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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d4fefb97a53b3ad0a34d3abf3b4f8d7416efc2f9c29902767a26129a8df4144. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d4fefb97a53b3ad0a34d3abf3b4f8d7416efc2f9c29902767a26129a8df4144
SHA3-384 hash: e6c445eb0e686d0e2142e8f90fd6cb4e89cb072b611cf99af1ef9455b13ebb8df6a7a558f752de474bc8228e3cdbf097
SHA1 hash: 8c9c18252e844e81619427b98d203c4331d3fb26
MD5 hash: 1f4f88dc6ebcf34dedf973c5cda8b5e3
humanhash: oklahoma-cup-zebra-zulu
File name:airwaybill-FedEx Invoice#102026.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:55'322 bytes
First seen:2026-10-08 19:26:34 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:k3ED+tIcuH5ZRk1YeffxQDkDQGu5AzVf0jOIQ8MCmKagmMFn:kuyIcuHNeiQDucVqNjd
TLSH T11843B9CA824F53588F13A5848506A10FF7E98D3E5B6F1895EE4609EEFB1CD1C7079A2C
Magika javascript
Reporter abuse_ch
Tags:FedEx js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
179
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Script.SNH-gen.76327274.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad07c10f4e17c78f7158010
Tags:
virus shell sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm encrypted fingerprint masquerade repaired
Link:
https://www.filescan.io/uploads/6ac7ee98969f6f5907ee1e6d/reports/29a72156-8baf-4c8a-8c82-7c987b09bcca/overview
Verdict:
Malicious
Labled as:
HEUR_Trojan_Script_Generic
Link:
https://www.hybrid-analysis.com/sample/8d4fefb97a53b3ad0a34d3abf3b4f8d7416efc2f9c29902767a26129a8df4144
Verdict:
Malicious
File Type:
js
First seen:
2026-10-08T09:25:00Z UTC
Last seen:
2026-10-10T03:39:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/8d4fefb97a53b3ad0a34d3abf3b4f8d7416efc2f9c29902767a26129a8df4144/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1984484
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
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 functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Obfuscated command line found
Powershell connects to network
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Uses dynamic DNS services
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1984484 Sample: airwaybill-FedEx Invoice#10... Startdate: 08/10/2026 Architecture: WINDOWS Score: 100 62 gahour5lamo1.duckdns.org 2->62 64 fotoschop.cl 2->64 66 2 other IPs or domains 2->66 80 Suricata IDS alerts for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 88 13 other signatures 2->88 11 wscript.exe 2 2->11         started        signatures3 86 Uses dynamic DNS services 62->86 process4 signatures5 100 JScript performs obfuscated calls to suspicious functions 11->100 102 Wscript starts Powershell (via cmd or directly) 11->102 104 Obfuscated command line found 11->104 106 4 other signatures 11->106 14 cmd.exe 1 11->14         started        process6 signatures7 108 Wscript starts Powershell (via cmd or directly) 14->108 110 Obfuscated command line found 14->110 17 powershell.exe 14 19 14->17         started        21 conhost.exe 14->21         started        process8 dnsIp9 58 31.40.204.114, 49713, 80 WHITELABELUS Turkey 17->58 60 fotoschop.cl 208.91.188.116, 443, 49717, 49722 GRUPOZGHSPACL Chile 17->60 70 Suspicious powershell command line found 17->70 72 Writes to foreign memory regions 17->72 74 Injects a PE file into a foreign processes 17->74 76 Powershell connects to network 17->76 23 MSBuild.exe 4 4 17->23         started        28 powershell.exe 12 17->28         started        78 Installs a global keyboard hook 21->78 signatures10 process11 dnsIp12 68 gahour5lamo1.duckdns.org 206.123.137.132, 49723, 49724, 56090 M247RO Sweden 23->68 50 C:\Users\user\AppData\Local\Temp\TH5F69.tmp, MS-DOS 23->50 dropped 52 C:\Users\user\AppData\Local\Temp\TH5F48.tmp, MS-DOS 23->52 dropped 54 C:\Users\user\AppData\Local\Temp\TH5F28.tmp, MS-DOS 23->54 dropped 56 C:\Users\user\AppData\Roaming\mtnwprtys.dat, data 23->56 dropped 90 Contains functionality to bypass UAC (CMSTPLUA) 23->90 92 Contains functionalty to change the wallpaper 23->92 94 Contains functionality to steal Chrome passwords or cookies 23->94 96 8 other signatures 23->96 30 userinit.exe 13 23->30         started        33 userinit.exe 1 23->33         started        35 userinit.exe 1 23->35         started        37 cmd.exe 1 28->37         started        39 conhost.exe 28->39         started        file13 signatures14 process15 signatures16 112 Tries to steal Mail credentials (via file registry) 30->112 114 Tries to harvest and steal browser information (history, passwords, etc) 30->114 116 Unusual module load detection (module proxying) 30->116 118 Tries to steal Instant Messenger accounts or passwords 33->118 120 Tries to steal Mail credentials (via file / registry access) 33->120 41 conhost.exe 37->41         started        44 taskkill.exe 1 37->44         started        46 taskkill.exe 1 37->46         started        48 taskkill.exe 1 37->48         started        122 Installs a global keyboard hook 39->122 process17 signatures18 98 Installs a global keyboard hook 41->98
Score:
38%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/8d4fefb97a53b3ad0a34d3abf3b4f8d7416efc2f9c29902767a26129a8df4144
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d4fefb97a53b3ad0a34d3abf3b4f8d7416efc2f9c29902767a26129a8df4144/
Threat name:
Win32.Trojan.XSNet
Create hunting rule
Status:
Malicious
First seen:
2026-10-08 19:27:23 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rvh67ol2koz22cru2ov7hnhy25aw57bptquzaj3hujqstkg7ifca._file
Verdict:
malicious
Label(s):
ADMINTOOL_MailPassView
Create hunting rule
NirSoft
Create hunting rule
Remcos
Create hunting rule
Link:
https://reports.threatray.com/a9eee2db-5e71-4155-adf7-f1f1762fb295
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution
Link:
https://tria.ge/reports/261008-x584escz8y/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
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/8d4fefb97a53b3ad0a34d3abf3b4f8d7416efc2f9c29902767a26129a8df4144

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