MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 04791fca99b14d28f631cb796b4607a838f7d344204b5d65335213292c6294e7. 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
| SHA256 hash: | 04791fca99b14d28f631cb796b4607a838f7d344204b5d65335213292c6294e7 |
|---|---|
| SHA3-384 hash: | a0448f204688ac0ac8c9af7894b1a5a35e75db2049f5f60ed3ca56926da7064f15dfa42f0e152eed1b90fc8b34b09a71 |
| SHA1 hash: | fc0a5b28ccd3aaf6b3195b0179dfc78fe7ccc433 |
| MD5 hash: | 991a648c5b5e7f7d2df3ecd118f90886 |
| humanhash: | uncle-winter-asparagus-iowa |
| File name: | B3-PRODUCT LIST-210525.js |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 125'824 bytes |
| First seen: | 2025-05-30 11:06:19 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 192:SmOjULLkRc0+Vxk/gIW8CrnRYx0Iw2RvX9PRI7GADB/:UU502DRHBqXb+J |
| Threatray | 4'129 similar samples on MalwareBazaar |
| TLSH | T126C323942DA1BF577453FB39F801B3F6A16400A3D6901F318FCA1B8907A3AD1A56DAF1 |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | js RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
399
Origin country :
NLVendor Threat Intelligence
Detection(s):
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate asyncrat xtreme shell
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
base64 evasive obfuscated opendir opendir overlay powershell
Verdict:
Malicious
Labled as:
BZC.UGZ.Boxter.1
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
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 autostart registry keys with suspicious values (likely registry only malware)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
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:
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Threat name:
Script-JS.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-05-28 18:18:19 UTC
File Type:
Binary
AV detection:
9 of 24 (37.50%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 4'119 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:may 23 nnork discovery execution persistence rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
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 SetThreadContext
Adds Run key to start application
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
azido.zapto.org:9373
82.21.158.147:9373
209.54.101.183:9373
:
mxsuname.gotdns.ch:9373
82.21.158.147:9373
209.54.101.183:9373
:
mxsuname.gotdns.ch:9373
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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