MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfaaf672b1741b950b48b3f2296d79bf38c18bc8f14fd1b38905721299811386. 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: 14


Intelligence 14 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfaaf672b1741b950b48b3f2296d79bf38c18bc8f14fd1b38905721299811386
SHA3-384 hash: 214d47f2e103c5c60c1e2743accd4cb1dae9b06e386c9efc5567c74815e2fffef16b910e24a7f24d394fa70fec1b4b43
SHA1 hash: 3057ca57a6346a718b51c53259f63d58a274febe
MD5 hash: 98e3aeec9930f862d54a8dbb61f4b554
humanhash: ten-magnesium-iowa-idaho
File name:BFTI_EFT7602025082017070056_34_760.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:28'975 bytes
First seen:2025-08-25 13:50:39 UTC
Last seen:2025-09-02 20:49:23 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 384:WLgFhg5nG6FwmXvJlxFxYXN/MEaRvAhpKoi0sVRXCSlah9HsSoSHHVFADn:WMFhg5nZFwmR7efvKRyZHHVmn
Threatray 1'390 similar samples on MalwareBazaar
TLSH T127D2D766BE2DD3264814020DFFCB2C16DE6C44904E0591A5FB3CCD9C1E2A42A9FB6E77
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
2
# of downloads :
58
Origin country :
SE SE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/23459/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ac6a6feb163e0ec182af92
Tags:
obfuscate valyria xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 evasive obfuscated obfuscated opendir opendir powershell
Link:
https://www.filescan.io/uploads/68ac6b0c28a89d9dd4f38bef/reports/63dc86b4-78e9-447d-aaa6-eb53d430c335/overview
Verdict:
Malicious
Labled as:
Valyria
Link:
https://www.hybrid-analysis.com/sample/bfaaf672b1741b950b48b3f2296d79bf38c18bc8f14fd1b38905721299811386
Verdict:
Malicious
File Type:
vbs
First seen:
2025-08-25T09:15:00Z UTC
Last seen:
2025-08-25T09:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bfaaf672b1741b950b48b3f2296d79bf38c18bc8f14fd1b38905721299811386/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1764614
Signature
C2 URLs / IPs found in malware configuration
Command shell drops VBS files
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
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates processes via WMI
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)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
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 download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1764614 Sample: BFTI_EFT7602025082017070056... Startdate: 25/08/2025 Architecture: WINDOWS Score: 100 44 pastefy.app 2->44 46 geoplugin.net 2->46 74 Suricata IDS alerts for network traffic 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 14 other signatures 2->80 8 powershell.exe 15 16 2->8         started        12 wscript.exe 2->12         started        14 wscript.exe 2->14         started        16 3 other processes 2->16 signatures3 process4 dnsIp5 52 pastefy.app 49.13.5.8, 443, 49693 HETZNER-ASDE Germany 8->52 54 192.3.177.152, 49692, 49700, 80 AS-COLOCROSSINGUS United States 8->54 84 Creates autostart registry keys with suspicious values (likely registry only malware) 8->84 86 Writes to foreign memory regions 8->86 88 Injects a PE file into a foreign processes 8->88 18 CasPol.exe 8->18         started        21 CasPol.exe 4 13 8->21         started        24 cmd.exe 2 8->24         started        27 conhost.exe 8->27         started        90 Suspicious powershell command line found 12->90 92 Wscript starts Powershell (via cmd or directly) 12->92 94 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->94 96 2 other signatures 12->96 29 powershell.exe 14->29         started        56 127.0.0.1 unknown unknown 16->56 31 CasPol.exe 16->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 58 Contains functionality to bypass UAC (CMSTPLUA) 18->58 60 Contains functionalty to change the wallpaper 18->60 62 Contains functionality to steal Chrome passwords or cookies 18->62 72 2 other signatures 18->72 48 45.221.64.233, 465, 49694 ASDETUKhttpwwwheficedcomGB Seychelles 21->48 50 geoplugin.net 178.237.33.50, 49695, 80 ATOM86-ASATOM86NL Netherlands 21->50 64 Detected Remcos RAT 21->64 42 C:\Users\Public\Downloads\RvfdKMRSNw.vbs, data 24->42 dropped 66 Command shell drops VBS files 24->66 35 conhost.exe 24->35         started        68 Writes to foreign memory regions 29->68 70 Injects a PE file into a foreign processes 29->70 37 CasPol.exe 29->37         started        40 conhost.exe 29->40         started        file9 signatures10 process11 signatures12 82 Detected Remcos RAT 37->82
Score:
1%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/bfaaf672b1741b950b48b3f2296d79bf38c18bc8f14fd1b38905721299811386
Verdict:
Malware
YARA:
1 match(es)
Tags:
Batch Command DeObfuscated PowerShell PowerShell Call Scripting.FileSystemObject SMTPControl.SMTP VBScript
Link:
https://app.malva.re/file/98e3aeec9930f862d54a8dbb61f4b554
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bfaaf672b1741b950b48b3f2296d79bf38c18bc8f14fd1b38905721299811386/
Threat name:
Script-WScript.Trojan.Valyria
Create hunting rule
Status:
Malicious
First seen:
2025-08-25 13:56:45 UTC
File Type:
Text (VBS)
AV detection:
10 of 23 (43.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6vpm4vroqnzkc2iwpzcs3lzx44mdc6i6fh5dm4javzbfgmbcoda._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
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RemcosRAT
567f768cff1b5969e082271fd31ed9bd6d1b264ba2f2525937e12006a5569977
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6bc677ac4c36cb99e3170edb2b29b8e8b47399a2896f8f0c6fa998b4337bcf35
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b913d0ba4c81312099d6776c0c0806486254be12e7b0cb0ce19b9fa9203397f3
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c208d8d0493c60f14172acb4549dcb394d2b92d30bcae4880e66df3c3a7100e4
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d58ef7f6352296a5f9052e5bb522a0556037f373b27dd1bf4c53a521f0f7a0a8
RemcosRAT
dacfee8b1805f6536369bf401c7104946429f2e68c4e7143b60d9153b23c7c76
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e119c6c5485307075a1e5d0950a77f978f7f17e23c315ed8c38cc1259b8af26f
RemcosRAT
error
RemcosRAT
+ 1'380 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos defense_evasion discovery execution persistence rat
Link:
https://tria.ge/reports/250825-q76yhsxqt2/
Behaviour
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
Adds Run key to start application
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
Process spawned unexpected child process
Remcos
Remcos family
Malware Config
C2 Extraction:
45.221.64.233:465
Dropper Extraction:
http://192.3.177.152/xampp/optimized_MSI.png
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bfaaf672b174/report/overview.html
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/bfaaf672b1741b950b48b3f2296d79bf38c18bc8f14fd1b38905721299811386

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/23459/

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