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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a75eef5d2b25be25dd32b3f60640ec95dc19f9ee7d1d7245d1ba4e6bc8f7bc1. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a75eef5d2b25be25dd32b3f60640ec95dc19f9ee7d1d7245d1ba4e6bc8f7bc1
SHA3-384 hash: 862ec878c4b7634210bd75951c0e90083120d4834710d86f48e6d81543d7f076f7936b8b5b333298493dfb5eae4f2836
SHA1 hash: 2546e34f32b898aa2fa5960d723e71eb684f935c
MD5 hash: e20498ca550bbd8e59084d7e6a8ecae6
humanhash: crazy-happy-hamper-mississippi
File name:task.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:995'334 bytes
First seen:2026-09-15 12:56:24 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:EP8sBPPY96GdtWM7GufWagE5HShUVagC6/v8jQ3X8JUb00:8CfWMK25HAF6xX2j0
TLSH T1D42501594927C959342C4338AF2F088813B5DA82A25CBC8CC974DF967A5DEC5C4EBF4E
Magika batch
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
131
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated repaired
Link:
https://www.filescan.io/uploads/6aa940bdc3b05bb2003fc20b/reports/40495b1d-747f-426c-bf67-d3a75efba3c1/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/9a75eef5d2b25be25dd32b3f60640ec95dc19f9ee7d1d7245d1ba4e6bc8f7bc1
Verdict:
Malicious
File Type:
js
First seen:
2026-09-14T20:21:00Z UTC
Last seen:
2026-09-14T21:09:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9a75eef5d2b25be25dd32b3f60640ec95dc19f9ee7d1d7245d1ba4e6bc8f7bc1/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1973154
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Queues an APC in another process (thread injection)
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Unusual module load detection (module proxying)
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1973154 Sample: task.js Startdate: 15/09/2026 Architecture: WINDOWS Score: 100 60 www.consultarprocesosramajudicial.com.co 2->60 80 Found malware configuration 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for URL or domain 2->84 86 7 other signatures 2->86 12 wscript.exe 1 1 2->12         started        signatures3 process4 signatures5 90 JScript performs obfuscated calls to suspicious functions 12->90 92 Wscript starts Powershell (via cmd or directly) 12->92 94 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->94 96 2 other signatures 12->96 15 conhost.exe 12->15         started        17 powershell.exe 8 12->17         started        process6 signatures7 20 cmd.exe 1 15->20         started        62 Found suspicious powershell code related to unpacking or dynamic code loading 17->62 23 conhost.exe 17->23         started        process8 signatures9 88 Wscript starts Powershell (via cmd or directly) 20->88 25 powershell.exe 20->25         started        27 cmd.exe 1 20->27         started        29 cmd.exe 1 20->29         started        31 6 other processes 20->31 process10 process11 33 powershell.exe 24 25->33         started        36 findstr.exe 1 27->36         started        38 findstr.exe 1 29->38         started        40 findstr.exe 1 31->40         started        42 findstr.exe 1 31->42         started        44 findstr.exe 1 31->44         started        46 findstr.exe 1 31->46         started        signatures12 64 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 33->64 66 Writes to foreign memory regions 33->66 68 Maps a DLL or memory area into another process 33->68 70 2 other signatures 33->70 48 choice.exe 4 3 33->48         started        52 conhost.exe 33->52         started        process13 dnsIp14 58 www.consultarprocesosramajudicial.com.co 2.25.193.83, 2466 AKAMAI-ASN1NL United States 48->58 72 Contains functionality to bypass UAC (CMSTPLUA) 48->72 74 Contains functionalty to change the wallpaper 48->74 76 Contains functionality to register a low level keyboard hook 48->76 78 Unusual module load detection (module proxying) 48->78 54 WerFault.exe 3 21 48->54         started        56 conhost.exe 48->56         started        signatures15 process16
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/9a75eef5d2b25be25dd32b3f60640ec95dc19f9ee7d1d7245d1ba4e6bc8f7bc1
Verdict:
Malware
YARA:
1 match(es)
Tags:
DeObfuscated PowerShell T1027 T1059.001
Link:
https://app.malva.re/file/e20498ca550bbd8e59084d7e6a8ecae6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a75eef5d2b25be25dd32b3f60640ec95dc19f9ee7d1d7245d1ba4e6bc8f7bc1/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tj2655oswjn6exotfm7wazaozfo4dh4647i5ojc5dosonpepppaq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:colpro defense_evasion discovery execution rat
Link:
https://tria.ge/reports/260915-p6pr6sxepf/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Hide Artifacts: Hidden Files and Directories
Checks computer location settings
Family: Remcos
Malware Config
C2 Extraction:
www.consultarprocesosramajudicial.com.co:2466
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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)
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.

Web download

RemcosRAT

Java Script (JS) js 9a75eef5d2b25be25dd32b3f60640ec95dc19f9ee7d1d7245d1ba4e6bc8f7bc1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3609409/
  
Delivery method
Distributed via web download

Comments