MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6e7e1ddaceee8c401056c0bd2e552c3545f6906b7de4b62ab3a239e5b01dfa7. 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



Vidar


Vendor detections: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: b6e7e1ddaceee8c401056c0bd2e552c3545f6906b7de4b62ab3a239e5b01dfa7
SHA3-384 hash: dee177de1b134c5285fa071c930c7cd4f2566fbc6326bcdcea25f728d7a6a0402f05c71c0f3d4e92e65fc0e7e4a4fc1a
SHA1 hash: d2ae87b41aa4e951c3a3131ce7ebc8969948ed97
MD5 hash: 21c010cf4481df82d7e5e4a0b4260793
humanhash: alaska-sierra-ceiling-autumn
File name:windows.ps1
Download: download sample
Signature Vidar
File size:3'330 bytes
First seen:2025-03-27 18:26:04 UTC
Last seen:2025-03-27 18:26:14 UTC
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 96:AOJp3PsPuPuPgsPkQPoPdPgPZPZLkh+FWJmRq8WjQw:AOJp3PsPuPuPgsPkQPoPdPgPZPZLkh+Q
Threatray 6 similar samples on MalwareBazaar
TLSH T1FC616201273CE31810F983751E48D8A4D63A022F91397964B3CCD9542F361EA5BBFA58
Magika powershell
Reporter JAMESWT_WT
Tags:amshell-ws amssh-ws installsh-pages-dev ps1 ty-ap-4t-com vidar

Intelligence


File Origin
# of uploads :
2
# of downloads :
109
Origin country :
IT IT
Vendor Threat Intelligence
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dropper lolbin msbuild packed persistence
Result
Verdict:
SUSPICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Monitors registry run keys for changes
Powershell drops PE file
Searches for specific processes (likely to inject)
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1650504 Sample: windows.ps1 Startdate: 27/03/2025 Architecture: WINDOWS Score: 100 76 ty.ap.4t.com 2->76 78 xandr-ms-geo.trafficmanager.net 2->78 80 70 other IPs or domains 2->80 112 Suricata IDS alerts for network traffic 2->112 114 Found malware configuration 2->114 116 Malicious sample detected (through community Yara rule) 2->116 118 8 other signatures 2->118 10 powershell.exe 16 36 2->10         started        15 powershell.exe 2->15         started        17 msedge.exe 2->17         started        19 4 other processes 2->19 signatures3 process4 dnsIp5 90 jacrcell.com 179.61.12.111, 443, 49717, 49900 TECNOWEBPERUSACPE Chile 10->90 92 installsh.pages.dev 172.66.47.181, 443, 49890 CLOUDFLARENETUS United States 10->92 70 C:\Users\user\AppData\Local\...\updater.exe, PE32+ 10->70 dropped 72 C:\Users\user\AppData\...\WindowsUpdate.ps1, ASCII 10->72 dropped 136 Found many strings related to Crypto-Wallets (likely being stolen) 10->136 138 Creates autostart registry keys with suspicious values (likely registry only malware) 10->138 140 Found suspicious powershell code related to unpacking or dynamic code loading 10->140 21 updater.exe 10->21         started        24 conhost.exe 10->24         started        74 C:\Users\user\AppData\Local\...\updater.exe, PE32+ 15->74 dropped 142 Loading BitLocker PowerShell Module 15->142 144 Powershell drops PE file 15->144 26 conhost.exe 15->26         started        94 192.168.2.6 unknown unknown 17->94 96 192.168.2.8 unknown unknown 17->96 98 239.255.255.250 unknown Reserved 17->98 28 msedge.exe 17->28         started        31 msedge.exe 17->31         started        39 2 other processes 17->39 33 msedge.exe 19->33         started        35 msedge.exe 19->35         started        37 msedge.exe 19->37         started        file6 signatures7 process8 dnsIp9 120 Antivirus detection for dropped file 21->120 122 Writes to foreign memory regions 21->122 124 Allocates memory in foreign processes 21->124 126 Injects a PE file into a foreign processes 21->126 41 MSBuild.exe 53 21->41         started        100 18.164.116.122, 443, 49819 MIT-GATEWAYSUS United States 28->100 102 sb.scorecardresearch.com 18.164.116.98, 443, 49797, 49987 MIT-GATEWAYSUS United States 28->102 104 36 other IPs or domains 28->104 signatures10 process11 dnsIp12 84 ty.ap.4t.com 88.99.125.82, 443, 49719, 49720 HETZNER-ASDE Germany 41->84 86 t.me 149.154.167.99, 443, 49718, 49901 TELEGRAMRU United Kingdom 41->86 88 127.0.0.1 unknown unknown 41->88 128 Attempt to bypass Chrome Application-Bound Encryption 41->128 130 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 41->130 132 Found many strings related to Crypto-Wallets (likely being stolen) 41->132 134 5 other signatures 41->134 45 msedge.exe 2 11 41->45         started        48 msedge.exe 41->48         started        50 msedge.exe 41->50         started        52 3 other processes 41->52 signatures13 process14 dnsIp15 146 Monitors registry run keys for changes 45->146 55 msedge.exe 45->55         started        57 msedge.exe 48->57         started        59 msedge.exe 50->59         started        82 192.168.2.5, 443, 49688, 49690 unknown unknown 52->82 61 chrome.exe 52->61         started        64 chrome.exe 52->64         started        66 msedge.exe 52->66         started        68 2 other processes 52->68 signatures16 process17 dnsIp18 106 ogads-pa.clients6.google.com 142.250.65.170, 443, 49751, 49753 GOOGLEUS United States 61->106 108 www.google.com 142.250.81.228, 443, 49736, 49739 GOOGLEUS United States 61->108 110 3 other IPs or domains 61->110
Threat name:
Script-PowerShell.Downloader.Nemucod
Status:
Malicious
First seen:
2025-03-27 08:52:33 UTC
File Type:
Text (PowerShell)
AV detection:
3 of 24 (12.50%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:00cb84c6bd4caac4bdfc1131beae4df7 credential_access defense_evasion discovery execution persistence spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
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
Browser Information Discovery
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Hide Artifacts: Hidden Window
Executes dropped EXE
Unsecured Credentials: Credentials In Files
Blocklisted process makes network request
Downloads MZ/PE file
Uses browser remote debugging
Detect Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/lw25chm
https://steamcommunity.com/profiles/76561199839170361
Dropper Extraction:
https://jacrcell.com/joomla/crypted.exe
https://installsh.pages.dev/config.ps1
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:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:SUSP_PowerShell_Base64_Decode
Author:SECUINFRA Falcon Team
Description:Detects PowerShell code to decode Base64 data. This can yield many FP

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments