MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b637e891fb5491ff30b1a6d2f24a6d1cb0bdf64845c6a4c5c5019f64cf2c7b3e. 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:	b637e891fb5491ff30b1a6d2f24a6d1cb0bdf64845c6a4c5c5019f64cf2c7b3e
SHA3-384 hash:	bdabac182d3e5a45cf677f860a1f1848a17f12becef0c05425e400642f48819245040979e6f02ebabb20579a6e827fb9
SHA1 hash:	9e22978df9872b8efb957b2581cc289ec53564c6
MD5 hash:	33402f9d2fe9ac2d84ad8a52642b2200
humanhash:	echo-eighteen-fruit-network
File name:	33402f9d2fe9ac2d84ad8a52642b2200.exe
Download:	download sample
Signature	OverlordRAT Alert Create hunting rule
File size:	42'031'104 bytes
First seen:	2026-09-29 08:10:37 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	ed8b780a3ce7ca4aba78a21f6bc3d4e0 (11 x OverlordRAT, 9 x VeilStealer, 7 x WailsLoader)
ssdeep	393216:2L4V/MWZn3Y8LrUNf+JehTZk+S0KW1I4OwI:2EV/MWZnJwN5FZn1I4F
TLSH	T157973A63F4D21994D8AEC574C272816BBB713C191B7813E706A0F7201F3BBE4AAB6751
TrID	33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	abuse_ch
Tags:	exe OverlordRAT

Intelligence

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File Origin

# of uploads :

1

# of downloads :

180

Origin country :

SE

Vendor Threat Intelligence

ACCE Unknown

No detections

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-09-29 08:25:09 UTC

Tags:

overlord rat golang

Link:

https://app.any.run/tasks/8989a66f-c4b5-47a9-9431-7327c7111472

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

CyberFortress Malicious

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ac0bba14e97199d5892c279

Tags:

virus

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% subdirectories

Creating a file in the %AppData% subdirectories

Moving a file to the %AppData% subdirectory

Launching a process

Creating a process with a hidden window

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

Connection attempt to an infection source

Sending a TCP request to an infection source

Enabling autorun by creating a file

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

adaptive-context anti-debug golang overlay overlay reconnaissance reconnaissance sliver

Link:

https://www.filescan.io/uploads/6abb729f1053c9847acd7642/reports/84375ca4-e930-456a-acb1-3f8ee88b4701/overview

Hybrid Analysis Yogi.Generic

Verdict:

Malicious

Labled as:

Yogi.Generic

Link:

https://www.hybrid-analysis.com/sample/b637e891fb5491ff30b1a6d2f24a6d1cb0bdf64845c6a4c5c5019f64cf2c7b3e

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-09-24T17:39:00Z UTC

Last seen:

2026-09-29T07:46:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/b637e891fb5491ff30b1a6d2f24a6d1cb0bdf64845c6a4c5c5019f64cf2c7b3e/results?tab=lookup

Joe Sandbox malicious

Result

Threat name:

n/a

Detection:

malicious

Classification:

n/a

Score:

80 / 100

Link:

https://www.joesandbox.com/analysis/1979351

Signature

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: HackTool - Covenant PowerShell Launcher

Sigma detected: Suspect Svchost Activity

Sigma detected: System File Execution Location Anomaly

Suspicious powershell command line found

Uses Register-ScheduledTask to add task schedules

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Malware

Score:

92%

Verdict:

Malware

File Type:

PE

Link:

https://malprob.io/report/b637e891fb5491ff30b1a6d2f24a6d1cb0bdf64845c6a4c5c5019f64cf2c7b3e

CERT.PL MWDB

Gathering data

ReversingLabs TitaniumCloud Win64.Trojan.Yogi

Threat name:

Win64.Trojan.Yogi

Alert

Create hunting rule

Status:

Malicious

First seen:

2026-09-25 19:28:00 UTC

File Type:

PE+ (Exe)

Extracted files:

415

AV detection:

18 of 36 (50.00%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wy36rep3ksi76mfru3jpestndsyl35siixdkjrofagpwjtzmpm7a._file

Threatray GOAWAYBackdoor

Verdict:

malicious

Label(s):

GOAWAYBackdoor

Alert

Create hunting rule

Link:

https://reports.threatray.com/a7f5f8dc-4af0-404c-9c1e-8003a92f001d

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  8/10

Tags:

discovery execution

Link:

https://tria.ge/reports/260929-j3b41sveka/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Reads the TCP/IP host and domain name from the registry

Enumerates connected drives

Command and Scripting Interpreter: PowerShell

VirusTotal

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