MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 640e9f28cd61e4234e0284cf08924e84d6d3d22c60aac36fff877596dfe88a78. 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

SHA256 hash:	640e9f28cd61e4234e0284cf08924e84d6d3d22c60aac36fff877596dfe88a78
SHA3-384 hash:	d3ca981af69e14536603f2c42985b26e6aa8a1a7bd6c24385d75edc9544eddfa1676b3910df27ab92a5d0f14a9aa130e
SHA1 hash:	b404964cabfa1cf8a147f37b45a3209d3acdc4f2
MD5 hash:	f30567efe46eb93ce4ccfda579f08059
humanhash:	queen-grey-nitrogen-hot
File name:	yakuza.arm4
Download:	download sample
Signature	Gafgyt Alert Create hunting rule
File size:	22'614 bytes
First seen:	2026-02-08 07:43:17 UTC
Last seen:	2026-02-08 23:48:36 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	384:GHLXcG4BP0T6ufqnn+nn9OnnnnnrqDannnnnhk/ul0MQu/nozm8We4lISzk5k4f2:GrXiBif1+qDUOul0MQu/nozmRNkC4ut
TLSH	T18BA20D48DC9867795BF0BAFFF71452CEB3791AC87BD23025493A45A033C8B68B1B9164
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 gafgyt

Intelligence

---

File Origin

# of uploads :

2

# of downloads :

52

Origin country :

DE

Vendor Threat Intelligence

ACCE Unknown

No detections

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

FileScan.IO Unknown

Verdict:

Unknown

Threat level:

  0/10

Confidence:

100%

Tags:

masquerade rust

Link:

https://www.filescan.io/uploads/69883ecb2ffccda0976a818c/reports/23640cd0-cfaa-43a3-b3c7-2892af003983/overview

Kaspersky OpenTIP Unknown

Verdict:

Unknown

File Type:

elf.32.le

Link:

https://opentip.kaspersky.com/640e9f28cd61e4234e0284cf08924e84d6d3d22c60aac36fff877596dfe88a78/results?tab=lookup

Kunai Sandbox

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/10a181cd-211e-4d6a-88dc-16e87c8f7def

Intezer Unknown

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/a0b95237-d988-4058-9ccf-79cb14a6337f

Joe Sandbox malicious

Result

Threat name:

n/a

Detection:

malicious

Classification:

n/a

Score:

56 / 100

Link:

https://www.joesandbox.com/analysis/1865461

Signature

Antivirus / Scanner detection for submitted sample

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Malware

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/640e9f28cd61e4234e0284cf08924e84d6d3d22c60aac36fff877596dfe88a78

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/640e9f28cd61e4234e0284cf08924e84d6d3d22c60aac36fff877596dfe88a78/

ReversingLabs TitaniumCloud Linux.Backdoor.Gafgyt

Threat name:

Linux.Backdoor.Gafgyt

Alert

Create hunting rule

Status:

Malicious

First seen:

2026-02-08 07:44:32 UTC

File Type:

ELF32 Little (Exe)

AV detection:

13 of 24 (54.17%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mqhj6kgnmhscgtqcqthqresoqtlnhurmmcvmg377q52znx7irj4a._file

Hatching Triage Unknown

Result

Malware family:

n/a

Score:

  1/10

Tags:

n/a

Link:

https://tria.ge/reports/260208-jkxb8sft5f/

VirusTotal

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

YOROI YOMI Legit

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/640e9f28cd61e4234e0284cf08924e84d6d3d22c60aac36fff877596dfe88a78