MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91619737b3f7af4623dc62b4f3df7b551337ec94f693a3b9ba35bb231483393e. 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: 13


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91619737b3f7af4623dc62b4f3df7b551337ec94f693a3b9ba35bb231483393e
SHA3-384 hash: 5dd52d99f1dfe1f269569a408b3e3d125e1dcc854ab53cb66604153ab34c0df45a4c14186322a714cc9ccfc88e51f8e2
SHA1 hash: d23f4798c549bfb7ddd968c4c2a971f67468a662
MD5 hash: e8dfdb915a523a09e139aaa900991ddd
humanhash: yellow-comet-cat-may
File name:e8dfdb915a523a09e139aaa900991ddd.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:498 bytes
First seen:2025-01-05 07:54:20 UTC
Last seen:2025-01-07 09:12:47 UTC
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 12:wmDU081kkGrAOtD0OO081kkGVX5OQ981kvYX53RP:wmD7RrAO90OxRxUkvYX53RP
TLSH T1C8F059370112340A8F1AC425900473807513B947C94AB4A301FE8C742DC3063CBE6EDB
Magika batch
Reporter abuse_ch
Tags:bat myguyapp-com RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
134
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
e8dfdb915a523a09e139aaa900991ddd.bat
Verdict:
Malicious activity
Analysis date:
2025-01-05 08:00:12 UTC
Tags:
autoit rat remcos remote
Link:
https://app.any.run/tasks/f7a671ef-0bfc-4a49-b769-e61f5ed78ed0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.31313.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677a3c0b74a2bd296e27950c
Tags:
dropper shell sage
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Searching for synchronization primitives
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Searching for the window
Launching a process
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
powershell
Link:
https://www.filescan.io/uploads/677a3add24fe7cbb6e62c146/reports/badaf99b-cd94-44e6-9264-79fe507ee654/overview
Verdict:
Suspicious
Labled as:
BAT/Agent.AWE
Link:
https://www.hybrid-analysis.com/sample/91619737b3f7af4623dc62b4f3df7b551337ec94f693a3b9ba35bb231483393e
Result
Verdict:
MALICIOUS
Details
Hidden Powershell
Detected a pivot to Powershell that utilizes commonly nefarious attributes such as '-windowstyle hidden'.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1584358
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Detected Remcos RAT
Drops large PE files
Drops PE files with a suspicious file extension
Found API chain indicative of sandbox detection
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: Search for Antivirus process
Sigma detected: Suspicious Command Patterns In Scheduled Task Creation
Sigma detected: Suspicious Invoke-WebRequest Execution
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suspicious powershell command line found
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript called in batch mode (surpress errors)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1584358 Sample: 9W9jJCj9EV.bat Startdate: 05/01/2025 Architecture: WINDOWS Score: 100 87 Antivirus detection for URL or domain 2->87 89 Multi AV Scanner detection for submitted file 2->89 91 Sigma detected: Remcos 2->91 93 9 other signatures 2->93 10 cmd.exe 3 2 2->10         started        13 wscript.exe 2->13         started        15 svchost.exe 1 1 2->15         started        18 wscript.exe 2->18         started        process3 dnsIp4 105 Suspicious powershell command line found 10->105 20 msword.exe 10->20         started        22 powershell.exe 14 16 10->22         started        27 powershell.exe 10->27         started        33 3 other processes 10->33 107 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->107 29 CineBlend.scr 13->29         started        85 127.0.0.1 unknown unknown 15->85 31 CineBlend.scr 18->31         started        signatures5 process6 dnsIp7 35 cmd.exe 20->35         started        81 193.26.115.39 QUICKPACKETUS Netherlands 22->81 69 C:\Users\user\Downloads\W2.pdf, PDF 22->69 dropped 99 Drops large PE files 22->99 101 Powershell drops PE file 22->101 71 C:\Users\user\AppData\Local\...\msword.exe, PE32 27->71 dropped 103 Loading BitLocker PowerShell Module 27->103 73 C:\Users\user\AppData\Local\Temp\msword.zip, Zip 33->73 dropped 39 AcroCEF.exe 107 33->39         started        file8 signatures9 process10 file11 65 C:\Users\user\AppData\Local\...\Prostores.com, PE32 35->65 dropped 95 Drops PE files with a suspicious file extension 35->95 97 Uses schtasks.exe or at.exe to add and modify task schedules 35->97 41 Prostores.com 35->41         started        46 conhost.exe 35->46         started        48 tasklist.exe 35->48         started        52 7 other processes 35->52 50 AcroCEF.exe 4 39->50         started        signatures12 process13 dnsIp14 83 178.237.33.50 ATOM86-ASATOM86NL Netherlands 41->83 75 C:\Users\user\AppData\Local\...\CineBlend.scr, PE32 41->75 dropped 77 C:\Users\user\AppData\Local\...\CineBlend.js, ASCII 41->77 dropped 79 C:\ProgramData\remcos\logs.dat, data 41->79 dropped 109 Detected Remcos RAT 41->109 111 Drops PE files with a suspicious file extension 41->111 113 Installs a global keyboard hook 41->113 54 cmd.exe 41->54         started        57 cmd.exe 41->57         started        file15 signatures16 process17 file18 67 C:\Users\user\AppData\...\CineBlend.url, MS 54->67 dropped 59 conhost.exe 54->59         started        61 conhost.exe 57->61         started        63 schtasks.exe 57->63         started        process19
Score:
0%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/91619737b3f7af4623dc62b4f3df7b551337ec94f693a3b9ba35bb231483393e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91619737b3f7af4623dc62b4f3df7b551337ec94f693a3b9ba35bb231483393e/
Threat name:
Script-BAT.Backdoor.Remcos
Create hunting rule
Status:
Suspicious
First seen:
2025-01-04 23:17:44 UTC
File Type:
Text (Batch)
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sfqzon5t66xumi64mk2phx33kujtp3eu62j2hon2gw5sgfedhe7a._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:2024 discovery execution rat
Link:
https://tria.ge/reports/250105-jr5besxpey/
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Enumerates processes with tasklist
Checks computer location settings
Drops startup file
Executes dropped EXE
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
me-work.com:7009
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/91619737b3f7af4623dc62b4f3df7b551337ec94f693a3b9ba35bb231483393e

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 91619737b3f7af4623dc62b4f3df7b551337ec94f693a3b9ba35bb231483393e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3353516/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3340271/

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