MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 baf6ff9da2ad6da8d670a0c8e3203dc132f5c4ce57584c96c8a5f94550960982. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
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SHA256 hash: baf6ff9da2ad6da8d670a0c8e3203dc132f5c4ce57584c96c8a5f94550960982
SHA3-384 hash: 0f7c7e0e34b90c087933215d07eb5c83c4e572e61179aef9ceb909a53806208bd95d2e41cd90aff53cbec2badc95b3eb
SHA1 hash: ecc6f9f77956210fa7ccac39e32632e47b10670f
MD5 hash: 460652e882e4f186fbf984db4a70c9d3
humanhash: two-washington-blue-nineteen
File name:Pagos Vencidos.pdf.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:132'450 bytes
First seen:2022-11-07 08:08:42 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:qTlqlqlqlqlqlqlqllgu3gMg1gxg9gfgdWegXgtogEPgNogZg2gkgE3Vo9jgLE3L:eAAAAAAAN/edkUDVo9teK7IFeq0yO
Threatray 2'166 similar samples on MalwareBazaar
TLSH T14ED30F1471D29EC3E2CA359B5C27F4D4973F36C855228F9843EC680A67EC9B8096EBD1
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter r3dbU7z
Tags:dropper RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/329747/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.63467839.18994.4444.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6368bd1f775605b3a4f3d6c6/reports/7e1dc688-42cf-4e43-b466-a1f51b57c543/overview
Result
Verdict:
UNKNOWN
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1107028
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Downloads files with wrong headers with respect to MIME Content-Type
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Snort IDS alert for network traffic
Suspicious powershell command line found
Uses an obfuscated file name to hide its real file extension (double extension)
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Generic Downloader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 739696 Sample: Pagos Vencidos.pdf.vbs Startdate: 07/11/2022 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic 2->59 61 Multi AV Scanner detection for domain / URL 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 8 other signatures 2->65 10 wscript.exe 1 2->10         started        13 powershell.exe 15 2->13         started        15 note.exe 2->15         started        17 2 other processes 2->17 process3 signatures4 73 VBScript performs obfuscated calls to suspicious functions 10->73 75 Suspicious powershell command line found 10->75 77 Wscript starts Powershell (via cmd or directly) 10->77 19 powershell.exe 14 17 10->19         started        23 powershell.exe 15 13->23         started        25 conhost.exe 1 13->25         started        27 conhost.exe 15->27         started        29 conhost.exe 17->29         started        31 conhost.exe 17->31         started        process5 dnsIp6 57 20.106.255.48, 49712, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->57 67 Suspicious powershell command line found 19->67 69 Writes to foreign memory regions 19->69 71 Injects a PE file into a foreign processes 19->71 33 RegAsm.exe 5 4 19->33         started        36 powershell.exe 12 19->36         started        38 conhost.exe 19->38         started        40 RegAsm.exe 19->40         started        signatures7 process8 file9 53 C:\ProgramData\Apdata\note.exe, PE32 33->53 dropped 55 C:\Users\user\AppData\Local\...\install.vbs, data 33->55 dropped 42 wscript.exe 1 33->42         started        45 conhost.exe 36->45         started        process10 signatures11 79 Wscript starts Powershell (via cmd or directly) 42->79 47 cmd.exe 1 42->47         started        process12 process13 49 note.exe 2 47->49         started        51 conhost.exe 47->51         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/baf6ff9da2ad6da8d670a0c8e3203dc132f5c4ce57584c96c8a5f94550960982/
Threat name:
Script.Downloader.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2022-11-07 08:09:07 UTC
File Type:
Text
AV detection:
3 of 40 (7.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xl3p7hncvvw2rvtqudeogib5yezplrgok5mezfwiux4ukuewbgba._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1ec91c0ab95a84afe71e67bd355b04abf1cc65b68abded89ce1247dc5682a8e6
RemcosRAT
2f53875cb56cc1a1f69655fcfca71ac0f952b8d582bda33e101d8b262e38d0f9
RemcosRAT
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
68ab94c0010fc774ac9a19516648b177ab8762311e9a30f0beb49409b752dd78
RemcosRAT
70d6e951bd55244ca98fe522042be5209783c38dbe261d9f4c577da2cc6939cd
RemcosRAT
b0140b22d324bed8fea64268dae1d3368edc947f42651e2f2fbd772c210a5154
RemcosRAT
+ 2'156 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:navidad22 persistence rat
Link:
https://tria.ge/reports/221107-j1421shgaj/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
nuevosremcs.duckdns.org:2404
Dropper Extraction:
http://20.106.255.48/dll/lnk.pdf
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/baf6ff9da2ad/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/baf6ff9da2ad6da8d670a0c8e3203dc132f5c4ce57584c96c8a5f94550960982

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_VBS_Wscript_Shell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon

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 baf6ff9da2ad6da8d670a0c8e3203dc132f5c4ce57584c96c8a5f94550960982

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/329747/

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