MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdff7eccb2f409f2bb943ea1a18465cec6b3c547e5cc86a37eeae6d2dbb4b97e. 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: 10


Intelligence 10 IOCs YARA 28 File information Comments

SHA256 hash: fdff7eccb2f409f2bb943ea1a18465cec6b3c547e5cc86a37eeae6d2dbb4b97e
SHA3-384 hash: b088967e17ef44fccd040c70775dcddcb97557793973ee5d2e85d3edaf49eaeb41f5259a67bf65af6a4bfa191edba1dc
SHA1 hash: 0705659ea991fe98a438bdbff789a8388ca8efee
MD5 hash: e77756e09a8a3e7830facfba3af66184
humanhash: august-emma-xray-arizona
File name:kenttt.ps1
Download: download sample
Signature RemcosRAT
File size:746'572 bytes
First seen:2025-04-17 11:14:52 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 12288:bC9qDDyaM+UMxRgSmT2mIi9C7WtnhMabx8UofLyFThWc5kQM5YNuufo5t3mw:btDlUogX9CqtnhMIxY8P5U5Lz2w
Threatray 1'142 similar samples on MalwareBazaar
TLSH T1C7F4022586843FE8CFAC1A1C90FE161E57E00A9B542B758AEB73BD46FFE7544420B1C9
Magika powershell
Reporter abuse_ch
Tags:ps1 RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
vmdetect lien
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm dropper obfuscated packed
Verdict:
Malicious
Labled as:
PowerShell/TrojanDropper.Agent
Result
Threat name:
Remcos, PureLog Stealer
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
AI detected malicious Powershell script
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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 malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
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
Powershell drops PE file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
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)
Writes to foreign memory regions
Yara detected Powershell decode and execute
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1667412 Sample: kenttt.ps1 Startdate: 17/04/2025 Architecture: WINDOWS Score: 100 41 geoplugin.net 2->41 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 15 other signatures 2->61 9 powershell.exe 22 2->9         started        13 svchost.exe 1 1 2->13         started        signatures3 process4 dnsIp5 35 C:\Users\user\AppData\Local\...\ZPXiMHRb.exe, PE32+ 9->35 dropped 71 Found suspicious powershell code related to unpacking or dynamic code loading 9->71 73 Powershell drops PE file 9->73 16 ZPXiMHRb.exe 14 3 9->16         started        20 conhost.exe 9->20         started        47 127.0.0.1 unknown unknown 13->47 file6 signatures7 process8 dnsIp9 37 8.8.8.8 GOOGLEUS United States 16->37 39 176.65.134.79, 49681, 80 DIOGELO-ASGB Germany 16->39 49 Multi AV Scanner detection for dropped file 16->49 51 Writes to foreign memory regions 16->51 53 Injects a PE file into a foreign processes 16->53 22 CasPol.exe 4 13 16->22         started        signatures10 process11 dnsIp12 43 196.251.116.245, 2721, 49682, 49683 xneeloZA Seychelles 22->43 45 geoplugin.net 178.237.33.50, 49684, 80 ATOM86-ASATOM86NL Netherlands 22->45 63 Contains functionality to bypass UAC (CMSTPLUA) 22->63 65 Detected Remcos RAT 22->65 67 Contains functionalty to change the wallpaper 22->67 69 6 other signatures 22->69 26 recover.exe 14 22->26         started        29 recover.exe 1 22->29         started        31 recover.exe 1 22->31         started        33 recover.exe 22->33         started        signatures13 process14 signatures15 75 Tries to steal Mail credentials (via file registry) 26->75 77 Tries to harvest and steal browser information (history, passwords, etc) 26->77 79 Tries to steal Instant Messenger accounts or passwords 29->79 81 Tries to steal Mail credentials (via file / registry access) 29->81
Threat name:
Script-PowerShell.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-04-17 06:02:17 UTC
File Type:
Text (PowerShell)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery execution rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Executes dropped EXE
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
196.251.116.245:2721
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:nirsoft_v1
Author:RandomMalware
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:TeslaCryptPackedMalware
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Author:Matthew @ Embee_Research

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 fdff7eccb2f409f2bb943ea1a18465cec6b3c547e5cc86a37eeae6d2dbb4b97e

(this sample)

  
Delivery method
Distributed via web download

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