MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bbb37485871adac5f5fb129a01cc638e2ecaafa178ff807d08bad9bd37a1b00. 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

GuLoader

Vendor detections: 9

Intelligence 9 IOCs YARA 25 File information Comments

SHA256 hash:	2bbb37485871adac5f5fb129a01cc638e2ecaafa178ff807d08bad9bd37a1b00
SHA3-384 hash:	91229c96e4bc6b35d464aa9afa29962a2deb370b259cab34028edf61c787ecbb32f3a9673667e76e77099d315aaf18e5
SHA1 hash:	bf95a90915965b3bb635a43982a52351937f3b82
MD5 hash:	328af7facdea18af90a26fdf6bb93ff3
humanhash:	sink-ten-echo-three
File name:	SecuriteInfo.com.MalwareX-gen.99815525
Download:	download sample
Signature	GuLoader Create hunting rule
File size:	5'582'180 bytes
First seen:	2026-04-13 16:47:03 UTC
Last seen:	2026-04-13 17:28:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	3271ee162568f50a6810be9b8973807f (33 x NetSupport, 15 x ACRStealer, 7 x GuLoader)
ssdeep	49152:6x8hZ8I2gsng5o42dCqX8ZNKBgFjipzQcHfnrw4KGvuWXsEgm274S3ncqmygXjBa:6xIf6BmUI
TLSH	T1CA469F12ED6809A9C592A37A887351537E38B800171123E76AD9636C1F737F8D37AF2D
TrID	51.9% (.EXE) Win64 Executable (generic) (6522/11/2) 16.1% (.EXE) OS/2 Executable (generic) (2029/13) 15.9% (.EXE) Generic Win/DOS Executable (2002/3) 15.9% (.EXE) DOS Executable (generic) (2000/1)
Magika	pebin
Reporter	SecuriteInfoCom
Tags:	exe GuLoader

Intelligence

File Origin

# of uploads :

# of downloads :

115

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

SecuriteInfo.com.MalwareX-gen.99815525

Verdict:

No threats detected

Analysis date:

2026-04-13 16:50:23 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/06b4f0b5-1843-4a22-a51d-66fa74c7de25

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/61416/

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69dd1e55f68adfe1003975c3

Tags:

injection obfusc crypt

Result

Verdict:

Clean

Maliciousness:

Behaviour

Launching the default Windows debugger (dwwin.exe)

Sending a custom TCP request

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug overlay

Link:

https://www.filescan.io/uploads/69dd1e2a9124ebc087513719/reports/ec6ffd44-3ab8-4fef-97d2-95cc05d42d50/overview

Verdict:

Malicious

Labled as:

Midie.Generic

Link:

https://www.hybrid-analysis.com/sample/2bbb37485871adac5f5fb129a01cc638e2ecaafa178ff807d08bad9bd37a1b00

Verdict:

Clean

File Type:

dll x64

First seen:

2026-04-13T13:41:00Z UTC

Last seen:

2026-04-13T14:07:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/2bbb37485871adac5f5fb129a01cc638e2ecaafa178ff807d08bad9bd37a1b00/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/01a00b5b-940a-4527-97c8-3ecd12a2c497

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2bbb37485871adac5f5fb129a01cc638e2ecaafa178ff807d08bad9bd37a1b00

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2bbb37485871adac5f5fb129a01cc638e2ecaafa178ff807d08bad9bd37a1b00/

Verdict:

Malicious

Threat:

Family.GULOADER

Link:

https://tip.neiki.dev/file/2bbb37485871adac5f5fb129a01cc638e2ecaafa178ff807d08bad9bd37a1b00

Threat name:

Win64.Trojan.Qwexlafiba

Status:

Malicious

First seen:

2026-04-13 16:25:37 UTC

File Type:

PE+ (Dll)

Extracted files:

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=fo5toscyogw2yx27weu2ahgghdrozkx2c6h7qb6qrowzxu32dmaa._file

Result

Malware family:

n/a

Score:

8/10

Tags:

discovery persistence spyware stealer

Link:

https://tria.ge/reports/260413-vaw49sfz9v/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Time Discovery

Drops file in Windows directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Badlisted process makes network request

Unpacked files

SH256 hash:

2bbb37485871adac5f5fb129a01cc638e2ecaafa178ff807d08bad9bd37a1b00

MD5 hash:

328af7facdea18af90a26fdf6bb93ff3

SHA1 hash:

bf95a90915965b3bb635a43982a52351937f3b82

Link:

https://www.unpac.me/results/a95fa839-66a3-4e0d-a79e-fb96dfbe20b8/

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

Threat name:

Malicious File

Score:

0.78

Link:

https://yomi.yoroi.company/submissions/2bbb37485871adac5f5fb129a01cc638e2ecaafa178ff807d08bad9bd37a1b00

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:	Cerberus Create hunting rule
Author:	Jean-Philippe Teissier / @Jipe_
Description:	Cerberus

Rule name:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerException__ConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	dependsonpythonailib Create hunting rule
Author:	Tim Brown
Description:	Hunts for dependencies on Python AI libraries

Rule name:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	Detect_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	golang_duffcopy_amd64 Create hunting rule

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	GuLoader Create hunting rule

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	Suspicious_Golang_Binary Create hunting rule
Author:	Tim Machac
Description:	Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	telebot_framework Create hunting rule
Author:	vietdx.mb

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/