MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 528d569e3c55bab9d8d7908bb70e51efa1532eaae2ce097a7884b5bf5e239726. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 528d569e3c55bab9d8d7908bb70e51efa1532eaae2ce097a7884b5bf5e239726
SHA3-384 hash: ca411cd3448a22bb4a28ca84bbf34e4ef03b81343d16c63ef1447ea5d170458a7f90a3de9258ae03b88219d584a4bf45
SHA1 hash: 1b87386ed8153acdb3c2f5d8a29fa50cb51a40d2
MD5 hash: 4725ad709f7fed0f174270cc18dc7b75
humanhash: louisiana-beer-cold-edward
File name:4725ad709f7fed0f174270cc18dc7b75
Download: download sample
Signature RustyStealer
Create hunting rule
File size:2'821'120 bytes
First seen:2024-04-13 00:34:24 UTC
Last seen:2024-04-13 01:25:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3e15aa248ffd863c4d280e6e314baf7c (4 x RustyStealer, 1 x XWorm)
ssdeep 49152:Gxrumsc+WqEXvBq18wqU+muOkYb+zspq7upPJ3+:GvLYnZpPJ3+
TLSH T12FD52911BB4E9DADC15AC470C2478B626A7170CA0B35BAFF45D486383E69AF51F3C398
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 :
450
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
528d569e3c55bab9d8d7908bb70e51efa1532eaae2ce097a7884b5bf5e239726.exe
Verdict:
Malicious activity
Analysis date:
2024-04-13 00:36:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/28a02e5d-a3e6-492f-9531-9d1d6721281c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/6619d3380b46b3036934186f/reports/8d58904e-14d8-4224-84e2-9bc44bf387a7/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/528d569e3c55bab9d8d7908bb70e51efa1532eaae2ce097a7884b5bf5e239726
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
Link:
https://analyze.intezer.com/analyses/684b70cb-966d-4690-a2ee-c98c974600f9
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1425308
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Score:
6%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/528d569e3c55bab9d8d7908bb70e51efa1532eaae2ce097a7884b5bf5e239726
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/528d569e3c55bab9d8d7908bb70e51efa1532eaae2ce097a7884b5bf5e239726/
Threat name:
Win64.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-13 00:35:06 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kkgvnhr4kw5ltwgxscf3odsr56qvglvk4lhas6tyqs236xrds4ta._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240413-axb3dsgh94/
Unpacked files
SH256 hash:
528d569e3c55bab9d8d7908bb70e51efa1532eaae2ce097a7884b5bf5e239726
MD5 hash:
4725ad709f7fed0f174270cc18dc7b75
SHA1 hash:
1b87386ed8153acdb3c2f5d8a29fa50cb51a40d2
Link:
https://www.unpac.me/results/c2637608-2611-48c7-8f98-9a5e4f0c25fe/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/528d569e3c55/report/overview.html
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/528d569e3c55bab9d8d7908bb70e51efa1532eaae2ce097a7884b5bf5e239726

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: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 528d569e3c55bab9d8d7908bb70e51efa1532eaae2ce097a7884b5bf5e239726

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2810433/

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 (FORCE_INTEGRITY)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::WriteProcessMemory
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Filesntdll.dll::NtCreateFile
ntdll.dll::NtDeviceIoControlFile
kernel32.dll::FindFirstFileW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptGenRandom
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


Avatar
zbet commented on 2024-04-13 00:34:25 UTC

url : hxxp://88.218.61.219/ttrr.exe