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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b07e15ed948c2c48795a3f94f0917da1a41ebd2124f971233738992c533c0d97. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b07e15ed948c2c48795a3f94f0917da1a41ebd2124f971233738992c533c0d97
SHA3-384 hash: 9f4075db6ee113e84b8c08b352998293359076408fa2317fc3172c073b2528fe9c9dbd47e554e5c1fca2a1d187aa1683
SHA1 hash: d687ff247878507225188ac18800ca832696254d
MD5 hash: 27a4ffc0f408c0ea0730bcc5b71cc077
humanhash: florida-double-oven-freddie
File name:katrina
Download: download sample
Signature Mirai
Create hunting rule
File size:97'044 bytes
First seen:2025-07-15 18:32:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:RMUKR7+yW+npf66LpE8X9MqQmElre7LuZDjTxRXkncpyt5hAaxX:RMUc+OpSCpzMPrGLCTwey/hxxX
TLSH T1E19339D7F900D9BEF4098B7744534A05BA30A3E20E921E6373236957FD7A1A91533ECA
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7640011-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Mirai-9910138-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated
Link:
https://www.filescan.io/uploads/68769ef18a7d628a81b09ac5/reports/f865c70f-a5a6-4acc-a247-44ac85149a35/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8309feca-7a35-4f73-8a23-dd15aff61033
Behavior Graph:
Download SVG
%3 guuid=69b04de0-1800-0000-71ab-abb8560a0000 pid=2646 /usr/bin/sudo guuid=4937fde2-1800-0000-71ab-abb8600a0000 pid=2656 /tmp/sample.bin guuid=69b04de0-1800-0000-71ab-abb8560a0000 pid=2646->guuid=4937fde2-1800-0000-71ab-abb8600a0000 pid=2656 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e9d62556-f3e5-4539-8448-f92b080147e8
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1737458
Signature
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1737458 Sample: katrina.elf Startdate: 15/07/2025 Architecture: LINUX Score: 52 36 209.49.132.32 XO-AS15US United States 2->36 38 206.145.231.101 WIKTELUS United States 2->38 40 99 other IPs or domains 2->40 42 Multi AV Scanner detection for submitted file 2->42 9 katrina.elf 2->9         started        signatures3 process4 process5 11 katrina.elf 9->11         started        process6 13 katrina.elf sh 11->13         started        15 katrina.elf sh 11->15         started        17 katrina.elf sh 11->17         started        19 59 other processes 11->19 process7 21 sh killall 13->21         started        24 sh killall 15->24         started        26 sh killall 17->26         started        28 sh killall 19->28         started        30 sh killall 19->30         started        32 sh killall 19->32         started        34 56 other processes 19->34 signatures8 44 Terminates several processes with shell command 'killall' 21->44
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b07e15ed948c2c48795a3f94f0917da1a41ebd2124f971233738992c533c0d97
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b07e15ed948c2c48795a3f94f0917da1a41ebd2124f971233738992c533c0d97/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-15 18:33:21 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wb7bl3murqweq6k2h6kpbel5ugsb5pjbet4xcizxhcmsyuz4bwlq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton linux
Link:
https://tria.ge/reports/250715-w68zdagk5t/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/66d2dca4-dd99-4037-a506-f4119db5100d
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/b07e15ed948c2c48795a3f94f0917da1a41ebd2124f971233738992c533c0d97

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_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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 b07e15ed948c2c48795a3f94f0917da1a41ebd2124f971233738992c533c0d97

(this sample)

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

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