MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d4ca33cc268361f05552b84f5216a158df5cf89b74ef53e2540c1703594dc79. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: 4d4ca33cc268361f05552b84f5216a158df5cf89b74ef53e2540c1703594dc79
SHA3-384 hash: b8f5821345b36980275bc1eb187c9e657cb124e4669415347aff1a2dfce1bebe0f1a529d3a9d0c0d072cce1b6212e466
SHA1 hash: a1cfc8b723a5ed405e9a2b3768574fbc98c23920
MD5 hash: af6c5ca06f0db83a4dafb88023475c90
humanhash: butter-glucose-aspen-spaghetti
File name:Ref 0180066743.vbs
Download: download sample
Signature RemcosRAT
File size:4'161 bytes
First seen:2021-10-19 06:10:15 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:8vmR3dGeHBjBjBjBjBjBjBjBjBjBjBjBjBjBvBjBjBjBjBjBjBjBjBjBjBjBjBje:ImbG8YLTTnF
Threatray 777 similar samples on MalwareBazaar
TLSH T1BA81AB0B33B26F1BB5F38296C6916ADC59163072122251EBDB172215CF842F32E7639A
Reporter lowmal3
Tags:RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
SUSPICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates an undocumented autostart registry key
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Sigma detected: Suspicious PowerShell Command Line
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell download and execute
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Script.Downloader.Heuristic
Status:
Malicious
First seen:
2021-10-19 06:11:07 UTC
AV detection:
2 of 45 (4.44%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:es 2 rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Blocklisted process makes network request
Remcos
Malware Config
C2 Extraction:
Officialsw.chickenkiller.com:2310
official.ydns.eu:2310
hurricane.ydns.eu:2310
Dropper Extraction:
https://cdn.discordapp.com/attachments/898249047796768771/899886911122968606/bypass_D_4546576879087654324567890.txt
Malware family:
Verdict:
Malicious
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:dsc
Author:Aaron DeVera
Description:Discord domains

File information


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

Malspam

RemcosRAT

Visual Basic Script (vbs) vbs 4d4ca33cc268361f05552b84f5216a158df5cf89b74ef53e2540c1703594dc79

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments