MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5d70d76b45b0544d3a35075704e9cc6cfc710f26ba4428f5cb771e4447bee5b. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5d70d76b45b0544d3a35075704e9cc6cfc710f26ba4428f5cb771e4447bee5b
SHA3-384 hash: 48a7eddc8d33dcb7a276345d6d1ba0d9b771a85ef09c5c74fe1b6ad4ed96b6e478ebf3defc2509d1284476cf8a1c621d
SHA1 hash: d8a397385f2650d9e3bf1486cf76b13eac435f54
MD5 hash: 6bd9a808fc5a5f04a44b5fc0174c5f4f
humanhash: quiet-delaware-uranus-white
File name:深圳市市场监督管理局拟录用人员-关于李振被录用的一些疑问-准考证号：555026300316.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:1'308'127 bytes
First seen:2024-06-27 13:02:20 UTC
Last seen:2024-06-27 13:36:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 58b390434c1aeb26fa4bb2d553af5c2c (1 x RustyStealer)
ssdeep 24576:PDnkZVzHU/fNsDw4cKumL1FY5MUlBx+Sqq88KivM/X6VKfCXInaXcR2:PzqVz0/WcKfBUHZn88KivEKVKf4IaXcc
TLSH T1FC55AF02BBA46D3CFE5AD174414E56367679788C4272EABB01BEE2302D529536FFC309
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10523/12/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0f0e48292e4e4e8 (1 x RustyStealer)
Reporter vm001cn
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
362
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.HEUR.Trojan.Win32.Generic.13461.17737.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667d635af2a3d25545469f79win10vpnfull_triage
Tags:
Encryption Stealth Heur
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/b5d70d76b45b0544d3a35075704e9cc6cfc710f26ba4428f5cb771e4447bee5b
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:
Unknown
Link:
https://analyze.intezer.com/analyses/9546b5d4-bf4d-4137-90da-95704023dccc
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
23 / 100
Link:
https://www.joesandbox.com/analysis/1463624
Signature
Found API chain indicative of debugger detection
Behaviour
Behavior Graph:
Download SVG
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b5d70d76b45b0544d3a35075704e9cc6cfc710f26ba4428f5cb771e4447bee5b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5d70d76b45b0544d3a35075704e9cc6cfc710f26ba4428f5cb771e4447bee5b/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxlq25vulmcuju5dkb2xatu4y3h4oehsnosefd24w5y6ird35znq._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240627-qacneasfka/
Unpacked files
SH256 hash:
b5d70d76b45b0544d3a35075704e9cc6cfc710f26ba4428f5cb771e4447bee5b
MD5 hash:
6bd9a808fc5a5f04a44b5fc0174c5f4f
SHA1 hash:
d8a397385f2650d9e3bf1486cf76b13eac435f54
Link:
https://www.unpac.me/results/cc598adf-ccef-48c5-8af6-5b2451c4769c/
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/b5d70d76b45b0544d3a35075704e9cc6cfc710f26ba4428f5cb771e4447bee5b

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::CreateFiber
KERNEL32.dll::TerminateProcess
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileW
ntdll.dll::NtCreateFile
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::accept
WS2_32.dll::bind
WS2_32.dll::closesocket
WS2_32.dll::connect
WS2_32.dll::freeaddrinfo
WS2_32.dll::getaddrinfo

Comments