MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f58e7088a1e52153e1b3b675f530396fe56f54b15da20e8bf40fa709e1dc2f64. 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

SkuldStealer

Vendor detections: 14

Intelligence 14 IOCs YARA 53 File information Comments

SHA256 hash:	f58e7088a1e52153e1b3b675f530396fe56f54b15da20e8bf40fa709e1dc2f64
SHA3-384 hash:	6f1adb6166b9973370c760896551ef6fbe56ac5f1fb9d898d89d21e629e943e23a1763ba52cabd10c8d1b093ae36b129
SHA1 hash:	2a64095fadd41f88e35b043056d043b061c65aac
MD5 hash:	6cb528506b48f798da865cd9a8c027b6
humanhash:	quebec-alanine-beryllium-cat
File name:	skuld.exe
Download:	download sample
Signature	SkuldStealer Create hunting rule
File size:	11'121'152 bytes
First seen:	2026-05-02 12:49:30 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	4e2bd2c481372f7ab13b83b63b424e97 (12 x Vidar, 8 x RemusStealer, 5 x SalatStealer)
ssdeep	98304:DHogH+d3jLvJ1Hiobx28BvlSs2AZq9307A+50sRruQvBhih8bGEJ8:DRevXBvlP2Ac937ds/J8
TLSH	T183B65B57ECA551E5C0AED175CA269262BB713C885B3063D36B90F7282F37BD0ADB9340
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	BastianHein
Tags:	exe SkuldStealer

Intelligence

File Origin

# of uploads :

# of downloads :

131

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

Skuld

Details

Link:

https://research.acce.ciphertechsolutions.com/results/a97653ef-d357-4cdc-ba87-3780b2d117a9/

Malware family:

n/a

ID:

File name:

skuld.exe

Verdict:

Malicious activity

Analysis date:

2026-05-02 09:36:30 UTC

Tags:

uac skuld evasion anti-evasion stealer auto-reg discord screenshot arch-doc susp-powershell golang ip-check generic

Link:

https://app.any.run/tasks/c01b89a9-4f2b-43ec-b236-f321d95f0439

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/64297/

Detection(s):

Win.Malware.Yanismastealer-10058558-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Launching a process

Creating a process with a hidden window

Enabling the 'hidden' option for analyzed file

Creating a file in the %AppData% subdirectories

DNS request

Connection attempt

Creating a window

Enabling the 'hidden' option for recently created files

Sending a custom TCP request

Sending an HTTP GET request

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm golang salatstealer stealer

Link:

https://www.filescan.io/uploads/69f5f309df14f1cb2ac83a99/reports/ea9fd004-4428-45c1-8d5f-b58c771fcd32/overview

Verdict:

Malicious

Labled as:

TMPNStealer.A.Generic

Link:

https://www.hybrid-analysis.com/sample/f58e7088a1e52153e1b3b675f530396fe56f54b15da20e8bf40fa709e1dc2f64

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-05-02T06:38:00Z UTC

Last seen:

2026-05-04T09:09:00Z UTC

Hits:

~100

Detections:

Trojan.Win64.Agent.sb Trojan.Win32.Agent.sb Trojan-PSW.Win32.Xploder.sb Trojan-PSW.Win32.Greedy.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.Win32.Coins.sb Trojan-Downloader.Win32.Gomal.sb Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Stealer.sb HEUR:Trojan-PSW.Win64.Stealer.gen Trojan.Win32.Agent.sba Trojan.Win32.Vimditator.sb Trojan.Win32.ShyGuy.sb PDM:Trojan.Win32.Generic Trojan.Win32.AntiVM.f

Link:

https://opentip.kaspersky.com/f58e7088a1e52153e1b3b675f530396fe56f54b15da20e8bf40fa709e1dc2f64/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/3558ab24-f373-4d67-b90a-520fd63d0956

Score:

54%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/f58e7088a1e52153e1b3b675f530396fe56f54b15da20e8bf40fa709e1dc2f64

Verdict:

inconclusive

YARA:

3 match(es)

Tags:

