MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2100c8fcc7b5df1003975dfb9683fb3ca58a80ad69da46ad373ee6febc8103d7. 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 5 File information Comments

SHA256 hash:	2100c8fcc7b5df1003975dfb9683fb3ca58a80ad69da46ad373ee6febc8103d7
SHA3-384 hash:	ec6243cff2c9d037ea739cb2124d4610577682a76ee45ddef3318f0635fc3d0d9fb42ceddf3ed2c8b069397b3af55631
SHA1 hash:	c4ae8020fb8c8c3c16b02fd0a2a73b57b327fcc9
MD5 hash:	df781299b8254d758eed23b66c8e7dd0
humanhash:	oscar-timing-harry-wisconsin
File name:	sarm64
Download:	download sample
Signature	Mirai Create hunting rule
File size:	273'488 bytes
First seen:	2026-10-07 16:55:27 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	6144:MPcXv9yd3+CbYn4SfjdBDLGi/2xRqBC8A06Yo:MCv4F384OhBPF2WC8A063
TLSH	T1EB4423E2384B58D5C19EA1B8417FAF77A7296009FB056938126C8BC650C824EA27F07F
TrID	50.1% (.) ELF Executable and Linkable format (Linux) (4022/12) 49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika	elf
Reporter	abuse_ch
Tags:	elf UPX

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	273'488 bytes
File size (de-compressed) :	795'064 bytes
Format:	linux/arm64
Unpacked file:	6723bc48fd7ea32e7f2fa5fa66e38594f5f0ad7fae27a1cc8b4d4c31271b11a5

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/de458d3d-e4c5-4012-a45f-887a19edc524/

Result

Verdict:

Clean

Maliciousness:

Behaviour

Receives data from a server

Runs as daemon

Connection attempt

Sends data to a server

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/6ac679abe23985e3f7b78ded/reports/1da32345-3f72-4362-acf1-da7a18f5a5fa/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

Packer:

UPX

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/2100c8fcc7b5df1003975dfb9683fb3ca58a80ad69da46ad373ee6febc8103d7

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Unknown

File Type:

elf.64.le

Link:

https://opentip.kaspersky.com/2100c8fcc7b5df1003975dfb9683fb3ca58a80ad69da46ad373ee6febc8103d7/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/c9bea151-47e0-42ba-9304-c6a80be6e944

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/3196e3ef-ffb9-4e2a-abff-7ca972ae2c2d

Result

Threat name:

kaiten

Detection:

malicious

Classification:

spre.troj.evad

Score:

68 / 100

Link:

https://www.joesandbox.com/analysis/1983705

Signature

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Sample tries to kill multiple processes (SIGKILL)

Uses IRC for communication with a C&C

Yara detected Kaiten

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/2100c8fcc7b5df1003975dfb9683fb3ca58a80ad69da46ad373ee6febc8103d7

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2100c8fcc7b5df1003975dfb9683fb3ca58a80ad69da46ad373ee6febc8103d7/

Threat name:

Linux.Trojan.Generic

Status:

Suspicious

First seen:

2026-10-07 16:56:13 UTC

File Type:

ELF64 Little (Exe)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=eeamr7ghwxpraa4xlx5zna73hssyvafnnhnenljxh3tp5pebaplq._file

Result

Malware family:

n/a

Score:

5/10

Tags:

linux upx

Link:

https://tria.ge/reports/261007-vfpx5ssv4k/

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/2100c8fcc7b5df1003975dfb9683fb3ca58a80ad69da46ad373ee6febc8103d7

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:	ELF_IoT_DVR_Botnet_Hama_UPX Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code

Rule name:	linux_generic_ipv6_catcher Create hunting rule
Author:	@_lubiedo
Description:	ELF samples using IPv6 addresses

Rule name:	SUSP_ELF_LNX_UPX_Compressed_File Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects a suspicious ELF binary with UPX compression
Reference:	Internal Research

Rule name:	TH_Generic_MassHunt_Linux_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Linux malware mass-hunt rule - 2026
Reference:	https://cyfare.net/