MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db893d34023865952c4ba57e6e3330c424c828bc6a42c9edb224a48cc53b3a30. 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 YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db893d34023865952c4ba57e6e3330c424c828bc6a42c9edb224a48cc53b3a30
SHA3-384 hash: 7faadcb01a9356e39d0010c077b8d88781ac68f290c0fae42cfe6d987da1397a7b2db549cf937f18358024c2b2c3c3b0
SHA1 hash: 572da9e44c75eb20ce57c5df5321664ad8b6f2e8
MD5 hash: 72e69510ba0ee5bb5cc2de3dd7f9e663
humanhash: monkey-beryllium-lactose-florida
File name:Quotation.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:810'674 bytes
First seen:2025-10-30 11:41:22 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 24576:K+y3/l7xvxseNZ4yF5gtGQQOPdkGK8XJs3M:KHNTXXU+M
Threatray 127 similar samples on MalwareBazaar
TLSH T17605792F8753B896072933CDA5693B261D0536DFDAA3D558A3F820A30710B79B63B71C
Magika batch
Reporter lowmal3
Tags:bat RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Quotation.bat
Verdict:
Malicious activity
Analysis date:
2025-10-30 11:44:21 UTC
Tags:
rat remcos remote auto-startup susp-powershell stealer api-base64
Link:
https://app.any.run/tasks/e54ba023-eed1-42ab-b2d2-bfaa92c698ce

