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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03928b404506908d14a05afbfdd11cc4eae0b2ce3e093cd6d9da5687453793c4. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03928b404506908d14a05afbfdd11cc4eae0b2ce3e093cd6d9da5687453793c4
SHA3-384 hash: a248c5cefd3bb21eddc3ce29cd34f0b44891fd993f66fb9d402f4110e54d76a8a3b5bcdf361ef07c1d7999bf96466937
SHA1 hash: 108111410c4a67a5d358cc99019cc94bf0218b87
MD5 hash: 4e837adaae74271d5e6c58fb5cfcd1cf
humanhash: alpha-triple-papa-winter
File name:Dettagli_delle_fatture_scadute_0902300026_01A.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:53'936 bytes
First seen:2026-09-23 08:31:04 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:e/3tBDh74mZvigKAfXpri6GPwfyTV6Fjiy/+PoU8uP2XoUF5Ztoyczh8jd:e/3fNAgd5Gn30H+A6I5ZtUKjd
TLSH T1B8332936EE59221D8F872B9EEC844EB2C178E575853641B0BEEC27085407E5CA3FD61E
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/88548/
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6acd96007378c656ff4d67b4
Tags:
virus shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd encrypted lolbin obfuscated
Link:
https://www.filescan.io/uploads/6ab38e5eb89c596ea3a99071/reports/aa4dd0cb-5f43-4e22-8ad0-d6fb1ce39195/overview
Verdict:
Suspicious
Labled as:
VBS/Agent.CJZ2
Link:
https://www.hybrid-analysis.com/sample/03928b404506908d14a05afbfdd11cc4eae0b2ce3e093cd6d9da5687453793c4
Verdict:
Unknown
File Type:
vbs
First seen:
2026-09-22T20:02:00Z UTC
Last seen:
2026-09-25T04:20:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/03928b404506908d14a05afbfdd11cc4eae0b2ce3e093cd6d9da5687453793c4/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1976664
Signature
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: WScript or CScript Dropper
Suspicious execution chain found
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Score:
91%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/03928b404506908d14a05afbfdd11cc4eae0b2ce3e093cd6d9da5687453793c4
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.38 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/4e837adaae74271d5e6c58fb5cfcd1cf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03928b404506908d14a05afbfdd11cc4eae0b2ce3e093cd6d9da5687453793c4/
Threat name:
Script-WScript.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-09-23 00:59:16 UTC
File Type:
Text (VBS)
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aojiwqcfa2ii2ffall573ui4ytvobmwohyetzvwz3jliorjxspca._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:main7x collection discovery execution rat suricata
Link:
https://tria.ge/reports/260923-kezqvagg84/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
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 NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Detected Nirsoft tools
Family: Remcos
Suricata alert: REMCOS RAT Malware Inbound C2 Communication
Suricata alert: REMCOS RAT Malware Outbound C2 Communication
Malware Config
C2 Extraction:
karouts3ustyer1.duckdns.org:37690
karouts3ustyer2.duckdns.org:37690
karouts3ustyer3.duckdns.org:37690
karouts3ustyer4.duckdns.org:37690
karouts3ustyer5.duckdns.org:37690
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/03928b404506908d14a05afbfdd11cc4eae0b2ce3e093cd6d9da5687453793c4

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_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
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.

Cape
Cape
https://www.capesandbox.com/analysis/88548/

Comments