MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18ae8b673c8dd8f7561bda36e4abe373592a3f1face3ec5b215545d7ee00f142. 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 35 File information Comments

SHA256 hash: 18ae8b673c8dd8f7561bda36e4abe373592a3f1face3ec5b215545d7ee00f142
SHA3-384 hash: 722314c43a7ee603ce6111e1f6dab517d2fbbfd540eb2a965f296151b66d546dab9fae480890c724ecb13f489d237e39
SHA1 hash: d5ac157ed94ee860b11cc65a323115171836831b
MD5 hash: 9a317b29eb0a0f8950e29a76ee070ddf
humanhash: shade-low-papa-robin
File name:skuld.exe
Download: download sample
Signature SkuldStealer
File size:16'132'608 bytes
First seen:2025-03-16 16:52:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (92 x Rhadamanthys, 83 x Vidar, 43 x LummaStealer)
ssdeep 196608:oqT7fw9EN5PgKyt8RuLrgAq7ZuEjqgDaTRS5tMMCkSg:oGw6oMK/su7gR
TLSH T1A8F69D83E87506E5C0A99276C6A78253BA753C984F3163C76B50F7386F73BD0AAB5700
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter BastianHein
Tags:exe SkuldStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
522
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
skuld.exe
Verdict:
Malicious activity
Analysis date:
2025-03-16 16:54:54 UTC
Tags:
discord uac skuld stealer evasion autorun-reg screenshot arch-doc discordgrabber generic susp-powershell ims-api golang crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
infosteal dropper shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Creating a window
Enabling the 'hidden' option for recently created files
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto golang packed packed packer_detected
Result
Verdict:
UNKNOWN
Result
Threat name:
Go Stealer, Skuld Stealer
Detection:
malicious
Classification:
troj.adwa.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Installs new ROOT certificates
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies the hosts file
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Capture Wi-Fi password
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal communication platform credentials (via file / registry access)
Tries to steal Crypto Currency Wallets
Uses cmd line tools excessively to alter registry or file data
Uses netsh to modify the Windows network and firewall settings
Yara detected Go Stealer
Yara detected Skuld Stealer
Yara detected WIFI Password Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1639932 Sample: skuld.exe Startdate: 16/03/2025 Architecture: WINDOWS Score: 100 47 ip-api.com 2->47 49 discord.com 2->49 59 Antivirus / Scanner detection for submitted sample 2->59 61 Sigma detected: Capture Wi-Fi password 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 10 other signatures 2->65 9 skuld.exe 2 73 2->9         started        14 SecurityHealthSystray.exe 2->14         started        16 svchost.exe 2->16         started        18 SecurityHealthSystray.exe 2->18         started        signatures3 process4 dnsIp5 51 ip-api.com 208.95.112.1, 49721, 80 TUT-ASUS United States 9->51 53 162.159.128.233, 443, 59105, 59106 CLOUDFLARENETUS United States 9->53 55 discord.com 162.159.138.232, 443, 49720 CLOUDFLARENETUS United States 9->55 43 C:\Users\user\...