MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b25c3c740aead577c7c89894e80ee57c63d5acd78e62d789213fda023bfbaf3c. 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: 7

Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash:	b25c3c740aead577c7c89894e80ee57c63d5acd78e62d789213fda023bfbaf3c
SHA3-384 hash:	ee72c4ad03b661a8ce29e73c2c9042d8393fa82f03d8f9628c36470e08b2cfa60b407ee5dcad9c69f5951f3820bbc359
SHA1 hash:	1e150c526760ca4ab4a490b2cdf9abd3ca3aadb3
MD5 hash:	abdcc6b6768a43b65d95ac3344678938
humanhash:	two-london-magazine-muppet
File name:	nz.sh
Download:	download sample
Signature	Mirai Create hunting rule
File size:	1'323 bytes
First seen:	2026-07-17 23:50:08 UTC
Last seen:	2026-07-18 10:34:38 UTC
File type:	sh
MIME type:	text/x-shellscript
ssdeep	24:ItSTfsS3+3IhOESxW3SexASoZPsSwySxTnxTGFC:irNEJ3GQ4KTxTGFC
TLSH	T19A2162C7110503302EB6D9E6BBBB485970D0E1DE54C3BF6BA8D8B8E9828ED0C7C42653
TrID	70.0% (.SH) Linux/UNIX shell script (7000/1) 30.0% (.) Unix-like shebang (var.3) (gen) (3000/1)
Magika	shell
Reporter	abuse_ch
Tags:	mirai sh

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Sanesecurity.Malware.30790.LX.BOT.UNOFFICIAL

SecuriteInfo.com.Linux.Downloader-29.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

busybox downloader evasive

Link:

https://www.filescan.io/uploads/6a5abfdbc77ed1adb00d1bbf/reports/8cef9afa-4525-463e-935c-3f8187a3b6e3/overview

Verdict:

Malicious

File Type:

unix shell

First seen:

2026-07-17T15:54:00Z UTC

Last seen:

2026-07-17T16:51:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/b25c3c740aead577c7c89894e80ee57c63d5acd78e62d789213fda023bfbaf3c/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/be1043d9-b78a-4595-acd0-1954ce71b365

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/b25c3c740aead577c7c89894e80ee57c63d5acd78e62d789213fda023bfbaf3c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b25c3c740aead577c7c89894e80ee57c63d5acd78e62d789213fda023bfbaf3c/

Threat name:

Linux.Trojan.ShellLoader

Status:

Malicious

First seen:

2026-07-17 23:50:53 UTC

File Type:

Text (Shell)

AV detection:

20 of 36 (55.56%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wjody5ak5lkxpr6itckoqdxfprr5llgxrzrnpcjbh7naeo73v46a._file

Result

Malware family:

mirai

Score:

10/10

Tags:

family:mirai antivm botnet defense_evasion discovery linux

Link:

https://tria.ge/reports/260717-3v1xyshv8p/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Checks CPU configuration

Enumerates running processes

Writes file to system bin folder

File and Directory Permissions Modification

Modifies Watchdog functionality

Family: Mirai

Malware Config

C2 Extraction:

jkqhdbbbqwiujkaz.hopto.org

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.39

Link:

https://yomi.yoroi.company/submissions/b25c3c740aead577c7c89894e80ee57c63d5acd78e62d789213fda023bfbaf3c

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_202412_suspect_bash_script Create hunting rule
Author:	abuse.ch
Description:	Detects suspicious Linux bash scripts

Rule name:	MAL_Linux_IoT_MultiArch_BotnetLoader_Generic Create hunting rule
Author:	Anish Bogati
Description:	Technique-based detection of IoT/Linux botnet loader shell scripts downloading binaries from numeric IPs, chmodding, and executing multi-architecture payloads
Reference:	MalwareBazaar sample lilin.sh

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

sh b25c3c740aead577c7c89894e80ee57c63d5acd78e62d789213fda023bfbaf3c

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3887332/

Delivery method

Distributed via web download

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