MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b659b56bc895cacbafd9c713d032b617f5be8b92eb099257992b8c70ee8a9212. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments 1

SHA256 hash: b659b56bc895cacbafd9c713d032b617f5be8b92eb099257992b8c70ee8a9212
SHA3-384 hash: 4dab81a0ce15d051e87e926693d6ac247778841b50779ff482c9cfeeb42ac598069f156c1314cc4b30bf393f2c1e948e
SHA1 hash: a2a9d033217ab45028b7de63b8d7420bcce531bd
MD5 hash: 1bf23059cff289e2b74d5e5ca4f4e74e
humanhash: july-triple-lake-oxygen
File name:Rr7DaZp.exe
Download: download sample
Signature RustyStealer
File size:1'326'080 bytes
First seen:2025-05-09 20:00:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3150ab65dce40656b43dc1092df24106 (1 x RustyStealer)
ssdeep 24576:tsgmFpBEZLG3xbteWa/SWfJTAKD6Yq80g:tBAOZLMbgWa6WKKu80
TLSH T103555B02E6A6C4EEC45DC0B4D3479637FA32BC8E0734B6AB1BD45A353E6AF901A1D705
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 aachum
Tags:exe RustyStealer


Avatar
iamaachum
http://185.156.72.121/files/7338649596/Rr7DaZp.exe

C2: https://api.open-meteo.com/v1/forecast?latitude=51.5081&longitude=-0.1278&current=temperature

Intelligence


File Origin
# of uploads :
1
# of downloads :
452
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2025-05-08 15:15:22 UTC
Tags:
stealer loader lumma amadey botnet rdp themida telegram credentialflusher evasion auto-reg auto-sch

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus agent hype
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm expand fingerprint lolbin microsoft_visual_cc rust
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-05-08 18:20:16 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
Looks up external IP address via web service
Verdict:
Suspicious
Tags:
external_ip_lookup
YARA:
n/a
Unpacked files
SH256 hash:
b659b56bc895cacbafd9c713d032b617f5be8b92eb099257992b8c70ee8a9212
MD5 hash:
1bf23059cff289e2b74d5e5ca4f4e74e
SHA1 hash:
a2a9d033217ab45028b7de63b8d7420bcce531bd
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.

Web download

RustyStealer

Executable exe b659b56bc895cacbafd9c713d032b617f5be8b92eb099257992b8c70ee8a9212

(this sample)

  
Dropped by
Amadey
  
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::LoadLibraryA
kernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryExW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::GetConsoleMode
kernel32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
ntdll.dll::NtCreateFile
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::RegCreateKeyExW
advapi32.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



Avatar
commented on 2025-05-09 20:09:21 UTC

URL reported as C2 is wrong. Apologies.