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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc206b9b1c4fdc6ae2ac1ce120d37423e968e143650d4cbc19fd1491a4bd9708. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: fc206b9b1c4fdc6ae2ac1ce120d37423e968e143650d4cbc19fd1491a4bd9708
SHA3-384 hash: 197050a8c4d4d1f39cd220e16d3d0f60badb30b58d78034cb092294ea5f0483683197fc271300b264f2f9f6a72c04d28
SHA1 hash: 401dd555661447597e14138f4e7d3fbf98f2ec0c
MD5 hash: 5014d2c1a8984971e0a709284bee27e5
humanhash: sixteen-blossom-robin-uniform
File name:Succinea.vbs
Download: download sample
Signature RemcosRAT
File size:124'918 bytes
First seen:2026-10-28 00:45:14 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:GWIR3bAMH5XygF0FFJClEZO8Mxl0gkwHWY2HeQKsSqZXpswdAZtMsS4Zf8oftk:GWIR/YMo8Ok8MoHesSiXmwOZWL42Ok
TLSH T1E5C3C222DBD426368E47869DA958095785FC8518333B80ECA69D121E1F03D5CBBFBEB4
Magika vba
Reporter threatcat_ch
Tags:RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
92.5%
Tags:
shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd evasive lolbin obfuscated
Verdict:
Malicious
File Type:
vbs
First seen:
2026-10-27T20:18:00Z UTC
Last seen:
2026-10-29T22:38:00Z UTC
Hits:
~1000
Result
Threat name:
Remcos, GuLoader
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
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)
Obfuscated command line found
Powershell connects to network
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)
Tries to steal Mail credentials (via file registry)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1993595 Sample: Succinea.vbs Startdate: 28/10/2026 Architecture: WINDOWS Score: 100 43 drive.usercontent.google.com 2->43 45 drive.google.com 2->45 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Yara detected GuLoader 2->61 63 5 other signatures 2->63 10 wscript.exe 1 2->10         started        signatures3 process4 signatures5 65 VBScript performs obfuscated calls to suspicious functions 10->65 67 Wscript starts Powershell (via cmd or directly) 10->67 69 Obfuscated command line found 10->69 71 3 other signatures 10->71 13 cmd.exe 1 10->13         started        process6 signatures7 83 Wscript starts Powershell (via cmd or directly) 13->83 16 powershell.exe 1 18 13->16         started        20 conhost.exe 13->20         started        22 cmd.exe 1 13->22         started        process8 dnsIp9 39 drive.google.com 192.179.26.101, 443, 49704, 49712 GOOGLE-GoogleLLCUS United States 16->39 41 drive.usercontent.google.com 74.125.135.132, 443, 49705, 49713 GOOGLE-GoogleLLCUS United States 16->41 49 Writes to foreign memory regions 16->49 51 Found suspicious powershell code related to unpacking or dynamic code loading 16->51 53 Switches to a custom stack to bypass stack traces 16->53 55 Powershell connects to network 16->55 24 backgroundTaskHost.exe 4 9 16->24         started        29 backgroundTaskHost.exe 16->29         started        signatures10 process11 dnsIp12 47 91.92.41.145, 2404, 49714, 49715 SINOWORLDWIDEHK Bulgaria 24->47 33 C:\Users\user\AppData\...\Login Data.tmp, SQLite 24->33 dropped 35 C:\Users\user\AppData\...\Login Data.tmp, SQLite 24->35 dropped 37 C:\Users\user\...\Login Data For Account.tmp, SQLite 24->37 dropped 73 Detected Remcos RAT 24->73 75 Tries to harvest and steal browser information (history, passwords, etc) 24->75 31 backgroundTaskHost.exe 24->31         started        77 Tries to steal Mail credentials (via file registry) 29->77 79 Contains functionality to steal Internet Explorer form passwords 29->79 81 Unusual module load detection (module proxying) 29->81 file13 signatures14 process15
Verdict:
Malware
YARA:
2 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated PowerShell SOS: 0.34 T1027 T1059.001 T1059.005 VBScript WScript.Shell
Threat name:
Script-WScript.Trojan.Qwexlafiba
Status:
Malicious
First seen:
2026-10-27 23:50:57 UTC
File Type:
Text (VBS)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution privilege_escalation rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Family: Remcos
Malware Config
C2 Extraction:
91.92.41.145:2404
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:detect_tiny_vbs
Author:daniyyell
Description:Detects tiny VBS delivery technique

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 fc206b9b1c4fdc6ae2ac1ce120d37423e968e143650d4cbc19fd1491a4bd9708

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments