MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a3b797088da9ddb98ef5a04ff29d54e289cd7824a47ebf1f7b09ea4eb2c840bb. 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
| SHA256 hash: | a3b797088da9ddb98ef5a04ff29d54e289cd7824a47ebf1f7b09ea4eb2c840bb |
|---|---|
| SHA3-384 hash: | f5f60dbc5b3755e57970c56c7d6e83e18d727cd8acccdc256e425b58a665d002af81ed8f229e7609dbd624cc35759f02 |
| SHA1 hash: | d61497463ff4f9837945bf215c4241374abf4845 |
| MD5 hash: | 7ab59d753fdaef9db15732bf9e5217fd |
| humanhash: | snake-fourteen-illinois-grey |
| File name: | 3076a25bf4b4449397ec68d8d0b12679.ps1 |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 641'871 bytes |
| First seen: | 2025-07-29 07:25:16 UTC |
| Last seen: | 2025-07-29 07:51:51 UTC |
| File type: |  ps1 |
| MIME type: | text/plain |
| ssdeep | 12288:na3nfP65xBecMRCychmlvlnNLDdXX2nXxFYQMAGOuCsJ:5NJMRCVIldnNPhQdsJ |
| TLSH | T1CCD4AF3AC517BDDB3A1E0D8C940C2D421DB81DD7C678E6A8D98C506776CCA929FAC4F8 |
| Magika | powershell |
| Reporter |  JAMESWT_WT |
| Tags: | bigbelly042-duckdns-org ps1 RemcosRAT Spam-ITA |
Intelligence
File Origin
# of uploads :
2
# of downloads :
64
Origin country :
ITVendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Tags:
ransomware
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated obfuscated
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malware
YARA:
3 match(es)
Tags:
Base64 Block Base64 Payload Contains Base64 Block DeObfuscated Executable PDB Path PE (Portable Executable) PowerShell
Detection:
remcos
Verdict:
Malicious
Threat:
VHO:Trojan.Win32.BypassUAC
Threat name:
Script-PowerShell.Backdoor.Remcos
Status:
Malicious
First seen:
2025-07-26 17:50:41 UTC
File Type:
Text
AV detection:
10 of 24 (41.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
9/10
Tags:
collection discovery execution spyware stealer
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
Reads user/profile data of web browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| 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: | 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: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| 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: | SUSP_PS1_FromBase64String_Content_Indicator_RID3714 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious base64 encoded PowerShell expressions |
| Reference: | https://gist.github.com/Neo23x0/6af876ee72b51676c82a2db8d2cd3639 |
| 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) |
| Rule name: | TeslaCryptPackedMalware |
|---|
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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