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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3e8b58038d6f274b4a2544871c6a96176b8bd63d2506d0c8d2bc7a8a9eba3d3. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d3e8b58038d6f274b4a2544871c6a96176b8bd63d2506d0c8d2bc7a8a9eba3d3
SHA3-384 hash: 3fc4d83ddc286aa02e5a4b95fca361c9e8035460d718a97caa2dbf0cbbbe0690e5922505081ec7495e91aa41d49315e0
SHA1 hash: 3fb28d510878401dafb06c006059026a644a7bef
MD5 hash: a6117af8edc7c983674c64024bf97d70
humanhash: iowa-lake-whiskey-xray
File name:d3e8b58038d6f274.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:4'641 bytes
First seen:2026-10-20 14:01:52 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 96:Cv2Zs+kpdesT1Fk65kKQtvyXH9vqJh3F9hahuEopWzE3NhvPcnSnjJTLx:CvL+k1iJh3HhahvopT3PXcQVTLx
TLSH T1D9A1F315D4F08B430EBDE9106518268312DDEBF08BF986AF85802AD2EE2F11B573D667
Magika batch
Reporter Tuxxin
Tags:bat RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
remcos
Create hunting rule
ID:
1
File name:
bat
Verdict:
Malicious activity
Analysis date:
2026-10-20 14:29:51 UTC
Tags:
remcos rat
Link:
https://app.any.run/tasks/f6f37b22-723e-4fce-8528-c758c71a71b3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/93121/
Detection(s):
YARA.SIGNATURE_BASE_SUSP_PS1_JAB_Pattern_Jun22_1.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad774755a22ac805bd81f8f
Tags:
xtreme shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Creating a process with a hidden window
Creating a file
Deleting a recently created file
Sending a custom TCP request
Enabling autorun by creating a file
Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/d3e8b58038d6f274b4a2544871c6a96176b8bd63d2506d0c8d2bc7a8a9eba3d3
Verdict:
Unknown
File Type:
unix shell
First seen:
2026-10-16T06:39:00Z UTC
Last seen:
2026-10-16T07:08:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d3e8b58038d6f274b4a2544871c6a96176b8bd63d2506d0c8d2bc7a8a9eba3d3/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1989427
Signature
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Powershell connects to network
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Suspicious powershell command line found
Unusual module load detection (module proxying)
Uses known network protocols on non-standard ports
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1989427 Sample: d3e8b58038d6f274.bat Startdate: 20/10/2026 Architecture: WINDOWS Score: 100 39 3497348.com 2->39 41 www.google.com 2->41 43 6 other IPs or domains 2->43 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Yara detected UAC Bypass using CMSTP 2->57 59 9 other signatures 2->59 9 cmd.exe 1 2->9         started        12 powershell.exe 4 21 2->12         started        signatures3 process4 dnsIp5 61 Suspicious powershell command line found 9->61 15 powershell.exe 19 26 9->15         started        20 conhost.exe 9->20         started        45 3497348.com 89.185.84.164, 37109, 49739, 49740 GCS-ASGB United Kingdom 12->45 63 Powershell connects to network 12->63 22 csc.exe 3 12->22         started        signatures6 process7 dnsIp8 47 139.28.240.153, 49738, 8888 GCS-ASGB Netherlands 15->47 33 C:\Users\user\AppData\...\rxbhf5n0.cmdline, Unicode 15->33 dropped 49 Unusual module load detection (module proxying) 15->49 51 Powershell connects to network 15->51 24 csc.exe 3 15->24         started        27 conhost.exe 15->27         started        35 C:\Users\user\AppData\Local\...\nyisn0u3.dll, PE32 22->35 dropped 29 cvtres.exe 1 22->29         started        file9 signatures10 process11 file12 37 C:\Users\user\AppData\Local\...\rxbhf5n0.dll, PE32 24->37 dropped 31 cvtres.exe 1 24->31         started        process13
Score:
93%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/d3e8b58038d6f274b4a2544871c6a96176b8bd63d2506d0c8d2bc7a8a9eba3d3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d3e8b58038d6f274b4a2544871c6a96176b8bd63d2506d0c8d2bc7a8a9eba3d3/
Threat name:
Text.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-10-20 14:02:25 UTC
File Type:
Text (Batch)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2pullaby23zhjnfckrehdrvjmf3lrpld2jig2denfpd2rkplupjq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution persistence
Link:
https://tria.ge/reports/261020-rb8mxaew6p/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes a command shell one-liner
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
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/d3e8b58038d6f274b4a2544871c6a96176b8bd63d2506d0c8d2bc7a8a9eba3d3

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: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)

File information

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

Web download

RemcosRAT

Batch (bat) bat d3e8b58038d6f274b4a2544871c6a96176b8bd63d2506d0c8d2bc7a8a9eba3d3

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/93121/

Comments