MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3395fc457d751da0e6a2fffbe92e133a36b169187e00609d356d38b1c2bce11d. 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

UmbraRAT

Vendor detections: 10

Intelligence 10 IOCs YARA 38 File information Comments

SHA256 hash:	3395fc457d751da0e6a2fffbe92e133a36b169187e00609d356d38b1c2bce11d
SHA3-384 hash:	579b17c4a8c6dc9f668732e407483143d53eb5bf8626d06cfa6e951b556a275f8e9dc455bff1645cbedc4d4bc584f324
SHA1 hash:	e29b415a75d1e80d2f37b81c9a9760f7fb718017
MD5 hash:	559caef56ad735b96fd5c2cbc224fcb1
humanhash:	oxygen-pennsylvania-lake-georgia
File name:	wuphost.exe
Download:	download sample
Signature	UmbraRAT Create hunting rule
File size:	6'413'312 bytes
First seen:	2026-10-29 07:13:00 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	aaae61ac3760d310385c39893bbcd2c9 (4 x UmbraRAT)
ssdeep	98304:nR/J21nO9ENfPlYH2j/lCoM7Rk29SfUcZ+qb7fT:RopO96qQPuk+e3Z+sf
TLSH	T1D156232BE88569D7F015CEB1967AB421455F98E82E212DD49A8E4766FC133B0BF34FC0
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	M15TRUST
Tags:	exe UmbraRAT

M15TRUST

Golang written malware with Solana blockchain based C2

Intelligence

File Origin

# of uploads :

# of downloads :

201

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

exe

Verdict:

No threats detected

Analysis date:

2026-10-29 07:26:39 UTC

Tags:

pecompact

Link:

https://app.any.run/tasks/0664a816-3b7a-4446-bd0d-fff6f456e141

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/95930/

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ae2f213b121dd519dce90f3

Tags:

malware

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-debug packed

Link:

https://www.filescan.io/uploads/6ae2f20beb093474ddadcf1d/reports/0da3ecda-8b4e-48d5-8dca-49711c2ba2ff/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/3395fc457d751da0e6a2fffbe92e133a36b169187e00609d356d38b1c2bce11d

Verdict:

Clean

File Type:

exe x64

Link:

https://opentip.kaspersky.com/3395fc457d751da0e6a2fffbe92e133a36b169187e00609d356d38b1c2bce11d/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/98be91d2-0fd7-413f-b381-23b2c2cce656

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1994474

Signature

Antivirus / Scanner detection for submitted sample

Found direct / indirect Syscall (likely to bypass EDR)

Hides threads from debuggers

Hijacks the control flow in another process

Injects a PE file into a foreign processes

Installs new ROOT certificates

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for submitted file

Sample uses process hollowing technique

Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments

Sigma detected: Rundll32 Execution Without CommandLine Parameters

System process connects to network (likely due to code injection or exploit)

Unusual module load detection (module proxying)

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3395fc457d751da0e6a2fffbe92e133a36b169187e00609d356d38b1c2bce11d

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/559caef56ad735b96fd5c2cbc224fcb1

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3395fc457d751da0e6a2fffbe92e133a36b169187e00609d356d38b1c2bce11d/

Threat name:

Win64.Trojan.AdvML

Status:

Malicious

First seen:

2026-10-29 07:13:33 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

12 of 38 (31.58%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=gok7yrl5ouo2bzvc7756slqthi3lc2iypyagbhjvnu4ldqv44eoq._file

Result

Malware family:

n/a

Score:

5/10

Tags:

defense_evasion discovery

Link:

https://tria.ge/reports/261029-h18jrsxxds/

Behaviour

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of NtSetInformationThreadHideFromDebugger

Malware Family:

n/a

Verdict:

Suspicious

Tags:

evasion

YARA:

n/a

Link:

https://app.threat.zone/submission/e2c753ec-a98a-44a6-a466-1610852f609f

Unpacked files

SH256 hash:

3395fc457d751da0e6a2fffbe92e133a36b169187e00609d356d38b1c2bce11d

MD5 hash:

559caef56ad735b96fd5c2cbc224fcb1

SHA1 hash:

e29b415a75d1e80d2f37b81c9a9760f7fb718017

Link:

https://www.unpac.me/results/df9b6f1e-1f71-4669-a861-b0c5fab3c639/

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

Threat name:

Malicious File

Score:

0.72

Link:

https://yomi.yoroi.company/submissions/3395fc457d751da0e6a2fffbe92e133a36b169187e00609d356d38b1c2bce11d

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:	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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

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:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

Rule name:	golang Create hunting rule

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

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

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

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:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

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:	test_rule_vldslv Create hunting rule

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/

Rule name:	WIN_Malware_Fantom_ForgeAuto_98e6f354_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Fantom (pe, etat extrait)

Rule name:	WIN_Malware_PythonStealer_ForgeAuto_b24cb5bd Create hunting rule
Author:	Marjoriefort
Description:	Detects PythonStealer (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_30f84f37 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Sample_Unique_69354b41 Create hunting rule
Author:	Marjoriefort
Description:	Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:	69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

File information

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

Delivery method

Multiple

Cape

https://www.capesandbox.com/analysis/95930/

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