\SecurityHealthSystray.exe, PE32+ 9->43 dropped 45 C:\Windows\System32\drivers\etc\hosts, ASCII 9->45 dropped 69 Installs new ROOT certificates 9->69 71 Found many strings related to Crypto-Wallets (likely being stolen) 9->71 73 Uses cmd line tools excessively to alter registry or file data 9->73 79 10 other signatures 9->79 20 powershell.exe 23 9->20         started        23 powershell.exe 23 9->23         started        26 powershell.exe 21 9->26         started        32 10 other processes 9->32 75 Antivirus detection for dropped file 14->75 77 Multi AV Scanner detection for dropped file 14->77 28 conhost.exe 14->28         started        57 127.0.0.1 unknown unknown 16->57 30 conhost.exe 18->30         started        file6 signatures7 process8 file9 41 C:\Users\user\AppData\...\vb0mc0gm.cmdline, Unicode 20->41 dropped 34 csc.exe 20->34         started        67 Loading BitLocker PowerShell Module 23->67 signatures10 process11 file12 39 C:\Users\user\AppData\Local\...\vb0mc0gm.dll, PE32 34->39 dropped 37 cvtres.exe 34->37         started        process13
Verdict:
malicious
Label(s):
skuldstealer
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:skuld credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer
Behaviour
Detects videocard installed
GoLang User-Agent
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Browser Information Discovery
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Wi-Fi Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Obfuscated Files or Information: Command Obfuscation
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Command and Scripting Interpreter: PowerShell
Drops file in Drivers directory
Skuld family
Skuld stealer
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1350589532671709224/233ztPuPNWSLxXYC9q6DAZm5KeiJyP5dslAWD6TutTLgoW0mNZ5hI80l_buyg_7J6feO
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Unpacked files
SH256 hash:
18ae8b673c8dd8f7561bda36e4abe373592a3f1face3ec5b215545d7ee00f142
MD5 hash:
9a317b29eb0a0f8950e29a76ee070ddf
SHA1 hash:
d5ac157ed94ee860b11cc65a323115171836831b
Detections:
INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore INDICATOR_SUSPICIOUS_EXE_DiscordURL INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs INDICATOR_SUSPICIOUS_EXE_Crypto_Wallet_Regex
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Tim Brown @timb_machine
Description:AIX binary
Rule name:command_and_control
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:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:dsc
Author:Aaron DeVera
Description:Discord domains
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:GoBinTest
Rule name:golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:grakate_stealer_nov_2021
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_Crypto_Wallet_Regex
Author:ditekSHen
Description:Detects executables referencing cryptocurrency wallet regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:Macos_Infostealer_Wallets_8e469ea0
Author:Elastic Security
Rule name:MALW_JS_PirateStealerPKG
Author:skyeto
Description:PirateStealer Malware
Reference:https://twitter.com/skyetothefox/status/1444442313367998467
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multi_Generic_Threat_19854dc2
Author:Elastic Security
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
Reviews
IDCapabilitiesEvidence
DNS_METHODSPerforms DNS callsvendor/golang.org/x/net/dns/dnsmessage.(*nestedError).Error
vendor/golang.org/x/net/dns/dnsmessage.(*header).pack
vendor/golang.org/x/net/dns/dnsmessage.(*header).unpack
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).Start
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).resourceHeader
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).skipResource
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).Question
