MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 235a3c262109ad2f7954286cb735040785cf8c728ba35eb3d8d7d935db64aab6. 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
AurotunStealer
Vendor detections: 13
| SHA256 hash: | 235a3c262109ad2f7954286cb735040785cf8c728ba35eb3d8d7d935db64aab6 |
|---|---|
| SHA3-384 hash: | 1307827c7fbc07235ed9138af9b6b82efbb6f93dd8c3886df90efbb4aa08dc5a19448e1dda39dfc349d770ead3a6a454 |
| SHA1 hash: | 55479fe8d2f4d2820aefe20d8638ecd934e45bd7 |
| MD5 hash: | 64365308308a008da7e20aa4e9384359 |
| humanhash: | sixteen-uranus-kilo-equal |
| File name: | shield.msi.exe |
| Download: | download sample |
| Signature | AurotunStealer |
| File size: | 24'031'576 bytes |
| First seen: | 2025-06-14 20:50:21 UTC |
| Last seen: | 2025-06-16 20:05:24 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 393216:q5TvHKbEbu2yZRElchPUhbr3s6112p84mBvJhGWKIT0eG077dtnBtQl7aLqRWhgo:Ur1qfcdGyBvbGBITxttBtQ9aL5P |
| Threatray | 338 similar samples on MalwareBazaar |
| TLSH | T1D43733677EA279B9E0980E34DD1BC5858630D3667E53C2AFD552B6ED0482FC30E1368B |
| TrID | 56.5% (.EXE) Win64 Executable (generic) (10522/11/4) 11.0% (.ICL) Windows Icons Library (generic) (2059/9) 10.9% (.EXE) OS/2 Executable (generic) (2029/13) 10.7% (.EXE) Generic Win/DOS Executable (2002/3) 10.7% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  abuse_ch |
| Tags: | AurotunStealer exe |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 84.200.154.105:7712 | https://threatfox.abuse.ch/ioc/1544715/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
693
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
shield.msi
Verdict:
Malicious activity
Analysis date:
2025-06-14 20:27:47 UTC
Tags:
generated-doc evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
96.5%
Tags:
obfuscate xtreme virus
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
base64 invalid-signature masquerade overlay packed signed zero
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Result
Threat name:
Aurotun Stealer, Meduza Stealer, MicroCl
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses ipconfig to lookup or modify the Windows network settings
Yara detected Aurotun Stealer
Yara detected Costura Assembly Loader
Yara detected Meduza Stealer
Yara detected MicroClip
Yara Genericmalware
Behaviour
Behavior Graph:
Score:
93%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-06-13 19:56:47 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
5
AV detection:
17 of 24 (70.83%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
suspicious
Label(s):
purecrypter
Similar samples:
+ 328 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
credential_access discovery spyware stealer
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
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: | botnet_plaintext_c2 |
|---|---|
| Author: | cip |
| Description: | Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols. |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
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 |
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