MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4c879cb84c835ef64d9f45b78a69b9f08700ab35498f06d802c72af7428223e. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4c879cb84c835ef64d9f45b78a69b9f08700ab35498f06d802c72af7428223e
SHA3-384 hash: c31797091fbce1122410ddea69827a299676218e73b2630545201fd07eab1d025451df73407e36d125c2bd622f177c30
SHA1 hash: 45ccb345f78c49508e259e6d17ab0266873aac23
MD5 hash: 29a2dadb4f6741bb7ea676afbc75010e
humanhash: hamper-six-mockingbird-delaware
File name:PO_PXN012034.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:97'722 bytes
First seen:2026-06-22 15:15:22 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:mPe0A7it5VqnFO+4OWMlvERzdKQMnmByFZywleZTqc/IZb6rJUzd3xTbogU:mG7it5QOGW5/mmoFZyK2TqWIZGUhRo3
TLSH T1D3A35A30CE6407694E4B2BA9FC912A61C9BDC629423250F4FEE9170D50059BCF7BE6AD
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
58
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/71585/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a3952641548daf709f8e58d
Tags:
xtreme shell sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint
Link:
https://www.filescan.io/uploads/6a39522690632a45f7333e63/reports/d1098f1b-dad8-4e46-b1c3-de36981b3cff/overview
Verdict:
Malicious
Labled as:
Generik.IXSLVAT trojan
Link:
https://www.hybrid-analysis.com/sample/b4c879cb84c835ef64d9f45b78a69b9f08700ab35498f06d802c72af7428223e
Verdict:
Malicious
File Type:
vbs
First seen:
2026-06-21T17:22:00Z UTC
Last seen:
2026-06-24T03:08:00Z UTC
Hits:
~1000
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.VBS.SAgent.gen HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/b4c879cb84c835ef64d9f45b78a69b9f08700ab35498f06d802c72af7428223e/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/1932051
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
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line 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)
Uses ping.exe to check the status of other devices and networks
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: 1932051 Sample: PO_PXN012034.vbs Startdate: 22/06/2026 Architecture: WINDOWS Score: 100 47 drive.usercontent.google.com 2->47 49 drive.google.com 2->49 51 Allum_8888.8888.8888.657e 2->51 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 7 other signatures 2->71 8 powershell.exe 17 2->8         started        11 wscript.exe 1 2->11         started        13 svchost.exe 1 1 2->13         started        signatures3 process4 dnsIp5 73 Writes to foreign memory regions 8->73 75 Found suspicious powershell code related to unpacking or dynamic code loading 8->75 77 Switches to a custom stack to bypass stack traces 8->77 16 backgroundTaskHost.exe 4 9 8->16         started        21 backgroundTaskHost.exe 8->21         started        23 conhost.exe 8->23         started        79 VBScript performs obfuscated calls to suspicious functions 11->79 81 Suspicious powershell command line found 11->81 83 Wscript starts Powershell (via cmd or directly) 11->83 85 4 other signatures 11->85 25 powershell.exe 14 18 11->25         started        27 PING.EXE 1 11->27         started        53 127.0.0.1 unknown unknown 13->53 signatures6 process7 dnsIp8 41 151.241.154.173, 2404, 49701, 49702 VIRTUO-12651980CANADAINCCA United States 16->41 35 C:\Users\user\AppData\...\Login Data.tmp, SQLite 16->35 dropped 37 C:\Users\user\AppData\...\Login Data.tmp, SQLite 16->37 dropped 39 C:\Users\user\...\Login Data For Account.tmp, SQLite 16->39 dropped 55 Detected Remcos RAT 16->55 57 Tries to harvest and steal browser information (history, passwords, etc) 16->57 29 backgroundTaskHost.exe 16->29         started        59 Contains functionality to steal Internet Explorer form passwords 21->59 61 Unusual module load detection (module proxying) 21->61 43 drive.google.com 142.250.217.238, 443, 49684, 49699 GOOGLE-GoogleLLCUS United States 25->43 45 drive.usercontent.google.com 142.250.72.1, 443, 49685, 49700 GOOGLE-GoogleLLCUS United States 25->45 63 Found suspicious powershell code related to unpacking or dynamic code loading 25->63 31 conhost.exe 25->31         started        33 conhost.exe 27->33         started        file9 signatures10 process11
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b4c879cb84c835ef64d9f45b78a69b9f08700ab35498f06d802c72af7428223e
Verdict:
Malware
YARA:
1 match(es)
Tags:
VBScript WScript.Shell
Link:
https://app.malva.re/file/29a2dadb4f6741bb7ea676afbc75010e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4c879cb84c835ef64d9f45b78a69b9f08700ab35498f06d802c72af7428223e/
Threat name:
Script-WScript.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2026-06-21 22:25:47 UTC
File Type:
Text (VBS)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtehts4eza266zgz6rnxrju3t4ehacvtksmpa3mafrzk65biei7a._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:remotehost adware collection discovery persistence ransomware rat spyware
Link:
https://tria.ge/reports/260622-spesesdx9n/
Behaviour
Checks SCSI registry key(s)
Modifies Internet Explorer settings
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Enumerates connected drives
Checks computer location settings
Badlisted process makes network request
Boot or Logon Autostart Execution: Active Setup
Family: Remcos
Malware Config
C2 Extraction:
151.241.154.173:2404
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/b4c879cb84c835ef64d9f45b78a69b9f08700ab35498f06d802c72af7428223e

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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string

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/71585/

Comments