MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6690dfbfe1f8655e706dfe3a10b418d554e8ad418e5fa1f46776aa979e86c59. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c6690dfbfe1f8655e706dfe3a10b418d554e8ad418e5fa1f46776aa979e86c59
SHA3-384 hash: d483f4921d1058ad889b21af9fb50c43e68cfbaa3028161cc1f608d13a04326b1f2ddf60e7d01c2790cd80e545b34d4c
SHA1 hash: c42291fdcd0eb8021da2ab453da1364670f64774
MD5 hash: 23cfd9c99d2ee86e75be106773c15a0b
humanhash: johnny-robin-high-green
File name:bigvirus.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:2'872'320 bytes
First seen:2025-06-02 01:02:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 537520ff4361feba1cee12d810a2e56c (1 x RustyStealer)
ssdeep 49152:p5os2y8qyDG+ANX8TcBP6EGYYwwgUS/xwFnx:pfIoE
TLSH T121D529617B4A89EEC55EC074C2868B72697270CE0B34BAFF458486783E69EF51F3C254
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 dominustrex
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
542
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bigvirus.exe
Verdict:
No threats detected
Analysis date:
2025-06-02 01:03:54 UTC
Tags:
discord
Link:
https://app.any.run/tasks/6a82f2ab-81d1-448c-9e1f-e39d67e3ff91

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/6783/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683cf96bacf88f5815eafb40
Tags:
stration spawn virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Launching a process
Changing a file
Searching for the window
Encrypting user's files
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug microsoft_visual_cc rust
Link:
https://www.filescan.io/uploads/683cf84de336a33801e1652e/reports/23d82c42-cc7e-4585-9be0-3461bb4624ff/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c6690dfbfe1f8655e706dfe3a10b418d554e8ad418e5fa1f46776aa979e86c59
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ea571895-b9dc-4397-9127-2abe40cc6469
Result
Threat name:
n/a
Detection:
malicious
Classification:
rans
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1703587
Signature
Joe Sandbox ML detected suspicious sample
Modifies existing user documents (likely ransomware behavior)
Writes many files with high entropy
Behaviour
Behavior Graph:
Download SVG
Score:
89%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c6690dfbfe1f8655e706dfe3a10b418d554e8ad418e5fa1f46776aa979e86c59
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c6690dfbfe1f8655e706dfe3a10b418d554e8ad418e5fa1f46776aa979e86c59/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yzuq3676d6dflzyg37r2cc2brvku5cwudds7uh2go5vks6pinrmq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
execution
Link:
https://tria.ge/reports/250602-bee7rsek9x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates connected drives
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fa5fd7a3-8a93-437a-8554-18e1184cd719
Unpacked files
SH256 hash:
c6690dfbfe1f8655e706dfe3a10b418d554e8ad418e5fa1f46776aa979e86c59
MD5 hash:
23cfd9c99d2ee86e75be106773c15a0b
SHA1 hash:
c42291fdcd0eb8021da2ab453da1364670f64774
Link:
https://www.unpac.me/results/d65d1eae-9773-4c97-ade9-4283c7029dbe/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c6690dfbfe1f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c6690dfbfe1f8655e706dfe3a10b418d554e8ad418e5fa1f46776aa979e86c59

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
Create hunting rule
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:Rustyloader_mem_loose
Create hunting rule
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/6783/

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
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
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::GetConsoleMode
kernel32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileW
ntdll.dll::NtCreateFile
kernel32.dll::DeleteFileW
ntdll.dll::NtDeviceIoControlFile
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
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