MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3e39efae22fcda501f858229af27be129f178c85723d4477ef9be2f80b61a8fd. 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: | 3e39efae22fcda501f858229af27be129f178c85723d4477ef9be2f80b61a8fd |
|---|---|
| SHA3-384 hash: | b93a57e3e60db8a51d6d7d4b3f17c3ce752c356759360d21f99c99e9abba8c2a5d8a84549add857ead4d54fceef2b38e |
| SHA1 hash: | be03705f33a8205f90330814f525e2e53dfb5871 |
| MD5 hash: | 7162024dc024bb3311ee1cf81f37a791 |
| humanhash: | batman-beryllium-yellow-fruit |
| File name: | 7162024dc024bb3311ee1cf81f37a791 |
| Download: | download sample |
| Signature | RustyStealer |
| File size: | 2'821'120 bytes |
| First seen: | 2024-04-07 17:45:27 UTC |
| Last seen: | 2024-04-07 18:28:15 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3e15aa248ffd863c4d280e6e314baf7c (4 x RustyStealer, 1 x XWorm) |
| ssdeep | 49152:farnjeISX7EXvaqAhxqU3Nu739K+zspq7uSMJN3:fMyRIcSMJN3 |
| TLSH | T13CD52911BB4E9DADC15AC470C2478B626A7170CA0B35BAFF45D486383E69AF51F3C398 |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10523/12/4) 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) |
| Reporter |  zbetcheckin |
| Tags: | 64 exe RustyStealer |
Intelligence
File Origin
# of uploads :
2
# of downloads :
288
Origin country :
FRVendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
3e39efae22fcda501f858229af27be129f178c85723d4477ef9be2f80b61a8fd.exe
Verdict:
Malicious activity
Analysis date:
2024-04-07 18:24:09 UTC
Tags:
rat asyncrat remote
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Reading critical registry keys
Setting a global event handler for the keyboard
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug
Verdict:
Malicious
Labled as:
Trojan.Generic
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
72 / 100
Signature
Antivirus detection for URL or domain
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Score:
6%
Verdict:
Benign
File Type:
PE
Threat name:
Win64.Spyware.Rustystealer
Status:
Malicious
First seen:
2024-04-07 17:46:09 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Unpacked files
SH256 hash:
3e39efae22fcda501f858229af27be129f178c85723d4477ef9be2f80b61a8fd
MD5 hash:
7162024dc024bb3311ee1cf81f37a791
SHA1 hash:
be03705f33a8205f90330814f525e2e53dfb5871
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: | 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
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (FORCE_INTEGRITY) | 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::WriteProcessMemory 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 |
| WIN_BASE_IO_API | Can Create Files | ntdll.dll::NtCreateFile ntdll.dll::NtDeviceIoControlFile kernel32.dll::FindFirstFileW |
| 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 |
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