MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efcdd5a6e75a29d9cd332206373e1d9878be73da3c7eddf0c251f5750e9a3f9e. 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



MetaStealer


Vendor detections: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: efcdd5a6e75a29d9cd332206373e1d9878be73da3c7eddf0c251f5750e9a3f9e
SHA3-384 hash: 16a199108031199e1ef771f825886813c3684e60b4f675aa6e3aa572df7341a835f97fd10e1e67ffbf7d4e6cf8d19a91
SHA1 hash: 993381ec650dc98fe50f75899fa443c48a1dc377
MD5 hash: 792cb9ba2f8d2cc81f3563170c9337c5
humanhash: burger-green-ack-chicken
File name:setup1.msi
Download: download sample
Signature MetaStealer
File size:1'798'144 bytes
First seen:2025-09-25 20:32:52 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 24576:et9cpVDhUuW/wxRazJZ6X3Q1+w61Q7dRV:hpRhU//wTazJZ+6X61QnV
TLSH T1138523D13784C127C95B09324E67C79E2769FCD0AE30B08B77A0BB5E5A38AD35D29742
TrID 98.2% (.MSI) Microsoft Windows Installer (454500/1/170)
1.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter smica83
Tags:46-28-71-43--8080 metastealer msi

Intelligence


File Origin
# of uploads :
1
# of downloads :
61
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
70%
Tags:
shellcode spawn sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt crypto expand fingerprint fingerprint installer keylogger lolbin packed wix
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:
Malicious
File Type:
msi
First seen:
2025-09-25T14:21:00Z UTC
Last seen:
2025-09-25T14:21:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.OLE2.Agent.gen HEUR:Trojan.Win32.Heavy.gen
Result
Threat name:
Metastealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates files in the system32 config directory
Drops large PE files
Found API chain indicative of debugger detection
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes or reads registry keys via WMI
Yara detected Metastealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1784466 Sample: setup1.msi Startdate: 25/09/2025 Architecture: WINDOWS Score: 100 93 wkkuakciqmwewgyk.xyz 2->93 103 Suricata IDS alerts for network traffic 2->103 105 Found malware configuration 2->105 107 Antivirus detection for URL or domain 2->107 111 6 other signatures 2->111 10 msiexec.exe 3 10 2->10         started        13 cmd.exe 2->13         started        16 msedge.exe 115 401 2->16         started        19 msiexec.exe 5 2->19         started        signatures3 109 Performs DNS queries to domains with low reputation 93->109 process4 dnsIp5 85 C:\Windows\Installer\MSIFC9B.tmp, PE32 10->85 dropped 21 msiexec.exe 5 10->21         started        137 Creates files in the system32 config directory 13->137 23 nvidia_upd.exe 13->23         started        26 conhost.exe 13->26         started        87 192.168.2.5, 138, 443, 49675 unknown unknown 16->87 89 192.168.2.24 unknown unknown 16->89 91 239.255.255.250 unknown Reserved 16->91 28 msedge.exe 16->28         started        31 msedge.exe 16->31         started        33 msedge.exe 16->33         started        35 3 other processes 16->35 file6 signatures7 process8 dnsIp9 37 setup1.exe 10 21->37         started        42 expand.exe 5 21->42         started        44 cmd.exe 2 21->44         started        46 icacls.exe 1 21->46         started        121 Multi AV Scanner detection for dropped file 23->121 123 Found API chain indicative of debugger detection 23->123 125 Adds a directory exclusion to Windows Defender 23->125 48 powershell.exe 23->48         started        50 powershell.exe 23->50         started        97 part-0042.t-0009.t-msedge.net 13.107.246.70, 443, 49697, 49713 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 28->97 99 ln-0007.ln-msedge.net 150.171.22.17, 443, 49692 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 28->99 101 13 other IPs or domains 28->101 signatures10 process11 dnsIp12 95 wkkuakciqmwewgyk.xyz 34.26.64.231, 443, 49723, 49740 ATGS-MMD-ASUS United States 37->95 79 C:\Users\user\AppData\...\nvidia_upd.exe, PE32 37->79 dropped 127 Found many strings related to Crypto-Wallets (likely being stolen) 37->127 129 Tries to harvest and steal browser information (history, passwords, etc) 37->129 131 Drops large PE files 37->131 133 Adds a directory exclusion to Windows Defender 37->133 52 powershell.exe 37->52         started        55 systeminfo.exe 37->55         started        57 powershell.exe 37->57         started        81 C:\Users\user\AppData\...\setup1.exe (copy), PE32 42->81 dropped 83 C:\...\1a1f39d1a4d7244f8d3657729f9239b1.tmp, PE32 42->83 dropped 59 conhost.exe 42->59         started        61 msedge.exe 11 44->61         started        63 conhost.exe 44->63         started        65 conhost.exe 46->65         started        135 Loading BitLocker PowerShell Module 48->135 67 conhost.exe 48->67         started        69 conhost.exe 50->69         started        file13 signatures14 process15 signatures16 113 Found many strings related to Crypto-Wallets (likely being stolen) 52->113 115 Loading BitLocker PowerShell Module 52->115 71 conhost.exe 52->71         started        117 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 55->117 119 Writes or reads registry keys via WMI 55->119 73 conhost.exe 55->73         started        75 conhost.exe 57->75         started        77 msedge.exe 61->77         started        process17
Verdict:
Malware
YARA:
4 match(es)
Tags:
CAB:COMPRESSION:LZX DeObfuscated Executable Obfuscated Office Document PDB Path PE (Portable Executable) PE File Layout T1059.005 VBScript WScript.Shell
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-09-25 19:37:41 UTC
File Type:
Binary (Archive)
Extracted files:
7
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence privilege_escalation ransomware
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Enumerates connected drives
Modifies file permissions
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__API
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.

MetaStealer

Microsoft Software Installer (MSI) msi efcdd5a6e75a29d9cd332206373e1d9878be73da3c7eddf0c251f5750e9a3f9e

(this sample)

Comments