MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58648635a15923fe48cbf3ca928efbcbc5658aa563fd9ca281fc94e9c191ee16. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 58648635a15923fe48cbf3ca928efbcbc5658aa563fd9ca281fc94e9c191ee16
SHA3-384 hash: 8c74d43e6344c9a2828d6426121fc2325194f51ca59dcb9e3e94a20eeb62ab39d59cd2dfbe6c51c40636e6fb1d967213
SHA1 hash: 73cc3d7e2137008b811e1e121a159c0e98b0437c
MD5 hash: d28a9c71a85c921560f7a8d2c479f78c
humanhash: oxygen-music-dakota-oscar
File name:Encrypted_Script.ps1
Download: download sample
Signature RemcosRAT
File size:2'258'092 bytes
First seen:2025-12-11 06:30:51 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:lIpPtZ57EK6GdTEtBHCmS6vM9hVnsxoKdctYnGvX8gOld5lKN/Rtj8j48Jpd3fk0:lIpl76BiL6vMjVMoKiMzfTOkCdRU6j4
Threatray 70 similar samples on MalwareBazaar
TLSH T186A533605F394B1E48EC833C602BA90D4F170EA88869D5DB37DAB0CA5B5FF01E65BC65
Magika powershell
Reporter abuse_ch
Tags:ps1 RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.1%
Tags:
ransomware dropper spawn
Verdict:
Malicious
File Type:
ps1
First seen:
2025-12-10T09:44:00Z UTC
Last seen:
2025-12-10T12:46:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.InjectorNetT.s PDM:Trojan.Win32.Generic Backdoor.Win32.Remcos.sb
Result
Threat name:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected malicious Powershell script
Antivirus detection for dropped file
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
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
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)
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1830779 Sample: Encrypted_Script.ps1 Startdate: 11/12/2025 Architecture: WINDOWS Score: 100 37 Suricata IDS alerts for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 10 other signatures 2->43 7 powershell.exe 22 2->7         started        process3 process4 9 aspnet_compiler.exe 4 3 7->9         started        14 aspnet_compiler.exe 7->14         started        16 conhost.exe 7->16         started        18 4 other processes 7->18 dnsIp5 35 198.46.173.5, 49490, 49721, 49723 AS-COLOCROSSINGUS United States 9->35 29 C:\Users\user\AppData\Local\Temp\TH8919.tmp, MS-DOS 9->29 dropped 31 C:\Users\user\AppData\Local\Temp\TH88E9.tmp, MS-DOS 9->31 dropped 33 C:\Users\user\AppData\Local\Temp\TH88B9.tmp, MS-DOS 9->33 dropped 55 Detected Remcos RAT 9->55 57 Maps a DLL or memory area into another process 9->57 20 RmClient.exe 1 9->20         started        23 RmClient.exe 1 9->23         started        25 RmClient.exe 9->25         started        27 2 other processes 9->27 59 Contains functionality to bypass UAC (CMSTPLUA) 14->59 61 Contains functionalty to change the wallpaper 14->61 63 Contains functionality to steal Chrome passwords or cookies 14->63 65 5 other signatures 14->65 file6 signatures7 process8 signatures9 45 Tries to steal Instant Messenger accounts or passwords 20->45 47 Tries to steal Mail credentials (via file / registry access) 20->47 49 Tries to harvest and steal browser information (history, passwords, etc) 23->49 51 Tries to steal Mail credentials (via file registry) 25->51 53 Unusual module load detection (module proxying) 25->53
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Base64 Block Contains Base64 Block PowerShell
Threat name:
Script-PowerShell.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-12-10 21:08:00 UTC
File Type:
Text (PowerShell)
AV detection:
14 of 38 (36.84%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:server collection discovery execution rat
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Detected Nirsoft tools
NirSoft MailPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
198.46.173.5:49490
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
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
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.

Web download

RemcosRAT

PowerShell (PS) ps1 58648635a15923fe48cbf3ca928efbcbc5658aa563fd9ca281fc94e9c191ee16

(this sample)

  
Delivery method
Distributed via web download

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