MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7c43dba60ce0a6c43e389947fa8ec1c18e6e050a70bd7a3bdac1474f8809c06. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
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SHA256 hash: d7c43dba60ce0a6c43e389947fa8ec1c18e6e050a70bd7a3bdac1474f8809c06
SHA3-384 hash: 4fbe12efd4fa60f2392b2f471b7efe1d30f089fb19faf7898c5d13410e7bfacdc22d9003564732254f468bd3bec0d596
SHA1 hash: 958ed538309888548f856c0cb5506ae2abbf10c7
MD5 hash: 38cf4a2629da53a228ceae2856796a5e
humanhash: helium-nevada-music-moon
File name:Imagen de Pago - 2025-12-05.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:598'980 bytes
First seen:2025-12-10 05:39:49 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:sKuKmMKlJXKKlJIKlJg+IxKlJg+7KlJg+ILKlJg+IcKVKlJg+IUKlJsKlJg+INKu:sKuKmMKl5KKlGKlxIxKlx7KlxILKlxI8
TLSH T153D44B20DD2416B94F071BA9FC541E61CAFC960A552A94F1F6DE070E61029FCE3FE6AC
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
140
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.26863.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693907e4a675b653bd0f9411
Tags:
stration virus blic
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint repaired
Link:
https://www.filescan.io/uploads/693907d364bd958a520f65e2/reports/845cc867-2244-4318-b041-57c23559192f/overview
Verdict:
Malicious
Labled as:
TrojanDownloader/JS.Netloader
Link:
https://www.hybrid-analysis.com/sample/d7c43dba60ce0a6c43e389947fa8ec1c18e6e050a70bd7a3bdac1474f8809c06
Verdict:
Malicious
File Type:
js
First seen:
2025-12-09T16:44:00Z UTC
Last seen:
2025-12-11T23:52:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.Script.Generic Trojan.PowerShell.Strion.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen
Link:
https://opentip.kaspersky.com/d7c43dba60ce0a6c43e389947fa8ec1c18e6e050a70bd7a3bdac1474f8809c06/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1830027
Signature
Antivirus detection for URL or domain
Early bird code injection technique detected
Found suspicious powershell code related to unpacking or dynamic code loading
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
Obfuscated command line found
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queues an APC in another process (thread injection)
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Unusual module load detection (module proxying)
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: 1830027 Sample: Imagen de Pago - 2025-12-05.js Startdate: 10/12/2025 Architecture: WINDOWS Score: 100 46 r12.c.lencr.org 2->46 48 polonyauniversiteleri.com.tr 2->48 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 5 other signatures 2->66 9 powershell.exe 33 2->9         started        12 wscript.exe 1 2 2->12         started        15 explorer.exe 4 7 2->15         started        signatures3 process4 file5 68 Early bird code injection technique detected 9->68 70 Writes to foreign memory regions 9->70 72 Found suspicious powershell code related to unpacking or dynamic code loading 9->72 80 5 other signatures 9->80 17 msiexec.exe 2 7 9->17         started        21 msiexec.exe 9->21         started        23 conhost.exe 9->23         started        40 C:\Users\user\AppData\Roaming\Hearestud247, ASCII 12->40 dropped 74 JScript performs obfuscated calls to suspicious functions 12->74 76 Injects code into the Windows Explorer (explorer.exe) 12->76 78 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->78 25 explorer.exe 12->25         started        27 powershell.exe 14 28 15->27         started        signatures6 process7 dnsIp8 42 r12.c.lencr.org 104.18.20.213, 49711, 49722, 49752 CLOUDFLARENETUS United States 17->42 50 Obfuscated command line found 17->50 29 cmd.exe 1 17->29         started        32 msiexec.exe 17->32         started        52 Unusual module load detection (module proxying) 21->52 44 polonyauniversiteleri.com.tr 78.135.105.8, 443, 49708, 49710 PREMIERDC-VERI-MERKEZI-ANONIM-SIRKETIPREMIERDC-SHTR Turkey 27->44 54 Found suspicious powershell code related to unpacking or dynamic code loading 27->54 56 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 27->56 58 Loading BitLocker PowerShell Module 27->58 34 conhost.exe 27->34         started        signatures9 process10 signatures11 82 Obfuscated command line found 29->82 36 conhost.exe 29->36         started        38 reg.exe 1 1 29->38         started        process12
Score:
87%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/d7c43dba60ce0a6c43e389947fa8ec1c18e6e050a70bd7a3bdac1474f8809c06
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/38cf4a2629da53a228ceae2856796a5e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d7c43dba60ce0a6c43e389947fa8ec1c18e6e050a70bd7a3bdac1474f8809c06/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/d7c43dba60ce0a6c43e389947fa8ec1c18e6e050a70bd7a3bdac1474f8809c06
Threat name:
Script-JS.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-12-09 19:48:05 UTC
File Type:
Text
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=27cd3otazyfgyq7drgkh7khmdqmonycqu4f5pi55vqkhj6eatqda._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos adware discovery execution persistence rat spyware
Link:
https://tria.ge/reports/251210-gc34psc17e/
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
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Badlisted process makes network request
Remcos
Remcos family
Malware Config
C2 Extraction:
192.227.144.49:2404
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.78
Link:
https://yomi.yoroi.company/submissions/d7c43dba60ce0a6c43e389947fa8ec1c18e6e050a70bd7a3bdac1474f8809c06

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