MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af92404eba3e088c919b606fff507dd6676e5636d2daeb2d407efd9351a53196. 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 9 File information Comments
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SHA256 hash: af92404eba3e088c919b606fff507dd6676e5636d2daeb2d407efd9351a53196
SHA3-384 hash: e0ed9072f910529a675201a1907eb47d11de35d65996c5c1dffca11a32e351ba2a7491c6126367b0cbd6cdb756043376
SHA1 hash: 1f9a6cce2110f5b246a98566d0daae39333e5584
MD5 hash: aad68b9dc2395bee4c322f8b26026fda
humanhash: diet-alabama-oregon-alaska
File name:katrina
Download: download sample
Signature Mirai
Create hunting rule
File size:154'708 bytes
First seen:2025-09-22 09:44:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Bswh7ZM7BXVXAN7HbBnZxPYP+TvEt7yXZCmz1GK0Gomx/be8ZsuFD4+Mz:D1M7VOZtXAPSvyyXLxGuomx/be8ZsuF2
TLSH T164E32A93F900DFA6F00AD6B200D34A24B6B1EE664E531563B31739A7ED761D8243BF85
telfhash t1cf4166529d7887242ff79928acad87731212662353767f72af75c4cc54220b0e539d4f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
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
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Unix.Downloader.Mirai-7340346-0
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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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin obfuscated remote threat
Link:
https://www.filescan.io/uploads/68d11a9d73af424b47ea0719/reports/3b34fcfc-1d23-4e38-8396-14432ec6dde6/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-22T07:53:00Z UTC
Last seen:
2025-09-22T07:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/af92404eba3e088c919b606fff507dd6676e5636d2daeb2d407efd9351a53196/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5b0ee57a-1979-4671-8570-ab680baa5428
Behavior Graph:
Download SVG
%3 guuid=d6ae872d-1900-0000-ceb2-dc63640c0000 pid=3172 /usr/bin/sudo guuid=07503230-1900-0000-ceb2-dc63690c0000 pid=3177 /tmp/sample.bin guuid=d6ae872d-1900-0000-ceb2-dc63640c0000 pid=3172->guuid=07503230-1900-0000-ceb2-dc63690c0000 pid=3177 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/cb440abe-0ffd-4001-92f1-f57eedffb71f
Result
Threat name:
Gafgyt
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Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1781865
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: 1781865 Sample: katrina.elf Startdate: 22/09/2025 Architecture: LINUX Score: 80 45 45.90.97.173, 51204, 51206, 51208 MEER-ASmeerfarbigGmbHCoKGDE Germany 2->45 47 169.254.169.254, 80 USDOSUS Reserved 2->47 49 daisy.ubuntu.com 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 5 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 2 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/af92404eba3e088c919b606fff507dd6676e5636d2daeb2d407efd9351a53196
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/af92404eba3e088c919b606fff507dd6676e5636d2daeb2d407efd9351a53196/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-22 09:45:52 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v6jeatv2hyeizem3mbx76ud52ztw4vrw2lnowlkap36zgunfggla._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/250922-lqy45ahp6w/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f25dcc62-6ce0-40de-83d8-2f765f98c16e
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/af92404eba3e088c919b606fff507dd6676e5636d2daeb2d407efd9351a53196

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
Create hunting rule
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
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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 af92404eba3e088c919b606fff507dd6676e5636d2daeb2d407efd9351a53196

(this sample)

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

Comments