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).SkipQuestion
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).CNAMEResource
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).AResource
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).AAAAResource
vendor/golang.org/x/net/dns/dnsmessage.NewBuilder
vendor/golang.org/x/net/dns/dnsmessage.(*Builder).Question
vendor/golang.org/x/net/dns/dnsmessage.(*Builder).OPTResource
vendor/golang.org/x/net/dns/dnsmessage.(*Builder).Finish
vendor/golang.org/x/net/dns/dnsmessage.(*ResourceHeader).pack
vendor/golang.org/x/net/dns/dnsmessage.(*ResourceHeader).unpack
vendor/golang.org/x/net/dns/dnsmessage.skipResource
vendor/golang.org/x/net/dns/dnsmessage.(*Name).pack
vendor/golang.org/x/net/dns/dnsmessage.(*Name).unpack
vendor/golang.org/x/net/dns/dnsmessage.(*Question).pack
vendor/golang.org/x/net/dns/dnsmessage.unpackCNAMEResource
vendor/golang.org/x/net/dns/dnsmessage.init
type:.eq.vendor/golang.org/x/net/dns/dnsmessage.nestedError
vendor/golang.org/x/net/dns/dnsmessage::inittask
vendor/golang.org/x/net/dns/dnsmessage.classNames
vendor/golang.org/x/net/dns/dnsmessage.rCodeNames
vendor/golang.org/x/net/dns/dnsmessage.ErrNotStarted
vendor/golang.org/x/net/dns/dnsmessage.ErrSectionDone
vendor/golang.org/x/net/dns/dnsmessage.errBaseLen
vendor/golang.org/x/net/dns/dnsmessage.errCalcLen
vendor/golang.org/x/net/dns/dnsmessage.errReserved
vendor/golang.org/x/net/dns/dnsmessage.errTooManyPtr
vendor/golang.org/x/net/dns/dnsmessage.errInvalidPtr
vendor/golang.org/x/net/dns/dnsmessage.errInvalidName
vendor/golang.org/x/net/dns/dnsmessage.errResourceLen
vendor/golang.org/x/net/dns/dnsmessage.errSegTooLong
vendor/golang.org/x/net/dns/dnsmessage.errNameTooLong
vendor/golang.org/x/net/dns/dnsmessage.errZeroSegLen
vendor/golang.org/x/net/dns/dnsmessage.errResTooLong
vendor/golang.org/x/net/dns/dnsmessage.errTooManyQuestions
vendor/golang.org/x/net/dns/dnsmessage.errTooManyAnswers
vendor/golang.org/x/net/dns/dnsmessage.errTooManyAuthorities
vendor/golang.org/x/net/dns/dnsmessage.errTooManyAdditionals
vendor/golang.org/x/net/dns/dnsmessage.errNonCanonicalName
vendor/golang.org/x/net/dns/dnsmessage.sectionNames
go:itab.*vendor/golang.org/x/net/dns/dnsmessage.nestedError
error
EXEC_METHODSCan Execute Commandsos.StartProcess
os/exec.Command
os/exec.Command.func1
syscall.StartProcess
syscall.StartProcess.deferwrap3
syscall.StartProcess.deferwrap2
syscall.StartProcess.deferwrap1
FILE_IOUTILCan Read and Write Files (using deprecated API)io/ioutil.ReadDir
io/ioutil.ReadDir.func1
FILE_IO_READCan Read Filesio.ReadAll
os.ReadFile
os.ReadFile.deferwrap1
os.readFileContents
os.OpenFile
os.openFileNolog
FILE_IO_WRITECan Create and Remove Filesos.Mkdir
os.MkdirAll
os.Remove
os.RemoveAll
os.WriteFile
os.newFile
os.newFileStatFromGetFileInformationByHandle
HTTP_CLIENT_METHODSInvokes HTTP servicenet/http.doubleCRLF
net/http.Header.sortedKeyValues
net/http.Header.writeSubset
net/http.Header.sortedKeyValues.func1
net/http.headerNewlineToSpace
net/http.headerSorterPool
HTTP_METHODSCan run an HTTP servervendor/golang.org/x/net/http2/hpack.init
vendor/golang.org/x/net/http2/hpack.init.func1
vendor/golang.org/x/net/http2/hpack.NewEncoder
vendor/golang.org/x/net/http2/hpack.(*Encoder).WriteField
vendor/golang.org/x/net/http2/hpack.(*Encoder).searchTable
vendor/golang.org/x/net/http2/hpack.(*Encoder).SetMaxDynamicTableSize
vendor/golang.org/x/net/http2/hpack.appendNewName
