MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4e6970b3dc07b711dd1c81242c7630bdaee191089abc4fc25167d636e7ecf7c. 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



CobaltStrike


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: d4e6970b3dc07b711dd1c81242c7630bdaee191089abc4fc25167d636e7ecf7c
SHA3-384 hash: 9291509b205bd59fa86a43128ca6cc0fca5ce0829e45a6926de339ac0d9b7b514c8ca94c670efc0201a4409f3af7cefe
SHA1 hash: 7aaf8db5d8f54d39b0d5f5075d40ec04356f4734
MD5 hash: 0bac4defdaa32e2c890218721ff822c1
humanhash: happy-xray-coffee-missouri
File name:1.vbs
Download: download sample
Signature CobaltStrike
File size:84'575 bytes
First seen:2025-01-30 08:54:47 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:2O0mqOTTo7ZyEmOHldhy9B5Lj5JYt8FtHf6Ju32cax03/20FFZo+6DJ1aPm:0/hy9fnXYY6x031FFoDJsPm
TLSH T19F834D929FCA826C3BA030737CCE40B7212ECDE29A7B66E2977888754DE595C55FC107
Magika vba
Reporter JAMESWT_WT
Tags:156-253-250-62 CobaltStrike vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
134
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate xtreme sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated powershell
Result
Verdict:
MALICIOUS
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Result
Threat name:
CobaltStrike, Metasploit
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: PowerShell Base64 Encoded WMI Classes
Sigma detected: Powerup Write Hijack DLL
Sigma detected: Register Wscript In Run Key
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected CobaltStrike
Yara detected Metasploit Payload
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1602867 Sample: 1.vbs Startdate: 30/01/2025 Architecture: WINDOWS Score: 100 133 0x0.st 2->133 139 Sigma detected: Register Wscript In Run Key 2->139 141 Found malware configuration 2->141 143 Malicious sample detected (through community Yara rule) 2->143 145 18 other signatures 2->145 11 wscript.exe 2 2->11         started        15 wscript.exe 2->15         started        17 wscript.exe 2->17         started        19 11 other processes 2->19 signatures3 process4 file5 119 C:\Users\user\AppData\Local\Temp\c.bat, ASCII 11->119 dropped 163 VBScript performs obfuscated calls to suspicious functions 11->163 165 Wscript starts Powershell (via cmd or directly) 11->165 167 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->167 169 Suspicious execution chain found 11->169 21 cmd.exe 1 11->21         started        24 cmd.exe 15->24         started        26 cmd.exe 17->26         started        171 Loading BitLocker PowerShell Module 19->171 28 cmd.exe 19->28         started        30 cmd.exe 19->30         started        32 cmd.exe 19->32         started        34 8 other processes 19->34 signatures6 process7 signatures8 151 Suspicious powershell command line found 21->151 153 Wscript starts Powershell (via cmd or directly) 21->153 155 Bypasses PowerShell execution policy 21->155 36 cmd.exe 2 21->36         started        39 conhost.exe 21->39         started        41 cmd.exe 24->41         started        43 conhost.exe 24->43         started        45 cmd.exe 26->45         started        47 conhost.exe 26->47         started        49 2 other processes 28->49 51 2 other processes 30->51 53 2 other processes 32->53 process9 signatures10 147 Suspicious powershell command line found 36->147 149 Wscript starts Powershell (via cmd or directly) 36->149 55 powershell.exe 36->55         started        60 powershell.exe 35 36->60         started        62 conhost.exe 36->62         started        64 powershell.exe 41->64         started        66 2 other processes 41->66 68 3 other processes 45->68 70 2 other processes 49->70 72 2 other processes 51->72 74 2 other processes 53->74 process11 dnsIp12 135 3.17.10.250, 49738, 49959, 50013 AMAZON-02US United States 55->135 137 0x0.st 168.119.145.117, 443, 49737, 49908 HETZNER-ASDE Germany 55->137 107 C:\Users\user\...\WindowsUpdate_681.vbs, ASCII 55->107 dropped 109 C:\Users\user\...\WindowsUpdate_681.bat, ASCII 55->109 dropped 157 Creates multiple autostart registry keys 55->157 76 WerFault.exe 55->76         started        111 C:\Users\user\AppData\...\2omvxkkq.cmdline, Unicode 60->111 dropped 159 Found suspicious powershell code related to unpacking or dynamic code loading 60->159 161 Loading BitLocker PowerShell Module 60->161 78 csc.exe 3 60->78         started        81 cmstp.exe 8 7 60->81         started        113 C:\Users\user\...\WindowsUpdate_721.vbs, ASCII 64->113 dropped 115 C:\Users\user\...\WindowsUpdate_721.bat, ASCII 64->115 dropped 83 WerFault.exe 64->83         started        87 2 other processes 66->87 117 C:\Users\user\...\WindowsUpdate_622.bat, ASCII 68->117 dropped 89 3 other processes 68->89 91 2 other processes 70->91 93 2 other processes 72->93 85 csc.exe 74->85         started        file13 signatures14 process15 file16 121 C:\Users\user\AppData\Local\...\2omvxkkq.dll, PE32 78->121 dropped 95 cvtres.exe 1 78->95         started        123 C:\Users\user\AppData\Local\...\0mwcoalg.dll, PE32 85->123 dropped 97 cvtres.exe 85->97         started        125 C:\Users\user\AppData\Local\...\2fu10ox4.dll, PE32 87->125 dropped 99 cvtres.exe 87->99         started        127 C:\Users\user\AppData\Local\...\h32f55jc.dll, PE32 89->127 dropped 101 cvtres.exe 89->101         started        129 C:\Users\user\AppData\Local\...\gyz1mnwe.dll, PE32 91->129 dropped 103 cvtres.exe 91->103         started        131 C:\Users\user\AppData\Local\...\nvmzh3vm.dll, PE32 93->131 dropped 105 cvtres.exe 93->105         started        process17
Threat name:
Script-WScript.Backdoor.Cobeacon
Status:
Malicious
First seen:
2025-01-30 08:18:56 UTC
File Type:
Text (VBS)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike backdoor execution persistence trojan
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Cobaltstrike
Cobaltstrike family
Malware Config
C2 Extraction:
http://3.17.10.250:80/EkTY
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:Base64_Encoded_Powershell_Directives

File information


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

Web download

CobaltStrike

Visual Basic Script (vbs) vbs d4e6970b3dc07b711dd1c81242c7630bdaee191089abc4fc25167d636e7ecf7c

(this sample)

  
Delivery method
Distributed via web download

Comments