->43 signatures9 61 Terminates several processes with shell command 'killall' 30->61
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/85522c0c606792d409f3dd9faf8f89d72378c6b31e6d04bd5e4ad7d9c96fccd6
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/85522c0c606792d409f3dd9faf8f89d72378c6b31e6d04bd5e4ad7d9c96fccd6/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-21 08:51:27 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qvjcyddam6jnicpt3wp27d4j24rxrrvtdzwqjpk6jll5tslpztla._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/250921-krypbagn7y/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/339082df-90e8-4ea3-96e4-79c5ee388184
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/85522c0c606792d409f3dd9faf8f89d72378c6b31e6d04bd5e4ad7d9c96fccd6

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:ach_202503_elf_Mirai
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Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_plaintext_c2
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Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
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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:enterpriseapps2
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Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:generic_IG_stealer
Create hunting rule
Author:RE4rensics
Description:Detects stealers that interacts with IG endpoints after stealing IG cookies
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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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 85522c0c606792d409f3dd9faf8f89d72378c6b31e6d04bd5e4ad7d9c96fccd6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576539/
  
Delivery method
Distributed via web download

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