MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63996411977b3f59cee9b839e79955227b66ef2cf7ddd9ee388ad4fdc5559045. 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



Smoke Loader


Vendor detections: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 63996411977b3f59cee9b839e79955227b66ef2cf7ddd9ee388ad4fdc5559045
SHA3-384 hash: f0ba8c375340261ef5705943dc73eb5e91789fe5e7572df8b0b2380018baefb8de1d457881d6899ff1298b104f88db53
SHA1 hash: 55f89ea7ec19fd9bad79d119e5e0d2bb5eb86a17
MD5 hash: 9f1733aa2737250f3e253416eece168d
humanhash: angel-pip-seventeen-thirteen
File name:veryeasythingsevermadeforcreatenewthignsbetterthigns.hta
Download: download sample
Signature Smoke Loader
File size:133'648 bytes
First seen:2024-10-23 06:05:51 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 96:Eam7jmsLsms3IRiYbgYVwJ8gV8nmsims5m93msK7T:Ea26enRyYA+8mUrT
Threatray 1'649 similar samples on MalwareBazaar
TLSH T1D7D33DA6ED391DECF3DC5A9B75FDB2E8311E131BA3192FA1600F7991C89234C60C4126
Magika txt
Reporter abuse_ch
Tags:hta Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
Powershell Gumen
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Payload URLs
URL
File name
http://172.245.135.166/600/seethebestthingsentiretimewithgreatthignstoebe.tIF
HTA File
Behaviour
BlacklistAPI detected
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Hidden Powershell
Detected a pivot to Powershell that utilizes commonly nefarious attributes such as '-windowstyle hidden'.
Result
Threat name:
Cobalt Strike, SmokeLoader
Detection:
malicious
Classification:
bank.troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Benign windows process drops PE files
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if browser processes are running
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to compare user and computer (likely to detect sandboxes)
Creates a thread in another existing process (thread injection)
Detected Cobalt Strike Beacon
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Obfuscated command line found
PowerShell case anomaly found
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1539853 Sample: veryeasythingsevermadeforcr... Startdate: 23/10/2024 Architecture: WINDOWS Score: 100 76 prolinice.ga 2->76 78 drive.usercontent.google.com 2->78 80 drive.google.com 2->80 90 Multi AV Scanner detection for domain / URL 2->90 92 Suricata IDS alerts for network traffic 2->92 94 Found malware configuration 2->94 96 16 other signatures 2->96 14 mshta.exe 1 2->14         started        17 wihaduv 2->17         started        signatures3 process4 signatures5 144 Detected Cobalt Strike Beacon 14->144 146 Suspicious powershell command line found 14->146 148 PowerShell case anomaly found 14->148 19 powershell.exe 3 39 14->19         started        24 conhost.exe 17->24         started        process6 dnsIp7 82 172.245.135.166, 49732, 49913, 80 AS-COLOCROSSINGUS United States 19->82 68 seethebestthingsen...ewithgreatthign.vbS, Unicode 19->68 dropped 70 C:\Users\user\AppData\...\zrs0mlof.cmdline, Unicode 19->70 dropped 104 Detected Cobalt Strike Beacon 19->104 106 Suspicious powershell command line found 19->106 108 Obfuscated command line found 19->108 110 Found suspicious powershell code related to unpacking or dynamic code loading 19->110 26 wscript.exe 1 19->26         started        29 powershell.exe 21 19->29         started        31 csc.exe 3 19->31         started        34 conhost.exe 19->34         started        file8 signatures9 process10 file11 130 Detected Cobalt Strike Beacon 26->130 132 Suspicious powershell command line found 26->132 134 Wscript starts Powershell (via cmd or directly) 26->134 138 3 other signatures 26->138 36 powershell.exe 7 26->36         started        136 Loading BitLocker PowerShell Module 29->136 74 C:\Users\user\AppData\Local\...\zrs0mlof.dll, PE32 31->74 dropped 39 cvtres.exe 1 31->39         started        signatures12 process13 signatures14 98 Detected Cobalt Strike Beacon 36->98 100 Suspicious powershell command line found 36->100 102 Obfuscated command line found 36->102 41 powershell.exe 15 16 36->41         started        45 conhost.exe 36->45         started        process15 dnsIp16 86 drive.usercontent.google.com 142.250.185.193, 443, 49778 GOOGLEUS United States 41->86 88 drive.google.com 142.250.186.78, 443, 49772 GOOGLEUS United States 41->88 140 Writes to foreign memory regions 41->140 142 Injects a PE file into a foreign processes 41->142 47 aspnet_regbrowsers.exe 41->47         started        50 aspnet_regbrowsers.exe 41->50         started        signatures17 process18 signatures19 150 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 47->150 152 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 47->152 154 Maps a DLL or memory area into another process 47->154 158 2 other signatures 47->158 52 explorer.exe 47->52 injected 156 Switches to a custom stack to bypass stack traces 50->156 process20 dnsIp21 84 prolinice.ga 45.91.8.152, 49980, 49981, 80 SERV-TECHRU Russian Federation 52->84 72 C:\Users\user\AppData\Roaming\wihaduv, PE32 52->72 dropped 112 Benign windows process drops PE files 52->112 114 Injects code into the Windows Explorer (explorer.exe) 52->114 116 Writes to foreign memory regions 52->116 118 Hides that the sample has been downloaded from the Internet (zone.identifier) 52->118 57 explorer.exe 52->57         started        60 explorer.exe 52->60         started        62 explorer.exe 52->62         started        64 6 other processes 52->64 file22 signatures23 process24 signatures25 120 System process connects to network (likely due to code injection or exploit) 57->120 122 Found evasive API chain (may stop execution after checking mutex) 57->122 124 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 57->124 128 3 other signatures 57->128 126 Tries to harvest and steal browser information (history, passwords, etc) 60->126 66 WerFault.exe 64->66         started        process26
Threat name:
Script-WScript.Phishing.Asthma
Status:
Malicious
First seen:
2024-10-23 03:01:39 UTC
File Type:
Text
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor defense_evasion discovery execution trojan
Behaviour
Checks SCSI registry key(s)
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Evasion via Device Credential Deployment
SmokeLoader
Malware Config
Dropper Extraction:
https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Smoke Loader

HTML Application (hta) hta 63996411977b3f59cee9b839e79955227b66ef2cf7ddd9ee388ad4fdc5559045

(this sample)

  
Delivery method
Distributed via web download

Comments