vendor/golang.org/x/net/http2/hpack.appendIndexedName
vendor/golang.org/x/net/http2/hpack.appendHpackString
vendor/golang.org/x/net/http2/hpack.DecodingError.Error
vendor/golang.org/x/net/http2/hpack.InvalidIndexError.Error
vendor/golang.org/x/net/http2/hpack.HeaderField.String
vendor/golang.org/x/net/http2/hpack.NewDecoder
vendor/golang.org/x/net/http2/hpack.(*Decoder).SetEmitFunc
vendor/golang.org/x/net/http2/hpack.(*dynamicTable).add
vendor/golang.org/x/net/http2/hpack.(*dynamicTable).evict
vendor/golang.org/x/net/http2/hpack.(*Decoder).Close
vendor/golang.org/x/net/http2/hpack.(*Decoder).Write
vendor/golang.org/x/net/http2/hpack.(*Decoder).parseHeaderFieldRepr
vendor/golang.org/x/net/http2/hpack.(*Decoder).parseFieldIndexed
vendor/golang.org/x/net/http2/hpack.(*Decoder).parseFieldLiteral
vendor/golang.org/x/net/http2/hpack.(*Decoder).callEmit
vendor/golang.org/x/net/http2/hpack.(*Decoder).parseDynamicTableSizeUpdate
vendor/golang.org/x/net/http2/hpack.readVarInt
vendor/golang.org/x/net/http2/hpack.(*Decoder).readString
vendor/golang.org/x/net/http2/hpack.(*Decoder).decodeString
vendor/golang.org/x/net/http2/hpack.huffmanDecode
vendor/golang.org/x/net/http2/hpack.buildRootHuffmanNode
vendor/golang.org/x/net/http2/hpack.AppendHuffmanString
vendor/golang.org/x/net/http2/hpack.(*headerFieldTable).evictOldest
vendor/golang.org/x/net/http2/hpack.(*headerFieldTable).search
vendor/golang.org/x/net/http2/hpack.(*headerFieldTable).idToIndex
vendor/golang.org/x/net/http2/hpack.(*DecodingError).Error
vendor/golang.org/x/net/http2/hpack.(*HeaderField).String
vendor/golang.org/x/net/http2/hpack.(*InvalidIndexError).Error
type:.eq.vendor/golang.org/x/net/http2/hpack.HeaderField
type:.eq.vendor/golang.org/x/net/http2/hpack.pairNameValue
type:.hash.vendor/golang.org/x/net/http2/hpack.pairNameValue
vendor/golang.org/x/net/http2/hpack::inittask
vendor/golang.org/x/net/http2/hpack.ErrStringLength
vendor/golang.org/x/net/http2/hpack.errNeedMore
vendor/golang.org/x/net/http2/hpack.errVarintOverflow
vendor/golang.org/x/net/http2/hpack.bufPool
vendor/golang.org/x/net/http2/hpack.ErrInvalidHuffman
vendor/golang.org/x/net/http2/hpack.buildRootOnce
vendor/golang.org/x/net/http2/hpack.lazyRootHuffmanNode
vendor/golang.org/x/net/http2/hpack.staticTable
vendor/golang.org/x/net/http2/hpack.huffmanCodes
vendor/golang.org/x/net/http2/hpack.huffmanCodeLen
go:itab.vendor/golang.org/x/net/http2/hpack.DecodingError
error
go:itab.vendor/golang.org/x/net/http2/hpack.InvalidIndexError
error
NET_METHODSUses Network to send and receive datasyscall.Bind
net.lookupPortMap
net.lookupPortMapWithNetwork
net.ParseCIDR
net.DialUDP
net.readHosts
net.readHosts.deferwrap1
OS_METHODSCan Execute OS commandsos.chmod
os.findProcess
os.Kill
SYSCALL_METHODSCan perform system-level operationssyscall.Chmod
syscall.Listen
syscall.Mkdir
syscall.Open
syscall.OpenProcessToken
syscall.OpenProcess
WEAK_CRYPTOUses Weak Cryptographic Algorithmscrypto/md5.init.0
crypto/md5.(*digest).Reset
crypto/md5.(*digest).MarshalBinary
crypto/md5.(*digest).UnmarshalBinary
crypto/md5.New
crypto/md5.(*digest).Size
crypto/md5.(*digest).BlockSize
crypto/md5.(*digest).Write
crypto/md5.(*digest).Sum
crypto/md5.(*digest).checkSum
crypto/md5.block.abi0
crypto/md5::inittask
go:itab.*crypto/md5.digest
hash.Hash
ZIP_METHODSCan perform Zip archive operationscompress/zlib.NewReaderDict
compress/flate.NewReader
compress/flate.NewReaderDict

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