MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99a0f2de32a6c804842d1e0a0370af980f922aa4b5d8be9d4834911891695ceb. 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



RemcosRAT


Vendor detections: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 99a0f2de32a6c804842d1e0a0370af980f922aa4b5d8be9d4834911891695ceb
SHA3-384 hash: 7daa7ac58e44984dae245abaf235105058166e3afd240e34831b1dd155c89c8778ea07cbc2b93cf4ac58de21b43daa86
SHA1 hash: b3f0788b218577456887e31d365848000aa72a60
MD5 hash: d8c516959ec5b1379fc9fcc30def38a1
humanhash: fourteen-wolfram-high-robert
File name:d8c516959ec5b1379fc9fcc30def38a1.hta
Download: download sample
Signature RemcosRAT
File size:117'551 bytes
First seen:2024-08-27 05:39:13 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 96:Ea+M7KT7B66Z7riT7S66Z7rNI3rfLS6MeGJcT7IT7B66Z7reT718AT:Ea+Qw7BFtrY7SFtrN4EQ727BFtrM71LT
TLSH T17AB3CBE0EF324CDDB3CC5A93B6FD66CC7A2C970357666F89862B3A42D85134DA4C2119
Magika txt
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
114
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
Execution Exploit Generic Network Stealth Trojan W97m
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Payload URLs
URL
File name
http://192.3.193.155/M2608T/csrss.exe
HTA File
Behaviour
BlacklistAPI detected
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
Cobalt Strike, Remcos
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected Cobalt Strike Beacon
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PowerShell case anomaly found
Powershell drops PE file
Sigma detected: Bypass UAC via Fodhelper.exe
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Drops script at startup location
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious command line found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1499543 Sample: Ksgs8LaExD.hta Startdate: 27/08/2024 Architecture: WINDOWS Score: 100 85 Multi AV Scanner detection for domain / URL 2->85 87 Suricata IDS alerts for network traffic 2->87 89 Found malware configuration 2->89 91 16 other signatures 2->91 14 mshta.exe 1 2->14         started        17 wscript.exe 1 2->17         started        process3 signatures4 121 Suspicious command line found 14->121 123 PowerShell case anomaly found 14->123 19 cmd.exe 1 14->19         started        125 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->125 22 ddd.exe 2 17->22         started        process5 signatures6 99 Detected Cobalt Strike Beacon 19->99 101 Suspicious powershell command line found 19->101 103 PowerShell case anomaly found 19->103 24 powershell.exe 45 19->24         started        29 conhost.exe 19->29         started        105 Binary is likely a compiled AutoIt script file 22->105 31 ddd.exe 22->31         started        process7 dnsIp8 81 192.3.193.155, 49699, 80 AS-COLOCROSSINGUS United States 24->81 73 C:\Users\user\AppData\Roaming\fodhelper.exe, PE32 24->73 dropped 75 C:\Users\user\AppData\Local\...\csrss[1].exe, PE32 24->75 dropped 77 C:\Users\user\AppData\...\mbl45wl0.cmdline, Unicode 24->77 dropped 109 Loading BitLocker PowerShell Module 24->109 111 Powershell drops PE file 24->111 33 fodhelper.exe 6 24->33         started        37 csc.exe 3 24->37         started        39 ddd.exe 31->39         started        file9 signatures10 process11 file12 69 C:\Users\user\AppData\Local\...\ddd.exe, PE32 33->69 dropped 93 Multi AV Scanner detection for dropped file 33->93 95 Binary is likely a compiled AutoIt script file 33->95 97 Found API chain indicative of sandbox detection 33->97 41 ddd.exe 3 33->41         started        71 C:\Users\user\AppData\Local\...\mbl45wl0.dll, PE32 37->71 dropped 45 cvtres.exe 1 37->45         started        47 ddd.exe 39->47         started        signatures13 process14 file15 79 C:\Users\user\AppData\Roaming\...\ddd.vbs, data 41->79 dropped 113 Multi AV Scanner detection for dropped file 41->113 115 Binary is likely a compiled AutoIt script file 41->115 117 Drops VBS files to the startup folder 41->117 119 Found API chain indicative of sandbox detection 41->119 49 ddd.exe 2 41->49         started        52 ddd.exe 47->52         started        signatures16 process17 signatures18 83 Binary is likely a compiled AutoIt script file 49->83 54 ddd.exe 2 49->54         started        57 ddd.exe 52->57         started        process19 signatures20 107 Binary is likely a compiled AutoIt script file 54->107 59 ddd.exe 54->59         started        61 ddd.exe 57->61         started        process21 process22 63 ddd.exe 59->63         started        65 ddd.exe 61->65         started        process23 67 ddd.exe 63->67         started       
Threat name:
Script-WScript.Trojan.Asthma
Status:
Malicious
First seen:
2024-08-26 06:56:53 UTC
File Type:
Text
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
AutoIT Executable
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Evasion via Device Credential Deployment
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

RemcosRAT

HTML Application (hta) hta 99a0f2de32a6c804842d1e0a0370af980f922aa4b5d8be9d4834911891695ceb

(this sample)

  
Delivery method
Distributed via web download

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