MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cda79e9cbec822f8de383d4b9da702def1e3e51ba6a71889a6199bf0f8903660. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cda79e9cbec822f8de383d4b9da702def1e3e51ba6a71889a6199bf0f8903660
SHA3-384 hash: 3c1d935a6845238b8b44dff263711727023251c90021af83bc32b91eff4c70080fb59c2586e556f2c770745c872d90c8
SHA1 hash: 593ef8a7fab2ddd88ccb90297d94ecdc13fdaf99
MD5 hash: a19f8dec0d45c7dcb325ad3396ddf040
humanhash: shade-lamp-london-vegan
File name:guard.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:2'162'176 bytes
First seen:2025-03-07 14:58:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d52fe9cc2c19043b6e8a1ebec00b92bc (4 x RustyStealer)
ssdeep 49152:WC79ESQ5p5VA4qD3RKOZ5ls9QRsqJDjNM:d4KxCeNhN
TLSH T13FA53A52F78549EEC469C1B48247A732BA71B84D0734BBEB4B9486713E16FD06F3C298
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.2% (.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 aachum
Tags:exe RustyStealer


Avatar
iamaachum
https://github.com/VeraImage/MeetUS

Intelligence

File Origin
# of uploads :
1
# of downloads :
397
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
guard.exe
Verdict:
Malicious activity
Analysis date:
2025-03-07 18:17:15 UTC
Tags:
xor-url generic rust
Link:
https://app.any.run/tasks/2666f7c8-d1f4-40ee-a0f3-b0ec0d590aae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cb0ac0c668b65489bfd4bf
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd lolbin microsoft_visual_cc remote xor-url xor-url
Link:
https://www.filescan.io/uploads/67cb09ca3c5f644bd947faed/reports/c6f0cedf-719f-4589-85a7-ee9ad2b3dbac/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/cda79e9cbec822f8de383d4b9da702def1e3e51ba6a71889a6199bf0f8903660
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb07a066-faee-4864-b56c-54a6877496ca
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1632167
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1632167 Sample: guard.exe Startdate: 07/03/2025 Architecture: WINDOWS Score: 48 12 github.com 2->12 16 Multi AV Scanner detection for submitted file 2->16 7 guard.exe 1 2->7         started        signatures3 process4 dnsIp5 14 github.com 140.82.121.4, 443, 49683 GITHUBUS United States 7->14 10 conhost.exe 7->10         started        process6
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cda79e9cbec822f8de383d4b9da702def1e3e51ba6a71889a6199bf0f8903660
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cda79e9cbec822f8de383d4b9da702def1e3e51ba6a71889a6199bf0f8903660/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zwtz5hf6zarprxryhvfz3jyc33y6hzi3u2trrcngdgn7b6eqgzqa._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/250307-scte2s11as/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5ea8c755-2961-4e2a-8dfb-f76ddf211f69
Unpacked files
SH256 hash:
cda79e9cbec822f8de383d4b9da702def1e3e51ba6a71889a6199bf0f8903660
MD5 hash:
a19f8dec0d45c7dcb325ad3396ddf040
SHA1 hash:
593ef8a7fab2ddd88ccb90297d94ecdc13fdaf99
Link:
https://www.unpac.me/results/7497b22a-18d8-4fae-bc1e-d9f4032e1774/
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/cda79e9cbec822f8de383d4b9da702def1e3e51ba6a71889a6199bf0f8903660

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: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.

Web download

RustyStealer

Executable exe cda79e9cbec822f8de383d4b9da702def1e3e51ba6a71889a6199bf0f8903660

(this sample)

  
Link
https://tria.ge/250307-r4zkpssmv4/behavioral10
  
Delivery method
Distributed via web download

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::TerminateProcess
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoW
kernel32.dll::GetCommandLineA
kernel32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::FreeConsole
kernel32.dll::SetStdHandle
kernel32.dll::GetConsoleOutputCP
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileW
ntdll.dll::NtCreateFile
ntdll.dll::NtDeviceIoControlFile
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
kernel32.dll::GetFileAttributesW
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