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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad3be4724cb887a300b7a2dcda09c4abc9c8a18a1a3ecdb8050e42dc685f323d. 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: 18


Intelligence 18 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ad3be4724cb887a300b7a2dcda09c4abc9c8a18a1a3ecdb8050e42dc685f323d
SHA3-384 hash: a48e123c2b71b2e06d31576c782646581fa949aa80824fbd3be3e7e62ce2f5eeb8c704042a6e8d06ee7806a2b168d2f3
SHA1 hash: deb086bbb2d0d7f75dc07caf91578ad372a16790
MD5 hash: 48abc9375bd13c4588b44274805b1b3a
humanhash: spaghetti-lake-lithium-pasta
File name:Purchase_Order.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:803'848 bytes
First seen:2025-11-13 08:14:21 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 12288:C6yLxVGJfKjSmB+S4vWJS7ViGya2EZqRSdrIN1glW4w32dXvdYHysdNDk1tDlgZ/:C7GDmTo5SZEdhplW4BRVSR3kjk/
TLSH T16C05AC388FB4B8C2831E635C6966FFC91BFF0A625113176899E89BD61D35329DF2190C
Magika batch
Reporter lowmal3
Tags:bat RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Purchase_Order.bat
Verdict:
Malicious activity
Analysis date:
2025-11-13 08:17:02 UTC
Tags:
remcos rat stealer susp-powershell api-base64 mpress tool
Link:
https://app.any.run/tasks/43125417-e684-4595-8939-b2c520ce686a

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/38089/
Detection(s):
SecuriteInfo.com.BAT.Obfus-10.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.77766766.11954.13763.UNOFFICIAL
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Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691593b028ddbbca4d8db25f
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
Reading critical registry keys
Creating a file in the %temp% directory
Launching a service
Changing a file
Connection attempt to an infection source
Sending a TCP request to an infection source
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 batch evasive masquerade obfuscated powershell
Link:
https://www.filescan.io/uploads/691593a98ec14a5e4824c3d7/reports/4a58e20c-8af6-4d6f-997e-ebff5b8ffc4c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/ad3be4724cb887a300b7a2dcda09c4abc9c8a18a1a3ecdb8050e42dc685f323d
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-11-12T21:04:00Z UTC
Last seen:
2025-11-15T05:53:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.BAT.Tesre.gen Backdoor.Remcos.TCP.C&C Backdoor.Win32.Remcos.f PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Shellcode.sb Trojan.BAT.Agent.sb HEUR:Trojan.PowerShell.Tesre.sb Backdoor.Win32.Remcos.e Trojan.PowerShell.AmsiBypass.sb
Link:
https://opentip.kaspersky.com/ad3be4724cb887a300b7a2dcda09c4abc9c8a18a1a3ecdb8050e42dc685f323d/results?tab=lookup
Result
Threat name:
Remcos, DonutLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1813169
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
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 submitted 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
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
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: 1813169 Sample: Purchase_Order.bat Startdate: 13/11/2025 Architecture: WINDOWS Score: 100 42 Suricata IDS alerts for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 16 other signatures 2->48 9 cmd.exe 1 2->9         started        process3 signatures4 58 Suspicious powershell command line found 9->58 60 Bypasses PowerShell execution policy 9->60 12 cmd.exe 1 9->12         started        14 conhost.exe 9->14         started        process5 process6 16 cmd.exe 3 12->16         started        signatures7 40 Suspicious powershell command line found 16->40 19 powershell.exe 5 29 16->19         started        24 conhost.exe 16->24         started        process8 dnsIp9 38 172.245.246.80, 49689, 49690, 49691 AS-COLOCROSSINGUS United States 19->38 34 C:\ProgramData\folder\logs.dat, data 19->34 dropped 50 Detected Remcos RAT 19->50 52 Maps a DLL or memory area into another process 19->52 54 Found suspicious powershell code related to unpacking or dynamic code loading 19->54 56 3 other signatures 19->56 26 powershell.exe 1 19->26         started        30 powershell.exe 1 19->30         started        32 powershell.exe 1 19->32         started        file10 signatures11 process12 file13 36 C:\Users\...\rcqozbvclbbxhrvohbveytrzjbyuyw, Unicode 26->36 dropped 62 Tries to harvest and steal browser information (history, passwords, etc) 26->62 signatures14
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/ad3be4724cb887a300b7a2dcda09c4abc9c8a18a1a3ecdb8050e42dc685f323d
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ad3be4724cb887a300b7a2dcda09c4abc9c8a18a1a3ecdb8050e42dc685f323d/
Verdict:
Malicious
Threat:
Backdoor.Win32.Remcos
Link:
https://tip.neiki.dev/file/ad3be4724cb887a300b7a2dcda09c4abc9c8a18a1a3ecdb8050e42dc685f323d
Threat name:
Script-BAT.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-11-13 04:28:15 UTC
File Type:
Text (Batch)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vu56i4smxcd2gafxulonucoevpe4rimkdi7m3oafbzbny2c7gi6q._file
Verdict:
malicious
Label(s):
nirsoft
Create hunting rule
remcos
Create hunting rule
donutloader
Create hunting rule
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader collection discovery execution loader
Link:
https://tria.ge/reports/251113-j5wansyjas/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ad3be4724cb8/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/ad3be4724cb887a300b7a2dcda09c4abc9c8a18a1a3ecdb8050e42dc685f323d

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: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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
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 ad3be4724cb887a300b7a2dcda09c4abc9c8a18a1a3ecdb8050e42dc685f323d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38089/

Comments