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/34790/
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69034f2e9942f1282eca77d3
Tags:
obfuscate xtreme shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Launching cmd.exe command interpreter
Creating a file
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Connection attempt
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 evasive obfuscated powershell
Link:
https://www.filescan.io/uploads/69034f0921d55ed90d42a956/reports/1345e000-fe26-4793-8d2b-5d7f4132e65d/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/db893d34023865952c4ba57e6e3330c424c828bc6a42c9edb224a48cc53b3a30
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-10-30T01:53:00Z UTC
Last seen:
2025-11-01T08:01:00Z UTC
Hits:
~1000
Detections:
Trojan-Dropper.Win32.Injector.qcik HEUR:Trojan.PowerShell.Tesre.sb Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Greedy.sb Trojan.PowerShell.AmsiBypass.sb PDM:Trojan.Win32.Generic HEUR:Trojan.BAT.Tesre.gen Trojan.Win32.Shellcode.sb Trojan.BAT.Agent.sb Backdoor.Win32.Remcos.e not-a-virus:HEUR:PSWTool.Win32.PassView.c not-a-virus:HEUR:PSWTool.Win32.PassView.b not-a-virus:HEUR:PSWTool.Win32.PassView.a
Link:
https://opentip.kaspersky.com/db893d34023865952c4ba57e6e3330c424c828bc6a42c9edb224a48cc53b3a30/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/1805105
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Disable UAC(promptonsecuredesktop)
Drops script or batch files to the startup folder
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
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: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Remcos
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: 1805105 Sample: Quotation.bat Startdate: 30/10/2025 Architecture: WINDOWS Score: 100 103 Suricata IDS alerts for network traffic 2->103 105 Found malware configuration 2->105 107 Malicious sample detected (through community Yara rule) 2->107 109 16 other signatures 2->109 9 cmd.exe 1 2->9         started        12 cmd.exe 1 2->12         started        14 cmd.exe 1 2->14         started        16 11 other processes 2->16 process3 signatures4 113 Suspicious powershell command line found 9->113 18 cmd.exe 1 9->18         started        20 conhost.exe 9->20         started        22 cmd.exe 1 12->22         started        24 conhost.exe 12->24         started        26 cmd.exe 1 14->26         started        28 conhost.exe 14->28         started        30 cmd.exe 16->30         started        32 cmd.exe 16->32         started        34 20 other processes 16->34 process5 process6 36 cmd.exe 3 18->36         started        39 cmd.exe 1 22->39         started        41 cmd.exe 1 26->41         started        43 cmd.exe 30->43         started        45 cmd.exe 32->45         started        47 cmd.exe 34->47         started        49 cmd.exe 34->49         started        51 cmd.exe 34->51         started        53 6 other processes 34->53 signatures7 111 Suspicious powershell command line found 36->111 55 2 other processes 36->55 60 2 other processes 39->60 62 2 other processes 41->62 64 2 other processes 43->64 66 2 other processes 45->66 68 2 other processes 47->68 70 2 other processes 49->70 72 2 other processes 51->72 74 12 other processes 53->74 process8 dnsIp9 101 216.9.224.128, 4225, 49689, 49691 ATT-INTERNET4US Reserved 55->101 97 5 other malicious files 55->97 dropped 115 Drops script or batch files to the startup folder 55->115 117 Writes to foreign memory regions 55->117 119 Found hidden mapped module (file has been removed from disk) 55->119 123 7 other signatures 55->123 76 RmClient.exe 1 55->76         started        79 RmClient.exe 1 55->79         started        81 RmClient.exe 1 55->81         started        83 C:\Users\user\AppData\Roaming\...\0687.bat, ASCII 60->83 dropped 85 C:\Users\user\AppData\Roaming\...\9c49.bat, ASCII 62->85 dropped 87 C:\Users\user\AppData\Roaming\...\db7d.bat, ASCII 64->87 dropped 89 C:\Users\user\AppData\Roaming\...\cf3c.bat, ASCII 66->89 dropped 91 C:\Users\user\AppData\Roaming\...\70f3.bat, ASCII 68->91 dropped 93 C:\Users\user\AppData\Roaming\...\6b75.bat, ASCII 70->93 dropped 95 C:\Users\user\AppData\Roaming\...\61c7.bat, ASCII 72->95 dropped 99 6 other malicious files 74->99 dropped 121 Detected Remcos RAT 74->121 file10 signatures11 process12 signatures13 125 Tries to steal Instant Messenger accounts or passwords 76->125 127 Tries to steal Mail credentials (via file / registry access) 76->127 129 Tries to steal Mail credentials (via file registry) 79->129 131 Tries to harvest and steal browser information (history, passwords, etc) 79->131
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/db893d34023865952c4ba57e6e3330c424c828bc6a42c9edb224a48cc53b3a30
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/db893d34023865952c4ba57e6e3330c424c828bc6a42c9edb224a48cc53b3a30/
Verdict:
Malicious
Threat:
Backdoor.Win32.Remcos
Link:
https://tip.neiki.dev/file/db893d34023865952c4ba57e6e3330c424c828bc6a42c9edb224a48cc53b3a30
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3oet2nachbszklcluv7g4mzqyqsmqkf4njbmt3nsessizrj3hiya._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
donut_injector
Create hunting rule
Similar samples:
3c4850bad9e48453996875f76725ab4caf188613ec4621fef7fbca2fd19c2147
RemcosRAT
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9c7bccc9beab63a3ebf8995eb4ad568c15e7b65421e11fadbac663d4bc8ef792
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cb989e4fdf9c4b22e13f3d308eed92711a441e8323d08f395f41a76e03a97dcf
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cc2204af1024b7fc2c9c7e0132ce788518f3d835741d489886fbab703c08d400
RemcosRAT
ceaa19c2955fc7b208d9480844510cbe51ab054d54332c60f6cb8aff902da04c
RemcosRAT
error
RemcosRAT
febef3a364126ac2aa64f960389c62bd38cc9cfced7606726afe7f0824c239a7
RemcosRAT
+ 117 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader discovery execution loader
Link:
https://tria.ge/reports/251030-ntr64ahk9y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Command and Scripting Interpreter: PowerShell
Drops startup file
Badlisted process makes network request
Detects DonutLoader
DonutLoader
Donutloader family
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/db893d340238/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/db893d34023865952c4ba57e6e3330c424c828bc6a42c9edb224a48cc53b3a30

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_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: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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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.

Malspam

RemcosRAT

Batch (bat) bat db893d34023865952c4ba57e6e3330c424c828bc6a42c9edb224a48cc53b3a30

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34790/

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