MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4364d77092f2f40968b3aa06fe458a88f319e844f60902d28ef4a4752da21538. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments

SHA256 hash: 4364d77092f2f40968b3aa06fe458a88f319e844f60902d28ef4a4752da21538
SHA3-384 hash: f1c85e067b1a74e01da3a13e67c2b419cd8d41b1b63f08a124c62b7bda4ec22c5d76de50d0f8afaf2671699c01cb8949
SHA1 hash: 6b137fd7fa06ddc8082d2b8dc49a99d999935485
MD5 hash: 9924c4957ef1fbe2208a37ddab64f085
humanhash: butter-solar-jersey-arkansas
File name:kbin531_qawmvldb.exe
Download: download sample
Signature RustyStealer
File size:2'996'736 bytes
First seen:2025-05-03 14:21:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 777441c248fd7faa92a5f30aa008d336 (4 x RustyStealer)
ssdeep 49152:Xu8MoxlUiqBfEOmDbjq4vSvOa7hRkWMXdntjpOGbFHz:Xh/f1WMvjQGbNz
Threatray 24 similar samples on MalwareBazaar
TLSH T141D53A217B4A99AEC05EC0B4C2474BB26A3170CA0B35BAFF459496783F79AF51F3C254
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon b08e8e8e8e8e8e30 (8 x RustyStealer, 5 x XWorm)
Reporter MAM
Tags:exe FakeCaptcha RustyStealer


Avatar
mamutashim
bianb[.]cc

Intelligence


File Origin
# of uploads :
1
# of downloads :
574
Origin country :
ID ID
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
kbin531_qawmvldb.exe
Verdict:
Suspicious activity
Analysis date:
2025-05-03 14:10:47 UTC
Tags:
possible-phishing rust

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
xtreme virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Launching cmd.exe command interpreter
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug expand lolbin microsoft_visual_cc opendir opendir packed packed packer_detected rust
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Yara detected XWorm
Behaviour
Behavior Graph:
Result
Malware family:
Score:
  10/10
Tags:
family:donutloader family:xworm execution loader rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Detects DonutLoader
DonutLoader
Donutloader family
Xworm
Xworm family
Malware Config
C2 Extraction:
45.125.216.54:7000
Verdict:
Malicious
Tags:
phishing
YARA:
n/a
Unpacked files
SH256 hash:
4364d77092f2f40968b3aa06fe458a88f319e844f60902d28ef4a4752da21538
MD5 hash:
9924c4957ef1fbe2208a37ddab64f085
SHA1 hash:
6b137fd7fa06ddc8082d2b8dc49a99d999935485
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: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__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:ProgramLanguage_Rust
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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

File information


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

  
Delivery method
Other

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
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
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::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::TerminateProcess
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoW
kernel32.dll::GetCommandLineA
kernel32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetStdHandle
kernel32.dll::GetConsoleMode
kernel32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileW
ntdll.dll::NtCreateFile
ntdll.dll::NtDeviceIoControlFile
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

Comments