MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 158d88d787c4b0a5c2f53391f004e46a6701fa416f5ccce4682e0fe886523eb8. 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 8 File information Comments

SHA256 hash:	158d88d787c4b0a5c2f53391f004e46a6701fa416f5ccce4682e0fe886523eb8
SHA3-384 hash:	8409447e9bc7fa470a55711a782b81cbb62853bc819ce8bd0fcfc87c17703c202a2677b67b50caa2af39fedb33c077ff
SHA1 hash:	37bece70f48786384ffbb5ae623ad8787a9b1a96
MD5 hash:	f8540e02e895ad1eb14e9d4b03a72078
humanhash:	monkey-violet-single-whiskey
File name:	putita.mipsrouter
Download:	download sample
Signature	Mirai Create hunting rule
File size:	274'540 bytes
First seen:	2026-08-23 03:31:13 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-sharedlib
ssdeep	6144:4M0phW7zo38fuXOf9vR6m5HphvLp1Z5sgezctqKoFn:4M0TW7MOBLKXN
TLSH	T188444B5F7710CF35E329C93049B38E5667E5266227D28559E21CEE08BE6038D682FFE4
telfhash	t1f14100a04e3b9a06db89caec86fdeb2e781e55065659cf23ee30417d40510f9e259c4f
Magika	elf
Reporter	abuse_ch
Tags:	elf mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 52be31e1e23b50d75295e166972a8462d6278974a89db4de6187a2c8685dbba0

UPX unpacked

This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.

File size (compressed) :	112'660 bytes
File size (de-compressed) :	274'540 bytes
Format:	linux/mips
Packed file:	52be31e1e23b50d75295e166972a8462d6278974a89db4de6187a2c8685dbba0

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Unix.Dropper.Mirai-7135925-0

Unix.Trojan.Mirai-10058997-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Opens a port

Runs as daemon

Substitutes an application name

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

dropper gcc mirai

Link:

https://www.filescan.io/uploads/6a8a69b88ef319e24c59929e/reports/4e5abe84-27ef-4683-aef1-c74e130065ea/overview

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/3958e02b-f1f0-4ebe-9457-ebba95295501

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/eb2ae20e-cd53-4273-87ea-cdc2da1663f4

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/158d88d787c4b0a5c2f53391f004e46a6701fa416f5ccce4682e0fe886523eb8

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/158d88d787c4b0a5c2f53391f004e46a6701fa416f5ccce4682e0fe886523eb8/

Threat name:

Linux.Backdoor.Mirai

Status:

Malicious

First seen:

2026-08-23 03:32:12 UTC

File Type:

ELF32 Big (SO)

AV detection:

13 of 24 (54.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=cwgyrv4hysyklqxvgoi7abhenjtqd6sbn5omzzdifyh6rbssh24a._file

Result

Malware family:

n/a

Score:

4/10

Tags:

discovery

Link:

https://tria.ge/reports/260823-d3n6paxtbx/

Behaviour

System Network Configuration Discovery

Changes its process name

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/158d88d787c4b0a5c2f53391f004e46a6701fa416f5ccce4682e0fe886523eb8

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:	deepfield_potassium_mirai_variant Create hunting rule
Author:	Nokia Deepfield ERT
Description:	Detects Potassium Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper). Also known as Woof (internal) and Dichter (related variant with Dutch C2 domains, same key material).
Reference:	Internal analysis of sample 6ef4ce02; external: @deobfuscately

Rule name:	elf_arm_mips_ko_so Create hunting rule

Rule name:	ELF_IoT_Persistence_Hunt Create hunting rule
Author:	4r4
Description:	Hunts for ELF files with persistence and download capabilities

Rule name:	ELF_Mirai Create hunting rule
Author:	NDA0E
Description:	Detects multiple Mirai variants

Rule name:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

Rule name:	unixredflags3 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for UNIX red flags

Rule name:	woof_mirai_variant Create hunting rule
Author:	Nokia Deepfield ERT
Description:	Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:	Internal analysis of sample 6ef4ce02