MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3aeef89c7a52c5cf90c94b874e53cf36bc1ea7ac599ebe7d0d0b63b10e2b971c. 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: 12


Intelligence 12 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3aeef89c7a52c5cf90c94b874e53cf36bc1ea7ac599ebe7d0d0b63b10e2b971c
SHA3-384 hash: 287cc1ee41c217ea7116bc512ef59eac5716a60e58b78b11ec0d33980725c8d1112e344738d6ed1abb1f7e8dec4d20c9
SHA1 hash: 70cebc3dbbe175d0c829ab2ce717743329f81d03
MD5 hash: a50d4ee7436779d39c61c1b742c78e0e
humanhash: montana-kilo-pasta-lion
File name:ZD 0811 M012026_xlsx.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:890'427 bytes
First seen:2026-08-11 14:29:18 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:I7jM2y6tsxezPP+dJM+JuUlR8DStszXyDuFi4CQ42ybmzgaQ+KYiTM60T+1rcxMb:2o
TLSH T1A81518B223B15E7DA113F151117D8948205CF083E1BE7F9421E5BD9DBC5FAAA6C888EC
Magika txt
Reporter abuse_ch
Tags:RAT RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
56
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/80352/
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6a7b31cbe90b1a020ea8cf1b/reports/15a19842-4d71-4993-913a-c0509dfa78d0/overview
Verdict:
Malicious
Labled as:
VBS/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/3aeef89c7a52c5cf90c94b874e53cf36bc1ea7ac599ebe7d0d0b63b10e2b971c
Verdict:
Malicious
File Type:
vbs
First seen:
2026-08-11T08:42:00Z UTC
Last seen:
2026-08-12T05:03:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/3aeef89c7a52c5cf90c94b874e53cf36bc1ea7ac599ebe7d0d0b63b10e2b971c/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1956085
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject threads in other processes
Contains functionality to steal Internet Explorer form passwords
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Remcos
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suricata IDS alerts for network traffic
Suspicious execution chain found
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows Shell Script Host drops VBS files
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1956085 Sample: ZD 0811 M012026_xlsx.vbs Startdate: 11/08/2026 Architecture: WINDOWS Score: 100 41 hphisense.store 2->41 43 pki-goog.l.google.com 2->43 45 4 other IPs or domains 2->45 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 14 other signatures 2->55 8 powershell.exe 14 15 2->8         started        12 wscript.exe 1 2 2->12         started        15 wscript.exe 2->15         started        signatures3 process4 dnsIp5 47 hphisense.store 104.21.27.7, 443, 49709, 49713 CLOUDFLARENET-CloudflareIncUS Canada 8->47 71 Writes to foreign memory regions 8->71 73 Modifies the context of a thread in another process (thread injection) 8->73 75 Injects a PE file into a foreign processes 8->75 17 MSBuild.exe 4 3 8->17         started        22 conhost.exe 8->22         started        37 C:\Users\Public\Downloads\z0OeWWFaAG.vbs, Unicode 12->37 dropped 77 Wscript starts Powershell (via cmd or directly) 12->77 79 Obfuscated command line found 12->79 81 Windows Shell Script Host drops VBS files 12->81 83 4 other signatures 12->83 24 powershell.exe 15->24         started        file6 signatures7 process8 dnsIp9 39 dentalux202.ydns.eu 45.148.18.38, 49711, 49712, 58268 OBEHOSTINGObehostingABSE Norway 17->39 31 C:\Users\user\AppData\...\Login Data.tmp, SQLite 17->31 dropped 33 C:\Users\user\AppData\...\Login Data.tmp, SQLite 17->33 dropped 35 C:\Users\user\...\Login Data For Account.tmp, SQLite 17->35 dropped 57 Contains functionality to bypass UAC (CMSTPLUA) 17->57 59 Detected Remcos RAT 17->59 61 Tries to steal Mail credentials (via file registry) 17->61 69 5 other signatures 17->69 63 Writes to foreign memory regions 24->63 65 Modifies the context of a thread in another process (thread injection) 24->65 67 Injects a PE file into a foreign processes 24->67 26 MSBuild.exe 24->26         started        29 conhost.exe 24->29         started        file10 signatures11 process12 signatures13 85 Detected Remcos RAT 26->85
Score:
87%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/3aeef89c7a52c5cf90c94b874e53cf36bc1ea7ac599ebe7d0d0b63b10e2b971c
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3aeef89c7a52c5cf90c94b874e53cf36bc1ea7ac599ebe7d0d0b63b10e2b971c/
Threat name:
Script-JS.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-08-11 14:31:32 UTC
File Type:
Binary
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hlxprhd2klc47egjjodu4u6pg26b5j5mlgpl47inbnr3cdrls4oa._file
Verdict:
malicious
Label(s):
Remcos
Create hunting rule
Link:
https://reports.threatray.com/7bdb70b4-353a-4d60-8cd9-012b37866a80
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:x64 execution persistence rat suricata
Link:
https://tria.ge/reports/260811-rtxy5afr4x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Family: Remcos
Process spawned unexpected child process
Suricata alert: REMCOS RAT Malware Outbound C2 Communication
Malware Config
C2 Extraction:
dentalux202.ydns.eu:58268
dentalux202bk.ydns.eu:58798
Dropper Extraction:
https://hphisense.store/1/MSI_PRO.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3aeef89c7a52c5cf90c94b874e53cf36bc1ea7ac599ebe7d0d0b63b10e2b971c

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Trojan_Remcos_921ef449
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/80352/

Comments