MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a22a92ecc694a9830df6368f807e775c8e382874bb9b2fc1ff95166f99795f2. 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

SHA256 hash: 3a22a92ecc694a9830df6368f807e775c8e382874bb9b2fc1ff95166f99795f2
SHA3-384 hash: c664bd6387c851e74c596665f8e974c9bd802cd7ac36019731616c10aba75ca63b80fdcf1c20940d244677ed0c3ee8da
SHA1 hash: 2de3a03e6187dfe5e739c26c24755da073570194
MD5 hash: 7c3591f0d16e1ede492a397b1ff8bfff
humanhash: uranus-michigan-montana-table
File name:BL SHKSGN02784.js
Download: download sample
Signature RemcosRAT
File size:2'467'212 bytes
First seen:2026-06-04 06:21:41 UTC
Last seen:2026-06-04 06:58:28 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:rGKs9qr/W8BixjSyI4eH/nKewU2+Gp8ltwmglfyrTXr8qUlinjbUNFNkjN5Rub7/:lYUq
TLSH T1A1B51C76DF24C44BF7FC1B558FC18248A53841667CE5100E70A2EDEACAA7897C4A4F7A
Magika txt
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
123
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.9%
Tags:
cobalt packed shell spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint powershell repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-06-03T21:54:00Z UTC
Last seen:
2026-06-03T23:33:00Z UTC
Hits:
~1000
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Internet Explorer form passwords
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
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
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 download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1922678 Sample: BL SHKSGN02784.js Startdate: 04/06/2026 Architecture: WINDOWS Score: 100 31 surveillance.1qq.cam 2->31 33 icy-lab-0431.guilherme-telecomunicacoes2024.workers.dev 2->33 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 10 other signatures 2->49 8 wscript.exe 2 2->8         started        11 svchost.exe 1 1 2->11         started        signatures3 process4 dnsIp5 59 Suspicious powershell command line found 8->59 61 Wscript starts Powershell (via cmd or directly) 8->61 63 Obfuscated command line found 8->63 65 5 other signatures 8->65 14 powershell.exe 14 15 8->14         started        37 127.0.0.1 unknown unknown 11->37 signatures6 process7 dnsIp8 39 45.61.150.125, 49702, 80 ROUTERHOSTING-RouterHostingLLCUS United States 14->39 41 icy-lab-0431.guilherme-telecomunicacoes2024.workers.dev 104.21.73.231, 443, 49698 CLOUDFLARENET-CloudflareIncUS Canada 14->41 67 Writes to foreign memory regions 14->67 69 Injects a PE file into a foreign processes 14->69 71 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->71 18 CasPol.exe 4 3 14->18         started        23 conhost.exe 14->23         started        signatures9 process10 dnsIp11 35 surveillance.1qq.cam 5.101.80.227, 4099, 49708, 49711 INOVARE-ASstrUzinelor21of37MD Moldova 18->35 25 C:\Users\user\AppData\...\Login Data.tmp, SQLite 18->25 dropped 27 C:\Users\user\AppData\...\Login Data.tmp, SQLite 18->27 dropped 29 C:\Users\user\...\Login Data For Account.tmp, SQLite 18->29 dropped 51 Contains functionality to bypass UAC (CMSTPLUA) 18->51 53 Detected Remcos RAT 18->53 55 Contains functionalty to change the wallpaper 18->55 57 4 other signatures 18->57 file12 signatures13
Gathering data
Threat name:
Script-JS.Trojan.Cryxos
Status:
Malicious
First seen:
2026-06-04 06:22:46 UTC
File Type:
Binary
AV detection:
3 of 36 (8.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Remcos
Process spawned unexpected child process
Malware Config
C2 Extraction:
surveillance.1qq.cam:4099
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:Sus_CMD_Powershell_Usage
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