MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4ae0aa38f19cf8c917061bcd03ee501ec97faac1582d0b8ca488f8c97c00a53. 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



SilentCryptoMiner


Vendor detections: 20


Intelligence 20 IOCs YARA 71 File information Comments 1

SHA256 hash: b4ae0aa38f19cf8c917061bcd03ee501ec97faac1582d0b8ca488f8c97c00a53
SHA3-384 hash: f259dca55210969b39c7369a01f03ad298b007ee99c33e87efcdcd6d6ff44cd0e0adf23aaf4504f8088fe2b2d05016a3
SHA1 hash: 3e64f12e8aed685a30a5226ba76381551475fc3d
MD5 hash: af143dfc4178f8c62a5cc00c49207c2d
humanhash: iowa-early-spring-mobile
File name:b4ae0aa38f19cf8c917061bcd03ee501ec97faac1582d0b8ca488f8c97c00a53
Download: download sample
Signature SilentCryptoMiner
File size:36'352 bytes
First seen:2026-02-28 08:31:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'818 x AgentTesla, 19'742 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 768:BzKeuw7mMDFDQAk9ShvCyzC+5WDWVFq9JGOMhHulK:B9bDgQdeHDGFq9JGOMRF
Threatray 2'078 similar samples on MalwareBazaar
TLSH T16AF24C083BA4822EC9FF2BF96A73E6120370E5078A13EB4E59C4456A6F37BC149457D7
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter JAMESWT_WT
Tags:exe jerrymac2008-duckdns-org SilentCryptoMiner

Intelligence


File Origin
# of uploads :
1
# of downloads :
167
Origin country :
IT IT
Vendor Threat Intelligence
Malware configuration found for:
XWorm
Details
XWorm
a version, a filepath, a mutex, a c2 socket address or a dead-drop resolver URL, and possibly cryptocurrency wallets and a Telegram URL
Malware family:
ID:
1
File name:
b4ae0aa38f19cf8c917061bcd03ee501ec97faac1582d0b8ca488f8c97c00a53
Verdict:
Malicious activity
Analysis date:
2026-02-28 08:32:35 UTC
Tags:
auto-reg auto-startup xworm remote salatstealer stealer loader ms-smartcard upx susp-powershell golang xmrig miner silentcryptominer winring0-sys vuln-driver

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
asyncrat autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat base64 njrat reconnaissance unsafe vbnet windows xworm xworm
Verdict:
Malicious
Labled as:
Suspicious:TrojanDrop.Agent.A.gaau
Verdict:
Malicious
File Type:
exe x32
Detections:
HEUR:Backdoor.MSIL.Crysan.gen Backdoor.MSIL.XWorm.c Backdoor.MSIL.XWorm.b Backdoor.MSIL.XWorm.a Trojan.Win32.Agent.sb Trojan.MSIL.Dnoper.sb PDM:Trojan.Win32.Generic
Gathering data
Threat name:
Win32.Trojan.XWorm
Status:
Malicious
First seen:
2026-02-28 08:32:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:salatstealer family:xworm credential_access defense_evasion discovery execution persistence rat spyware stealer trojan upx
Behaviour
Modifies data under HKEY_USERS
Runs net.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
UPX packed file
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Power Settings
Checks computer location settings
Creates new service(s)
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Stops running service(s)
Unsecured Credentials: Credentials In Files
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect SalatStealer payload
Detect Xworm Payload
Salatstealer family
UAC bypass
Xworm
Xworm family
salatstealer
Malware Config
C2 Extraction:
jerrymac2008.duckdns.org:4078
Unpacked files
SH256 hash:
b4ae0aa38f19cf8c917061bcd03ee501ec97faac1582d0b8ca488f8c97c00a53
MD5 hash:
af143dfc4178f8c62a5cc00c49207c2d
SHA1 hash:
3e64f12e8aed685a30a5226ba76381551475fc3d
Detections:
win_xworm_a0 win_xworm_w0 XWorm
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:Base64_Encoded_Powershell_Directives
Rule name:ByteCode_MSIL_Backdoor_AsyncRAT
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in 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_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:grakate_stealer_nov_2021
Rule name:Heuristics_ChromeABE
Author:Still
Description:attempts to match instructions related to Chrome App-bound Encryption elevation service; possibly spotted amongst infostealers
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
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_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:Macos_Infostealer_Wallets_8e469ea0
Author:Elastic Security
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:Multi_Generic_Threat_19854dc2
Author:Elastic Security
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
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:Rooter
Author:Seth Hardy
Description:Rooter
Rule name:RooterStrings
Author:Seth Hardy
Description:Rooter Identifying Strings
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:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:Suspicious_Process
Author:Security Research Team
Description:Suspicious process creation
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Sus_All_Windows_PE_Malware
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
Rule name:Sus_CMD_Powershell_Usage
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
Author:vietdx.mb
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Generic_Threat_9af87ddb
Author:Elastic Security
Rule name:win_xworm_bytestring
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm
Author:jeFF0Falltrades
Rule name:xworm_kingrat
Author:jeFF0Falltrades

File information


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

Comments



Avatar
commented on 2026-02-28 08:36:37 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "b4ae0aa38f19cf8c917061bcd03ee501ec97faac1582d0b8ca488f8c97c00a53",
"yara_possible_family": "xworm",
"key": "c16cb6e06bda6d2613004153f57da5c16cb6e06bda6d2613004153f57da54400",
"salt": "None",
"config": {
"Host": "jerrymac2008.duckdns.org",
"Ports": [
"4078"
],
"KEY": "<123456789>",
"SPL": "<Xwormmm>",
"Sleep": 3,
"USBNM": "USB.exe",
"InstallDir": "%AppData%",
"Mutex": "s5GEomZ0YdjtQjkV",
"LoggerPath": "\\Log.tmp"
}
}