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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e303ae23d963f2247b113f3a228b2b5421bd9dd563a286db2bd88c4e94d2b1e1. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e303ae23d963f2247b113f3a228b2b5421bd9dd563a286db2bd88c4e94d2b1e1
SHA3-384 hash: 25b41cb105598a3c019d58f93fc243e8fb50db40558cd3221d9b7ba4873322601d678143caa0c7aa00c96ce40c6e4ce4
SHA1 hash: 6c928e440da5067ded65078ac1599f999f5576b7
MD5 hash: ba053f0069a5e1f112bde79b8460c07d
humanhash: alabama-river-fix-coffee
File name:Photo_Jessa_Rhodes.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:3'173'218 bytes
First seen:2023-03-22 14:53:01 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:Y/9F/E/F/E/9F/E/h/9F/E/F/E/9F/E/h/9F/E/F/E/9F/E/F/E/9F/x/E/A/jjh:euTiVoAC3FxQTXPsw
TLSH T13CE563F8C1811D7728B3C2925D0A91DA7ADA52D02601112C7B8E5E9EFB0D66FD3F274E
Reporter 604Kuzushi
Tags:remcos RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
158
Origin country :
CA CA
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/376495/
Detection(s):
SecuriteInfo.com.VBS.Shell-14.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.25834.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/641b1650109d4db5166a11d3/reports/1cecc250-c5cc-4b00-a0eb-982ec6100698/overview
Verdict:
Malicious
Labled as:
Emeka.Agent
Link:
https://www.hybrid-analysis.com/sample/e303ae23d963f2247b113f3a228b2b5421bd9dd563a286db2bd88c4e94d2b1e1
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1199493
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
DLL side loading technique detected
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Windows Shell Script Host drops VBS files
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 832405 Sample: Photo_Jessa_Rhodes.vbs Startdate: 22/03/2023 Architecture: WINDOWS Score: 100 67 Multi AV Scanner detection for domain / URL 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 73 6 other signatures 2->73 8 wscript.exe 10 2->8         started        12 wscript.exe 7 2->12         started        process3 dnsIp4 49 C:\...\Photo_Jessa_Rhodes.vbs:Zone.Identifier, ASCII 8->49 dropped 51 C:\Users\user\...\Photo_Jessa_Rhodes.vbs, ASCII 8->51 dropped 83 Windows Shell Script Host drops VBS files 8->83 85 Drops VBS files to the startup folder 8->85 87 Wscript called in batch mode (surpress errors) 8->87 15 wscript.exe 10 8->15         started        57 192.168.2.1 unknown unknown 12->57 19 wscript.exe 7 12->19         started        file5 signatures6 process7 file8 53 C:\Users\user\AppData\Local\...\dynwrapx.dll, PE32 15->53 dropped 59 Writes to foreign memory regions 15->59 61 Allocates memory in foreign processes 15->61 63 DLL side loading technique detected 15->63 65 Injects a PE file into a foreign processes 15->65 21 winhlp32.exe 15->21         started        24 winhlp32.exe 2 15->24         started        27 winhlp32.exe 15->27         started        35 3 other processes 15->35 29 winhlp32.exe 19->29         started        31 winhlp32.exe 19->31         started        33 winhlp32.exe 19->33         started        37 3 other processes 19->37 signatures9 process10 dnsIp11 75 Contains functionality to steal Chrome passwords or cookies 21->75 77 Contains functionality to inject code into remote processes 21->77 79 Contains functionality to steal Firefox passwords or cookies 21->79 81 Delayed program exit found 21->81 39 WerFault.exe 21->39         started        55 15.235.53.10, 3005, 49699, 49700 HP-INTERNET-ASUS United States 24->55 41 WerFault.exe 27->41         started        43 WerFault.exe 29->43         started        45 WerFault.exe 31->45         started        47 WerFault.exe 33->47         started        signatures12 process13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e303ae23d963f2247b113f3a228b2b5421bd9dd563a286db2bd88c4e94d2b1e1/
Threat name:
Script-WScript.Trojan.Emeka
Create hunting rule
Status:
Malicious
First seen:
2023-03-22 14:56:20 UTC
File Type:
Text (VBS)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4mb24i6zmpzci6yrh45cfczlkqq33hovmorinwzl3cge5fgswhqq._file
Verdict:
malicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:popads1 persistence rat
Link:
https://tria.ge/reports/230322-r9atjabd3y/
Behaviour
Modifies registry class
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Registers COM server for autorun
Remcos
Malware Config
C2 Extraction:
15.235.53.10:3005
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e303ae23d963/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:SUSP_OneNote
Create hunting rule
Author:spatronn
Description:Hard-Detect One

File information

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

Web download

RemcosRAT

Visual Basic Script (vbs) vbs e303ae23d963f2247b113f3a228b2b5421bd9dd563a286db2bd88c4e94d2b1e1

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/376495/

Comments