MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0acd59a36badd6b933593ceb22d48fd22f12827b7fa48f96898920989d78b43a. 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 4 File information Comments

SHA256 hash: 0acd59a36badd6b933593ceb22d48fd22f12827b7fa48f96898920989d78b43a
SHA3-384 hash: de7fe3502761ea3b9c13bc3df69d599b3a5b86c60d99424864b66340d4f286dbf44e37e74918bf238dbcf3ba04bea363
SHA1 hash: bb9eeea966cfd3d937a19ee1911155174cd24f0f
MD5 hash: c53955d9ba35d1a37e54b9ca2abc638d
humanhash: mountain-black-apart-stairway
File name:Update.vbs
Download: download sample
Signature RemcosRAT
File size:5'632'490 bytes
First seen:2025-06-06 05:55:00 UTC
Last seen:2025-06-06 09:07:01 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 49152:cRw4q9Okf8foXPpJgziD8aYgmoO5YjQw9cdziqPb4RhC:6
TLSH T13C46F1CE7D4D9A88885232FA68158592F2CC83E17305E772FD7CC590B3958B8D96B7C2
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence


File Origin
# of uploads :
2
# of downloads :
103
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme shell
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Reflective Assembly Load
Sigma detected: Remcos
Sigma detected: Script Initiated Connection to Non-Local Network
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
System process connects to network (likely due to code injection or exploit)
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1707916 Sample: Update.vbs Startdate: 06/06/2025 Architecture: WINDOWS Score: 100 27 windowsupdates.lovestoblog.com 2->27 29 windows.driversact.store 2->29 31 5 other IPs or domains 2->31 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 15 other signatures 2->49 8 wscript.exe 1 2->8         started        12 svchost.exe 1 1 2->12         started        signatures3 process4 dnsIp5 35 windowsupdates.lovestoblog.com 185.27.134.217, 49683, 80 WILDCARD-ASWildcardUKLimitedGB United Kingdom 8->35 59 System process connects to network (likely due to code injection or exploit) 8->59 61 Suspicious powershell command line found 8->61 63 Wscript starts Powershell (via cmd or directly) 8->63 65 2 other signatures 8->65 14 powershell.exe 14 16 8->14         started        37 127.0.0.1 unknown unknown 12->37 signatures6 process7 dnsIp8 39 link.storjshare.io 136.0.77.2, 443, 49688 EGIHOSTINGUS United States 14->39 41 dn721202.ca.archive.org 204.62.246.193, 443, 49685 COGENT-174US United States 14->41 67 Writes to foreign memory regions 14->67 69 Found suspicious powershell code related to unpacking or dynamic code loading 14->69 71 Injects a PE file into a foreign processes 14->71 18 MSBuild.exe 4 2 14->18         started        23 conhost.exe 14->23         started        signatures9 process10 dnsIp11 33 windows.driversact.store 181.206.158.190, 2404, 49689, 49690 ColombiaMovilCO Colombia 18->33 25 C:\ProgramData\remcos\registros.dat, data 18->25 dropped 51 Contains functionality to bypass UAC (CMSTPLUA) 18->51 53 Detected Remcos RAT 18->53 55 Contains functionalty to change the wallpaper 18->55 57 5 other signatures 18->57 file12 signatures13
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:tp123 discovery execution rat
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
windows.driversact.store:2404
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:RANSOMWARE
Author:ToroGuitar
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Warp
Author:Seth Hardy
Description:Warp
Rule name:WarpStrings
Author:Seth Hardy
Description:Warp Identifying Strings

File information


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

Web download

RemcosRAT

Visual Basic Script (vbs) vbs 0acd59a36badd6b933593ceb22d48fd22f12827b7fa48f96898920989d78b43a

(this sample)

  
Delivery method
Distributed via web download

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