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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e51ee5140bead9c974f22988b80899cc2d10ab9efe6301853f2babe552c330f3. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e51ee5140bead9c974f22988b80899cc2d10ab9efe6301853f2babe552c330f3
SHA3-384 hash: 6f1eac43948e6a0184462a1a1413755afae1612f442d919a18edb84ee2e7a97110e9f8b557324416538a23cfa44b9890
SHA1 hash: 95d8bab53721ed6f46f6bb1615e6262e6783889a
MD5 hash: a3d781b345281e22a0b20a614e324f6e
humanhash: xray-seven-bakerloo-arizona
File name:Phyllosoma.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:65'343 bytes
First seen:2026-09-14 03:11:48 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:ToscEILBtFSUkV2ThTklHU5hWa4BnUan3pY9:ToscJvkAhTwHDa4JDn5+
TLSH T1F5535C25DE941B160F8B27ABFC451A62C9BC8515452304F4FEEC734D610FAACB3BD22A
Magika vba
Reporter threatcat_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/85312/
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cloudeye cmd lolbin
Link:
https://www.filescan.io/uploads/6aa76609d814cc4c19da13c6/reports/4200a00b-9be2-44ce-882c-17111625df28/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/e51ee5140bead9c974f22988b80899cc2d10ab9efe6301853f2babe552c330f3
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-13T22:57:00Z UTC
Last seen:
2026-09-16T01:17:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/e51ee5140bead9c974f22988b80899cc2d10ab9efe6301853f2babe552c330f3/results?tab=lookup
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1972468
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to steal Internet Explorer form passwords
Detected Remcos RAT
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1972468 Sample: Phyllosoma.vbs Startdate: 14/09/2026 Architecture: WINDOWS Score: 100 42 drive.usercontent.google.com 2->42 44 drive.google.com 2->44 46 bg.microsoft.map.fastly.net 2->46 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 6 other signatures 2->64 10 wscript.exe 1 2->10         started        13 svchost.exe 1 1 2->13         started        signatures3 process4 dnsIp5 72 VBScript performs obfuscated calls to suspicious functions 10->72 74 Wscript starts Powershell (via cmd or directly) 10->74 76 Obfuscated command line found 10->76 78 3 other signatures 10->78 16 cmd.exe 1 10->16         started        54 127.0.0.1 unknown unknown 13->54 signatures6 process7 signatures8 56 Wscript starts Powershell (via cmd or directly) 16->56 19 powershell.exe 1 16 16->19         started        23 conhost.exe 16->23         started        25 cmd.exe 1 16->25         started        process9 dnsIp10 48 drive.usercontent.google.com 142.251.215.65, 443, 49700, 49715 GOOGLE-GoogleLLCUS United States 19->48 50 drive.google.com 142.251.218.14, 443, 49699, 49714 GOOGLE-GoogleLLCUS United States 19->50 66 Writes to foreign memory regions 19->66 68 Found suspicious powershell code related to unpacking or dynamic code loading 19->68 70 Switches to a custom stack to bypass stack traces 19->70 27 backgroundTaskHost.exe 4 9 19->27         started        32 backgroundTaskHost.exe 19->32         started        signatures11 process12 dnsIp13 52 91.92.41.94, 2404, 49716, 49717 SINOWORLDWIDEHK Bulgaria 27->52 36 C:\Users\user\AppData\...\Login Data.tmp, SQLite 27->36 dropped 38 C:\Users\user\AppData\...\Login Data.tmp, SQLite 27->38 dropped 40 C:\Users\user\...\Login Data For Account.tmp, SQLite 27->40 dropped 80 Detected Remcos RAT 27->80 82 Tries to harvest and steal browser information (history, passwords, etc) 27->82 34 backgroundTaskHost.exe 27->34         started        84 Contains functionality to steal Internet Explorer form passwords 32->84 86 Unusual module load detection (module proxying) 32->86 file14 signatures15 process16
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/e51ee5140bead9c974f22988b80899cc2d10ab9efe6301853f2babe552c330f3
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.40 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/a3d781b345281e22a0b20a614e324f6e
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e51ee5140bead9c974f22988b80899cc2d10ab9efe6301853f2babe552c330f3/
Threat name:
Script-WScript.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2026-09-14 03:12:10 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4upokfal5lm4s5hsfgelqcezzqwrbk467zrqdbj7fov6kuwdgdzq._file
Verdict:
malicious
Label(s):
Remcos
Create hunting rule
Link:
https://reports.threatray.com/37281000-1d95-44bd-9e38-12388aff5e6b
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader execution
Link:
https://tria.ge/reports/260914-dp8yyafr7v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Family: Guloader,Cloudeye
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/e51ee5140bead9c974f22988b80899cc2d10ab9efe6301853f2babe552c330f3

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:Detect_all_IPv6_variants
Create hunting rule
Author:Bierchermuesli
Description:Generic IPv6 catcher
Rule name:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

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 e51ee5140bead9c974f22988b80899cc2d10ab9efe6301853f2babe552c330f3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/85312/

Comments