MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b031b62b53bd1615778c9186c27f6232981d0176e0b6614dd57721f33874cad2. 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
| SHA256 hash: | b031b62b53bd1615778c9186c27f6232981d0176e0b6614dd57721f33874cad2 |
|---|---|
| SHA3-384 hash: | dbbe7d4c2e0b36da6e1148585f9bd3703b5d2b7e16ef310df497c456bbec4445c2cee558e93472ec2411fbb17054dc7d |
| SHA1 hash: | 8eb9216250fdaf5875a37fc344a64c2dba3e9cf5 |
| MD5 hash: | eba2a543352ab5333a0aa369834278c8 |
| humanhash: | washington-alabama-mexico-ceiling |
| File name: | Byt3rRansomware.exe.bin |
| Download: | download sample |
| Signature | RustyStealer |
| File size: | 3'492'864 bytes |
| First seen: | 2025-08-03 13:22:10 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 0ab7c3024a1af2927bc4c8b51a0e8666 (1 x RustyStealer) |
| ssdeep | 49152:SfUgAP7lYxV4KDFM2jisBBHX2OaeyicIhctIc3xJ9wFsA:T84rK |
| TLSH | T127F528217B4A99EDC15EC07482478BB26A3270CB0B34BAFF45D496783E69AF51F3C254 |
| 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 |  KodaDr |
| Tags: | Encoder exe RustyStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
38
Origin country :
RUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
warning.zip
Verdict:
Malicious activity
Analysis date:
2025-08-02 18:39:15 UTC
Tags:
evasion telegram ims-api generic ip-check rust
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
philis trojan hello
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Reading critical registry keys
Changing a file
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request
Creating a window
Stealing user critical data
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug masquerade microsoft_visual_cc
Verdict:
Malicious
Labled as:
Win64/Inject.CK trojan
Verdict:
Suspicious
Score:
98%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 64 Exe x64
Verdict:
Malicious
Threat:
HEUR:Backdoor.Win64.TGBot
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-08-03 13:23:24 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 37 (51.35%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
ransomware spyware stealer
Behaviour
Sets desktop wallpaper using registry
Looks up external IP address via web service
Reads user/profile data of web browsers
Verdict:
Suspicious
Tags:
External_IP_Lookup IP_address_lookup_website
YARA:
n/a
Unpacked files
SH256 hash:
b031b62b53bd1615778c9186c27f6232981d0176e0b6614dd57721f33874cad2
MD5 hash:
eba2a543352ab5333a0aa369834278c8
SHA1 hash:
8eb9216250fdaf5875a37fc344a64c2dba3e9cf5
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| 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: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| 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 |
| Rule name: | telegram_bot_api |
|---|---|
| Author: | rectifyq |
| Description: | Detects file containing Telegram Bot API |
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| SS_API | Uses SS API | secur32.dll::AcceptSecurityContext secur32.dll::AcquireCredentialsHandleA secur32.dll::ApplyControlToken secur32.dll::DecryptMessage secur32.dll::DeleteSecurityContext secur32.dll::QueryContextAttributesW |
| WIN32_PROCESS_API | Can Create Process and Threads | kernel32.dll::CloseHandle kernel32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | kernel32.dll::LoadLibraryA kernel32.dll::GetSystemInfo |
| WIN_BASE_EXEC_API | Can Execute other programs | kernel32.dll::WriteConsoleW kernel32.dll::GetConsoleMode kernel32.dll::GetConsoleOutputCP |
| WIN_BASE_IO_API | Can Create Files | kernel32.dll::CreateFileW ntdll.dll::NtCreateFile kernel32.dll::DeleteFileW ntdll.dll::NtDeviceIoControlFile |
| WIN_BCRYPT_API | Can Encrypt Files | bcrypt.dll::BCryptGenRandom |
| WIN_CRYPT_API | Uses Windows Crypt API | crypt32.dll::CertAddCertificateContextToStore crypt32.dll::CertDuplicateCertificateChain crypt32.dll::CertDuplicateCertificateContext crypt32.dll::CertDuplicateStore crypt32.dll::CertEnumCertificatesInStore crypt32.dll::CertFreeCertificateChain |
| WIN_REG_API | Can Manipulate Windows Registry | advapi32.dll::RegOpenKeyExW advapi32.dll::RegQueryValueExW |
| WIN_SOCK_API | Uses Network to send and receive data | ws2_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_API | Performs GUI Actions | user32.dll::CreateWindowExW |
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