MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c13c32dc34af1720cbe4136dc97db38a69f301dac2f912e21cafaf4824f0250. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c13c32dc34af1720cbe4136dc97db38a69f301dac2f912e21cafaf4824f0250
SHA3-384 hash: 1e8d3206b38d23fbb9abe1a142b18c9f1ccfaf808699c4028dfa61fb6cbfbb7094e24344d68b64ef3ff0e2adee3713ec
SHA1 hash: c7221998a710aeac209da2c9691d1361c47722a6
MD5 hash: dd55956c379b7f9e6493b68809bc4776
humanhash: nine-july-cola-lion
File name:BBVA S.A.,PDF.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:188'376 bytes
First seen:2025-03-12 09:28:13 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:B55yEyDPcpfEwMwix1gTupWFmykzEi6ah2:BWPcCpbgTupWFmykzEi6ah2
TLSH T114043BD25FE5B2340AB3BD824F7DE4054CEEA8F6C216BE443D9C5075066C296E784BE8
Magika vba
Reporter lowmal3
Tags:BBVA RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d156e4dff6bd921908757a
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive obfuscated powershell
Link:
https://www.filescan.io/uploads/67d153ecb32a56d0c2cf9d20/reports/9dc957ce-5696-49e7-bb17-8431ab7037f8/overview
Verdict:
Malicious
Labled as:
VBS/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/6c13c32dc34af1720cbe4136dc97db38a69f301dac2f912e21cafaf4824f0250
Result
Verdict:
UNKNOWN
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1636032
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
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (suspicious strings)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
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 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1636032 Sample: BBVA S.A.,PDF.vbs Startdate: 12/03/2025 Architecture: WINDOWS Score: 100 35 wormbit.ydns.eu 2->35 37 moredoul.ydns.eu 2->37 39 4 other IPs or domains 2->39 59 Suricata IDS alerts for network traffic 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 12 other signatures 2->65 9 wscript.exe 1 2->9         started        12 wscript.exe 2->12         started        signatures3 process4 signatures5 67 VBScript performs obfuscated calls to suspicious functions 9->67 69 Suspicious powershell command line found 9->69 71 Wscript starts Powershell (via cmd or directly) 9->71 73 2 other signatures 9->73 14 powershell.exe 14 16 9->14         started        process6 dnsIp7 43 wormbit.ydns.eu 45.154.98.113, 23101, 49711, 49712 LRH-ASNL Belgium 14->43 45 ip.1019.filemail.com 142.215.209.80, 443, 49710 HUMBER-COLLEGECA Canada 14->45 75 Writes to foreign memory regions 14->75 77 Injects a PE file into a foreign processes 14->77 18 aspnet_compiler.exe 14->18         started        21 aspnet_compiler.exe 4 16 14->21         started        25 cmd.exe 2 14->25         started        27 conhost.exe 14->27         started        signatures8 process9 dnsIp10 47 Contains functionality to bypass UAC (CMSTPLUA) 18->47 49 Contains functionalty to change the wallpaper 18->49 51 Contains functionality to steal Chrome passwords or cookies 18->51 57 2 other signatures 18->57 41 geoplugin.net 178.237.33.50, 49713, 80 ATOM86-ASATOM86NL Netherlands 21->41 31 C:\ProgramData\remcos\logs.dat, data 21->31 dropped 53 Installs a global keyboard hook 21->53 33 C:\ProgramData\paedobaptism.vbs, ASCII 25->33 dropped 55 Command shell drops VBS files 25->55 29 conhost.exe 25->29         started        file11 signatures12 process13
Score:
13%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/6c13c32dc34af1720cbe4136dc97db38a69f301dac2f912e21cafaf4824f0250
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6c13c32dc34af1720cbe4136dc97db38a69f301dac2f912e21cafaf4824f0250/
Threat name:
Script-WScript.Backdoor.Remcos
Create hunting rule
Status:
Suspicious
First seen:
2025-03-12 07:44:33 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=nqj4glodjlyxedf6ie3nzf63hctj6ma5vqxzclrbzl5pjaspajia._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:new discovery execution rat
Link:
https://tria.ge/reports/250312-lffj2avmv4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Blocklisted process makes network request
Remcos
Remcos family
Malware Config
C2 Extraction:
wormbit.ydns.eu:23101
realsw.mooo.com:23101
realws.ydns.eu:23101
realsw.strangled.net:23101
realsw.ydns.eu:23101
realsw.jumpingcrab.com:23101
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/6c13c32dc34af1720cbe4136dc97db38a69f301dac2f912e21cafaf4824f0250

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
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:html_auto_download_b64
Create hunting rule
Author:Tdawg
Description:html auto download
Rule name:NET
Create hunting rule
Author:malware-lu

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 6c13c32dc34af1720cbe4136dc97db38a69f301dac2f912e21cafaf4824f0250

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments