MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 80fe36f17c095c2bdfb8aec5ee95b827766ab86ccaeda85e19785b79539e0c44. 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



RustyStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 16 File information Comments

SHA256 hash: 80fe36f17c095c2bdfb8aec5ee95b827766ab86ccaeda85e19785b79539e0c44
SHA3-384 hash: fbe7211793fb93e2cf03308fcec63202946a22c4175c423ebeabf0b4638f08ede933367a3f50c6cf2839fb416eaa5dac
SHA1 hash: 03f2c02f9b3e6dfca805e22c40a7aff55ff435e9
MD5 hash: fcca36a5abc25b3139aacdbc8d204daa
humanhash: robin-uranus-bluebird-single
File name:RexLabs 1.59.5.exe
Download: download sample
Signature RustyStealer
File size:5'134'848 bytes
First seen:2025-03-10 17:39:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 59fb414831820d764fde5bff81f47224 (1 x RustyStealer)
ssdeep 49152:/S/+bVaSgX3BPJsJ39kzIbdjCDnUlzm0XZn27EFXUBb46v6X8Alz7giYSRO5QZ++:apsboo0E0az7giYnlMSlM5s
TLSH T133365B03F6A281EDC0AEC274875A9333F672F8894534B65F5B94CB222E15F60AF4D758
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10522/11/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 71cccccc96c8e070 (1 x RustyStealer)
Reporter KatzenTech
Tags:exe RustyStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
356
Origin country :
RU RU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RexLabs 1.59.5.exe
Verdict:
Malicious activity
Analysis date:
2025-03-11 03:51:17 UTC
Tags:
stealer ip-check phishing

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
dropper virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Creating a window
Reading critical registry keys
Stealing user critical data
Launching a tool to kill processes
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm crypto evasive expand explorer fingerprint lolbin remote stealer
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Discord Token Stealer, PRYSMAX STEALER
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Behaviour
Behavior Graph:
n/a
Result
Malware family:
n/a
Score:
  8/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
Command and Scripting Interpreter: PowerShell
Event Triggered Execution: Netsh Helper DLL
Enumerates processes with tasklist
Accesses cryptocurrency files/wallets, possible credential harvesting
Enumerates connected drives
Credentials from Password Stores: Windows Credential Manager
Reads ssh keys stored on the system
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Modifies Windows Firewall
Uses browser remote debugging
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
80fe36f17c095c2bdfb8aec5ee95b827766ab86ccaeda85e19785b79539e0c44
MD5 hash:
fcca36a5abc25b3139aacdbc8d204daa
SHA1 hash:
03f2c02f9b3e6dfca805e22c40a7aff55ff435e9
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:Check_OutputDebugStringA_iat
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:dsc
Author:Aaron DeVera
Description:Discord domains
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:grakate_stealer_nov_2021
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_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:pe_detect_tls_callbacks
Rule name:ProgramLanguage_Rust
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:Rustyloader_mem_loose
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
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

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
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User Authorizationadvapi32.dll::CopySid
advapi32.dll::GetLengthSid
advapi32.dll::IsValidSid
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
DP_APIUses DP APIcrypt32.dll::CryptUnprotectData
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::GetTokenInformation
SS_APIUses SS APIsecur32.dll::AcceptSecurityContext
secur32.dll::AcquireCredentialsHandleA
secur32.dll::ApplyControlToken
secur32.dll::DecryptMessage
secur32.dll::DeleteSecurityContext
secur32.dll::QueryContextAttributesW
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
kernel32.dll::OpenProcess
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIntdll.dll::NtQueryInformationProcess
ntdll.dll::NtQuerySystemInformation
kernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::CopyFileExW
kernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileA
kernel32.dll::CreateFileMappingA
kernel32.dll::CreateFileMappingW
kernel32.dll::CreateFileW
ntdll.dll::NtCreateFile
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupAccountSidW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptGenRandom
WIN_CRYPT_APIUses Windows Crypt APIcrypt32.dll::CertAddCertificateContextToStore
crypt32.dll::CertDuplicateCertificateChain
crypt32.dll::CertDuplicateCertificateContext
crypt32.dll::CertDuplicateStore
crypt32.dll::CertEnumCertificatesInStore
crypt32.dll::CertFreeCertificateChain
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryValueExW
WIN_SOCK_APIUses Network to send and receive dataws2_32.dll::bind
ws2_32.dll::closesocket
ws2_32.dll::connect
ws2_32.dll::freeaddrinfo
ws2_32.dll::getaddrinfo
ws2_32.dll::getpeername
WIN_USER_APIPerforms GUI Actionsuser32.dll::OpenClipboard

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