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
| 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: | |
| 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 | |
| Tags: | exe SkuldStealer |
Intelligence
File Origin
CLVendor Threat Intelligence
Result
Behaviour
Result
Result
Signature
Behaviour
Result
Behaviour
Malware Config
Unpacked files
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| DNS_METHODS | Performs DNS calls | vendor/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_METHODS | Can Execute Commands | os.StartProcess os/exec.Command os/exec.Command.func1 syscall.StartProcess syscall.StartProcess.deferwrap3 syscall.StartProcess.deferwrap2 syscall.StartProcess.deferwrap1 |
| FILE_IOUTIL | Can Read and Write Files (using deprecated API) | io/ioutil.ReadDir io/ioutil.ReadDir.func1 |
| FILE_IO_READ | Can Read Files | io.ReadAll os.ReadFile os.ReadFile.deferwrap1 os.readFileContents os.OpenFile os.openFileNolog |
| FILE_IO_WRITE | Can Create and Remove Files | os.Mkdir os.MkdirAll os.Remove os.RemoveAll os.WriteFile os.newFile os.newFileStatFromGetFileInformationByHandle |
| HTTP_CLIENT_METHODS | Invokes HTTP service | net/http.doubleCRLF net/http.Header.sortedKeyValues net/http.Header.writeSubset net/http.Header.sortedKeyValues.func1 net/http.headerNewlineToSpace net/http.headerSorterPool |
| HTTP_METHODS | Can run an HTTP server | vendor/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_METHODS | Uses Network to send and receive data | syscall.Bind net.lookupPortMap net.lookupPortMapWithNetwork net.ParseCIDR net.DialUDP net.readHosts net.readHosts.deferwrap1 |
| OS_METHODS | Can Execute OS commands | os.chmod os.findProcess os.Kill |
| SYSCALL_METHODS | Can perform system-level operations | syscall.Chmod syscall.Listen syscall.Mkdir syscall.Open syscall.OpenProcessToken syscall.OpenProcess |
| WEAK_CRYPTO | Uses Weak Cryptographic Algorithms | crypto/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_METHODS | Can perform Zip archive operations | compress/zlib.NewReaderDict compress/flate.NewReader compress/flate.NewReaderDict |
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