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

Link:

https://app.malva.re/file/6cb528506b48f798da865cd9a8c027b6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f58e7088a1e52153e1b3b675f530396fe56f54b15da20e8bf40fa709e1dc2f64/

Verdict:

Malicious

Threat:

Family.SKULDSTEALER

Link:

https://tip.neiki.dev/file/f58e7088a1e52153e1b3b675f530396fe56f54b15da20e8bf40fa709e1dc2f64

Threat name:

Win64.Trojan.SalatStealer

Status:

Malicious

First seen:

2026-05-02 09:36:27 UTC

File Type:

PE+ (Exe)

AV detection:

17 of 36 (47.22%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6whhbcfb4uqvhyntwz27kmbzn7sw6vfrlwra5c7ub6tqtyo4f5sa._file

Result

Malware family:

skuld

Score:

10/10

Tags:

family:skuld defense_evasion persistence stealer

Link:

https://tria.ge/reports/260502-p21c4sby2n/

Behaviour

GoLang User-Agent

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Views/modifies file attributes

Adds Run key to start application

Looks up external IP address via web service

Executes dropped EXE

Detects SkuldStealer

Family: Skuld stealer

Malware Config

C2 Extraction:

https://discord.com/api/webhooks/1500063271573651518/n2WVx_NvIO8UAQG0E2_-cIYpvllxLTG5MkWRRL6yneFbOFeo8Nhgho7r1Vv5g6YF-vtx

Unpacked files

SH256 hash:

f58e7088a1e52153e1b3b675f530396fe56f54b15da20e8bf40fa709e1dc2f64

MD5 hash:

6cb528506b48f798da865cd9a8c027b6

SHA1 hash:

2a64095fadd41f88e35b043056d043b061c65aac

Link:

https://www.unpac.me/results/7e0a0a1a-a33e-4e45-bd47-fedde8b9f8be/

Malware family:

SkuldStealer

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f58e7088a1e5/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f58e7088a1e52153e1b3b675f530396fe56f54b15da20e8bf40fa709e1dc2f64

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:	aix Create hunting rule
Author:	Tim Brown @timb_machine
Description:	AIX binary

Rule name:	APT10_ChChes_lnk Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	LNK malware ChChes downloader

Rule name:	BunnyLoader Create hunting rule
Author:	indest
Description:	generic crypto/card stealer rule

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

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:	dsc Create hunting rule
Author:	Aaron DeVera
Description:	Discord domains

Rule name:	enterpriseapps2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise apps

Rule name:	enterpriseunix2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise UNIX

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

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:	Golang_Find_CSC846 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

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

Rule name:	grakate_stealer_nov_2021 Create hunting rule

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

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

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_Crypto_Wallet_Regex Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing cryptocurrency wallet regular expressions

Rule name:	INDICATOR_SUSPICIOUS_EXE_DiscordURL Create hunting rule
Author:	ditekSHen
Description:	Detects executables Discord URL observed in first stage droppers

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxSystemUUIDs Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing possible sandbox system UUIDs

Rule name:	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing SQL queries to confidential data stores. Observed in infostealers

Rule name:	INDICATOR_SUSPICIOUS_VM_Evasion_MACAddrComb Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing virtualization MAC addresses

Rule name:	ldpreload Create hunting rule
Author:	xorseed
Reference:	https://stuff.rop.io/

Rule name:	Macos_Infostealer_Wallets_8e469ea0 Create hunting rule
Author:	Elastic Security

Rule name:	MALW_JS_PirateStealerPKG Create hunting rule
Author:	skyeto
Description:	PirateStealer Malware
Reference:	https://twitter.com/skyetothefox/status/1444442313367998467

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

Rule name:	Multi_Generic_Threat_19854dc2 Create hunting rule
Author:	Elastic Security

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:	Suspicious_Process Create hunting rule
Author:	Security Research Team
Description:	Suspicious process creation

Rule name:	Sus_All_Windows_PE_Malware Create hunting rule
Author:	DiegoAnalytics
Description:	Detects Windows PE malware of all types, avoids non-executables like .html

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:	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:	unixredflags3 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for UNIX red flags

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

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

Cape

https://www.capesandbox.com/analysis/64297/

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