MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d7ed09200c40b2f12d11415ea4f46e4b35b03d7e34b11e0e3339dc4e8ed687e. 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: 2d7ed09200c40b2f12d11415ea4f46e4b35b03d7e34b11e0e3339dc4e8ed687e
SHA3-384 hash: bdfacf17f8c1fa90bb73dc8bec846de587f93fa1b0a5c81d19f8dd05c37dd555f0d797ba8ccd511135fcb4e71b0a309f
SHA1 hash: 9ee67035856075573f66028e4694a999e647d744
MD5 hash: a32d581b0e933298fdad8007f0bc4f48
humanhash: washington-sierra-ink-nevada
File name:RFQ.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:532'956 bytes
First seen:2024-03-19 08:31:14 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:/2q1MBozZxA1VEWdNIb/1UYe0kagh//3PBLXgIe:TCBaQOWd81Uakzx/PBLXU
Threatray 53 similar samples on MalwareBazaar
TLSH T162B4237090A3BDEE13BA9F04B3A05C646F105E17535855CFF9EA3AE00BFAD48CA17855
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26270.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm dropper obfuscated packed remcos
Link:
https://www.filescan.io/uploads/65f94d8987137159d449cbb1/reports/164ed6ed-f507-4176-b05d-b069efe2ebca/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/2d7ed09200c40b2f12d11415ea4f46e4b35b03d7e34b11e0e3339dc4e8ed687e
Result
Verdict:
MALICIOUS
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1411566
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (has network functionality)
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1411566 Sample: RFQ.vbs Startdate: 19/03/2024 Architecture: WINDOWS Score: 100 42 geoplugin.net 2->42 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 11 other signatures 2->62 9 wscript.exe 2 2->9         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\payload.exe, PE32 9->36 dropped 70 Benign windows process drops PE files 9->70 72 VBScript performs obfuscated calls to suspicious functions 9->72 74 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->74 13 payload.exe 1 9->13         started        signatures6 process7 signatures8 76 Multi AV Scanner detection for dropped file 13->76 78 Machine Learning detection for dropped file 13->78 80 Writes to foreign memory regions 13->80 82 2 other signatures 13->82 16 CasPol.exe 3 15 13->16         started        21 CasPol.exe 13->21         started        23 CasPol.exe 13->23         started        process9 dnsIp10 38 185.255.114.127, 2404, 49699, 49700 DEDIPATH-LLCUS Germany 16->38 40 geoplugin.net 178.237.33.50, 49701, 80 ATOM86-ASATOM86NL Netherlands 16->40 34 C:\ProgramData\remcos\logs.dat, data 16->34 dropped 44 Maps a DLL or memory area into another process 16->44 46 Installs a global keyboard hook 16->46 25 CasPol.exe 1 16->25         started        28 CasPol.exe 1 16->28         started        30 CasPol.exe 2 16->30         started        32 CasPol.exe 16->32         started        48 Contains functionality to bypass UAC (CMSTPLUA) 21->48 50 Tries to steal Mail credentials (via file registry) 21->50 52 Contains functionalty to change the wallpaper 21->52 54 5 other signatures 21->54 file11 signatures12 process13 signatures14 64 Tries to steal Instant Messenger accounts or passwords 25->64 66 Tries to steal Mail credentials (via file / registry access) 25->66 68 Tries to harvest and steal browser information (history, passwords, etc) 28->68
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/2d7ed09200c40b2f12d11415ea4f46e4b35b03d7e34b11e0e3339dc4e8ed687e
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2d7ed09200c40b2f12d11415ea4f46e4b35b03d7e34b11e0e3339dc4e8ed687e/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-03-19 06:13:24 UTC
File Type:
Text (VBS)
AV detection:
3 of 24 (12.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fv7nbeqayqfs6ewrcqk6ut2g4szvwa6x4nfrdyhdgoo4j2hnnb7a._file
Verdict:
malicious
Similar samples:
28fdb04c466bfb70a6b98c5d11c99c78ab9bab25cc7ede218218cabd7fe4d777
RemcosRAT
46be5a44d8b7c61a1a7fd2e1d31f7146c6ca1659bb188534fd90b8c191e9b464
RemcosRAT
4be0fc438ec7fe6f743b923d2471d2f4eeeccd64be9afff23094da6af3db46a6
RemcosRAT
4fdd79b1b60575e0e10c37a7203f6c07ed57f17bbba740c2c592e2aa668963b1
RemcosRAT
660f2be2087d54741e99ef96df97b3d942b1a28e98bf9cc75109930111f7da87
RemcosRAT
af3bf861bae05aaaea96d97ae10a56fff11d9158cdd61198334871a578b4ca81
RemcosRAT
+ 43 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat
Link:
https://tria.ge/reports/240319-kfas4sfg6v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
185.255.114.127:2404
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/2d7ed09200c40b2f12d11415ea4f46e4b35b03d7e34b11e0e3339dc4e8ed687e

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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Comments