MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd1e88a2fd28c0cbfcf0c6a8175d130eb36df27774237d5201fb2af39df7c82d. 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: 17


Intelligence 17 IOCs 1 YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd1e88a2fd28c0cbfcf0c6a8175d130eb36df27774237d5201fb2af39df7c82d
SHA3-384 hash: add2f90f748a1601af5c09eb1a96ba158630e14a4580eea6baa7b578238a04ce4692e841d192bd45c4e0cd5b6db226a6
SHA1 hash: 4eb95c495804f3b76737e539a38456ec340b99a7
MD5 hash: 8767bf60b21393fd357ab384cd190c24
humanhash: blossom-double-cat-paris
File name:Quotation.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:871'677 bytes
First seen:2025-11-06 01:50:07 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 24576:5TaXJc7ItOoDvEldL9lg6iznI+gSw8QrAt:58D3P6b+qzW
Threatray 176 similar samples on MalwareBazaar
TLSH T11605BF36DE57ECF3C2BFE078D6E696A622C585B01A16D20EFAB2F027DC45A94054CDC0
Magika batch
Reporter abuse_ch
Tags:bat RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
91.92.243.7:1155

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
91.92.243.7:1155 https://threatfox.abuse.ch/ioc/1634296/

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Quotation.bat
Verdict:
Malicious activity
Analysis date:
2025-11-06 01:51:26 UTC
Tags:
remcos rat susp-powershell api-base64
Link:
https://app.any.run/tasks/82a3d005-1298-47ab-a948-2dacdbc68d0d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/35577/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690bfee1ea0f3e915c235972
Tags:
obfuscate vmdetect xtreme shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Launching cmd.exe command interpreter
Creating a file
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Creating a file in the %temp% directory
Reading critical registry keys
Launching a service
Changing a file
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 evasive obfuscated powershell
Link:
https://www.filescan.io/uploads/690bfede393eed3f38e531f4/reports/0cd10f4d-2eb6-4288-8922-39b3ffd12333/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/fd1e88a2fd28c0cbfcf0c6a8175d130eb36df27774237d5201fb2af39df7c82d
Verdict:
Malicious
File Type:
text
First seen:
2025-11-05T20:07:00Z UTC
Last seen:
2025-11-07T22:46:00Z UTC
Hits:
~100
Detections:
BSS:Trojan.Win32.Generic.nblk BSS:Trojan.Win32.Generic Trojan-Dropper.Win32.Injector.qcik Trojan.Win32.Shellcode.sb Trojan-PSW.Win32.Stealer.sb Trojan.BAT.Agent.sb HEUR:Trojan.PowerShell.Tesre.sb not-a-virus:HEUR:PSWTool.Win32.PassView.b not-a-virus:HEUR:PSWTool.Win32.PassView.a not-a-virus:HEUR:PSWTool.Win32.PassView.c
Link:
https://opentip.kaspersky.com/fd1e88a2fd28c0cbfcf0c6a8175d130eb36df27774237d5201fb2af39df7c82d/results?tab=lookup
Result
Threat name:
Remcos, DonutLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1808973
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Powershell drops PE file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
Suspicious powershell command line found
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)
Writes to foreign memory regions
Yara detected DonutLoader
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1808973 Sample: Quotation.bat Startdate: 06/11/2025 Architecture: WINDOWS Score: 100 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 16 other signatures 2->51 9 cmd.exe 1 2->9         started        process3 signatures4 61 Suspicious powershell command line found 9->61 63 Bypasses PowerShell execution policy 9->63 12 cmd.exe 1 9->12         started        14 conhost.exe 9->14         started        process5 process6 16 cmd.exe 3 12->16         started        signatures7 43 Suspicious powershell command line found 16->43 19 powershell.exe 5 31 16->19         started        24 conhost.exe 16->24         started        process8 dnsIp9 41 91.92.243.7, 1155, 49716, 49717 THEZONEBG Bulgaria 19->41 35 C:\Users\user\AppData\Local\Temp\TH6E7.tmp, MS-DOS 19->35 dropped 37 C:\Users\user\AppData\Local\Temp\TH6C7.tmp, MS-DOS 19->37 dropped 39 C:\Users\user\AppData\Local\Temp\TH687.tmp, PE32 19->39 dropped 53 Detected Remcos RAT 19->53 55 Writes to foreign memory regions 19->55 57 Found hidden mapped module (file has been removed from disk) 19->57 59 5 other signatures 19->59 26 RmClient.exe 1 19->26         started        29 RmClient.exe 1 19->29         started        31 RmClient.exe 14 19->31         started        33 RmClient.exe 19->33         started        file10 signatures11 process12 signatures13 65 Tries to steal Instant Messenger accounts or passwords 26->65 67 Tries to steal Mail credentials (via file / registry access) 26->67 69 Tries to harvest and steal browser information (history, passwords, etc) 29->69 71 Tries to steal Mail credentials (via file registry) 33->71
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/fd1e88a2fd28c0cbfcf0c6a8175d130eb36df27774237d5201fb2af39df7c82d
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fd1e88a2fd28c0cbfcf0c6a8175d130eb36df27774237d5201fb2af39df7c82d/
Verdict:
Malicious
Threat:
Trojan.Win32.Shellcode
Link:
https://tip.neiki.dev/file/fd1e88a2fd28c0cbfcf0c6a8175d130eb36df27774237d5201fb2af39df7c82d
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7upirix5fdamx7hqy2uboxitb2zw34txoqrx2uqb7mvphhpxzawq._file
Verdict:
malicious
Label(s):
donutloader
Create hunting rule
remcos
Create hunting rule
Similar samples:
3c4850bad9e48453996875f76725ab4caf188613ec4621fef7fbca2fd19c2147
RemcosRAT
6fe0d90ee6b5cdf3e1f8847dba78459deecc3b975a990240e2b9d52a561d695e
RemcosRAT
9c7bccc9beab63a3ebf8995eb4ad568c15e7b65421e11fadbac663d4bc8ef792
RemcosRAT
ba155a5175493aa4e350cc470165e37632573b06c353db839f02c9eecc06a8a9
RemcosRAT
c4e185352244f5809357a49331ba037a6dc3e69377e72abd90912117cbb30d26
RemcosRAT
ceaa19c2955fc7b208d9480844510cbe51ab054d54332c60f6cb8aff902da04c
RemcosRAT
d1cfc53e81fdcf625be8284ee7ed47fa1256de5222d2b1d4064524e90724df4e
RemcosRAT
error
RemcosRAT
febef3a364126ac2aa64f960389c62bd38cc9cfced7606726afe7f0824c239a7
RemcosRAT
+ 166 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader collection discovery execution loader
Link:
https://tria.ge/reports/251106-b9evgsdy7g/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Detects DonutLoader
DonutLoader
Donutloader family
Malware family:
WebBrowserPassView
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fd1e88a2fd28/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fd1e88a2fd28c0cbfcf0c6a8175d130eb36df27774237d5201fb2af39df7c82d

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:SUSP_PS1_JAB_Pattern_Jun22_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:Internal Research
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
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
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/35577/

Comments