MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae6d49b96a03312feadfd3f8bfb8e58dae26faef21b46f57c1b5dcd29aa22787. 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
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SHA256 hash: ae6d49b96a03312feadfd3f8bfb8e58dae26faef21b46f57c1b5dcd29aa22787
SHA3-384 hash: 2830b4f1ce1e33c8ad09aeeaceefd69ba55be61c465e43ac6888bbc40d0252cb82f5c5506d2f99fa8fff7168b01573f5
SHA1 hash: 1ee1aeeab99df7e1962c57a215a9893932f5a4b5
MD5 hash: cc34dcda405682e94cd22697e276fe9f
humanhash: fillet-kilo-december-twelve
File name:Pago de factura.pdf.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:598'300 bytes
First seen:2025-12-10 05:39:51 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:sKvKIKlJRuKlJ9KlJg+IeKlJg+vKlJg+IOKlJg+I5KVKlJg+IWKlJ3KlJg+IHKln:sKvKIKlnuKlfKlxIeKlxvKlxIOKlxI55
TLSH T193D43A20DD2416B94F071BA9FD541E61CAFC960A552A90F1F6DE070E61029FCE3FE6AC
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.26863.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693907e7bde6a3e5970fabc0
Tags:
spawn
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint masquerade repaired
Link:
https://www.filescan.io/uploads/693907d21eac7b9b76a30181/reports/df64181c-8adb-4589-bda7-cfec2526f60e/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/ae6d49b96a03312feadfd3f8bfb8e58dae26faef21b46f57c1b5dcd29aa22787
Verdict:
Malicious
File Type:
js
First seen:
2025-12-09T15:07:00Z UTC
Last seen:
2025-12-12T03:27:00Z UTC
Hits:
~10000
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen HEUR:Trojan.Script.Generic Trojan.PowerShell.Strion.sb
Link:
https://opentip.kaspersky.com/ae6d49b96a03312feadfd3f8bfb8e58dae26faef21b46f57c1b5dcd29aa22787/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1830025
Signature
Antivirus detection for URL or domain
Early bird code injection technique detected
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Injects code into the Windows Explorer (explorer.exe)
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queues an APC in another process (thread injection)
Sigma detected: Suspicious Parent Double Extension File Execution
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Unusual module load detection (module proxying)
Uses an obfuscated file name to hide its real file extension (double extension)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1830025 Sample: Pago de factura.pdf.js Startdate: 10/12/2025 Architecture: WINDOWS Score: 100 39 r12.c.lencr.org 2->39 41 polonyauniversiteleri.com.tr 2->41 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 7 other signatures 2->53 8 powershell.exe 34 2->8         started        11 wscript.exe 1 2 2->11         started        14 explorer.exe 4 7 2->14         started        16 svchost.exe 1 1 2->16         started        signatures3 process4 dnsIp5 65 Early bird code injection technique detected 8->65 67 Writes to foreign memory regions 8->67 69 Found suspicious powershell code related to unpacking or dynamic code loading 8->69 77 6 other signatures 8->77 19 msiexec.exe 6 8->19         started        23 msiexec.exe 8->23         started        25 conhost.exe 8->25         started        35 C:\Users\user\AppData\Roaming\Protonitra, ASCII 11->35 dropped 71 JScript performs obfuscated calls to suspicious functions 11->71 73 Injects code into the Windows Explorer (explorer.exe) 11->73 75 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->75 27 explorer.exe 11->27         started        29 powershell.exe 14 28 14->29         started        37 127.0.0.1 unknown unknown 16->37 file6 signatures7 process8 dnsIp9 43 r12.c.lencr.org 104.18.21.213, 49699, 49711, 49741 CLOUDFLARENETUS United States 19->43 55 Hides threads from debuggers 19->55 31 msiexec.exe 19->31         started        57 Unusual module load detection (module proxying) 23->57 45 polonyauniversiteleri.com.tr 78.135.105.8, 443, 49684, 49698 PREMIERDC-VERI-MERKEZI-ANONIM-SIRKETIPREMIERDC-SHTR Turkey 29->45 59 Found suspicious powershell code related to unpacking or dynamic code loading 29->59 61 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 29->61 63 Loading BitLocker PowerShell Module 29->63 33 conhost.exe 29->33         started        signatures10 process11
Score:
91%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/ae6d49b96a03312feadfd3f8bfb8e58dae26faef21b46f57c1b5dcd29aa22787
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/cc34dcda405682e94cd22697e276fe9f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ae6d49b96a03312feadfd3f8bfb8e58dae26faef21b46f57c1b5dcd29aa22787/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/ae6d49b96a03312feadfd3f8bfb8e58dae26faef21b46f57c1b5dcd29aa22787
Threat name:
Script-JS.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-12-10 05:40:39 UTC
File Type:
Text
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vzwutolkamys72w72p4l7ohfrwxcn6xpeg2g6v6bwxonfgvce6dq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/251210-gc4egavphl/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks computer location settings
Badlisted process makes network request
Formbook payload
Formbook
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/ae6d49b96a03312feadfd3f8bfb8e58dae26faef21b46f57c1b5dcd29aa22787

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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments