MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b71f21cbdaadb8658ac8940a4709df3f23dfc9fa6e784d50ebbc7a7888469e2. 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:	1b71f21cbdaadb8658ac8940a4709df3f23dfc9fa6e784d50ebbc7a7888469e2
SHA3-384 hash:	98b9e339be083c9c2b368d44648d066d722b483fade03b2caf20d5c09243179a754bdf9b14d2fc6951a693a0b2faeb90
SHA1 hash:	d45a7cfa756ccac0d2bee7a2f8fd69f21ef17c65
MD5 hash:	cbe72e93c04a891198f9dc0899244b3a
humanhash:	solar-may-romeo-gee
File name:	SKCMLT17622520986618485758458589457.bat
Download:	download sample
Signature	GuLoader Alert Create hunting rule
File size:	6'977 bytes
First seen:	2025-12-01 14:37:46 UTC
Last seen:	2026-05-20 17:25:11 UTC
File type:	bat
MIME type:	text/plain
ssdeep	192:kBqWlLlYZHjJvtj6uaptnOna3cdIkiivpJM:Mqa+Hj36uaznOaqIQvXM
TLSH	T10DE12C02BD93717A7424424B7C1DD3CC389570D70A3216B831AF7639B9EBA28732D05D
Magika	txt
Reporter	lowmal3
Tags:	bat GuLoader

Intelligence

---

File Origin

# of uploads :

3

# of downloads :

89

Origin country :

DE

Vendor Threat Intelligence

ACCE Unknown

No detections

ANY.RUN remcos

Malware family:

n/a

ID:

1

File name:

PLAČILNI dokument SI56 Intesa SanpaoloServen.7z

Verdict:

Malicious activity

Analysis date:

2025-11-28 14:52:26 UTC

Tags:

arch-exec

Link:

https://app.any.run/tasks/5afa46d7-0acd-4594-8a5e-d76f0d3faaaf

Note:

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

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/42023/

CyberFortress Malicious

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=692b394e6cb1dcd577827351

Tags:

xtreme shell sage

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt to an infection source

DNS request

Connection attempt

Sending an HTTP GET request

Creating a file in the %AppData% directory

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Creating a process with a hidden window

Query of malicious DNS domain

Sending a TCP request to an infection source

Using obfuscated Powershell scripts

FileScan.IO Likely Malicious

Verdict:

Likely Malicious

Threat level:

  7.5/10

Confidence:

100%

Tags:

base64 obfuscated powershell

Link:

https://www.filescan.io/uploads/692da857cf5561c4a9e13b2e/reports/8c6bb68e-3fe7-4f9b-b979-47b0d351ac5c/overview

Hybrid Analysis Unknown

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/1b71f21cbdaadb8658ac8940a4709df3f23dfc9fa6e784d50ebbc7a7888469e2

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

ps1

First seen:

2025-11-28T09:30:00Z UTC

Last seen:

2025-12-03T11:38:00Z UTC

Hits:

~1000

Detections:

HEUR:Trojan.BAT.Obfuscated.gen HEUR:Trojan.Script.Generic

Link:

https://opentip.kaspersky.com/1b71f21cbdaadb8658ac8940a4709df3f23dfc9fa6e784d50ebbc7a7888469e2/results?tab=lookup

Joe Sandbox GuLoader

Result

Threat name:

GuLoader

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1823633

Signature

Early bird code injection technique detected

Encrypted powershell cmdline option found

Found suspicious powershell code related to unpacking or dynamic code loading

Hides threads from debuggers

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Obfuscated command line found

Queries the IP of a very long domain name

Queues an APC in another process (thread injection)

Sigma detected: Potential PowerShell Command Line Obfuscation

Suspicious powershell command line found

Switches to a custom stack to bypass stack traces

Unusual module load detection (module proxying)

Writes to foreign memory regions

Yara detected GuLoader

Yara detected Powershell decode and execute

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Malware

Score:

93%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/1b71f21cbdaadb8658ac8940a4709df3f23dfc9fa6e784d50ebbc7a7888469e2

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1b71f21cbdaadb8658ac8940a4709df3f23dfc9fa6e784d50ebbc7a7888469e2/

Neiki Family.REMCOS

Verdict:

Malicious

Threat:

Family.REMCOS

Link:

https://tip.neiki.dev/file/1b71f21cbdaadb8658ac8940a4709df3f23dfc9fa6e784d50ebbc7a7888469e2

ReversingLabs TitaniumCloud Script-PowerShell.Trojan.GuLoader

Threat name:

Script-PowerShell.Trojan.GuLoader

Alert

Create hunting rule

Status:

Malicious

First seen:

2025-11-28 14:07:25 UTC

File Type:

Text

AV detection:

6 of 24 (25.00%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=dny7ehf5vlnymwfmrfaki4e56pzd37e7u3tyjvioxpd2pceenhra._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  8/10

Tags:

execution

Link:

https://tria.ge/reports/251201-rzthwsyqcx/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Badlisted process makes network request

Command and Scripting Interpreter: PowerShell

VMRay Malicious

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/1b71f21cbdaa/report/overview.html

VirusTotal

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

YOROI YOMI Malicious File

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/1b71f21cbdaadb8658ac8940a4709df3f23dfc9fa6e784d50ebbc7a7888469e2

File information

---

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

Malspam

GuLoader

bat 1b71f21cbdaadb8658ac8940a4709df3f23dfc9fa6e784d50ebbc7a7888469e2

(this sample)

  

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/42023/