MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 470c984d8e1d9413b351c38a01827c7386fd15aef28681559df36574908f7088. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 470c984d8e1d9413b351c38a01827c7386fd15aef28681559df36574908f7088
SHA3-384 hash: c26da765f8b53c885ca57db628fc40f537251a35d35032708cf89a18fa15f20021e1ac5b27856bfca1785db8232a0158
SHA1 hash: 5d0b9ea8fdd28779beb8873852381bbac3eebacc
MD5 hash: f62deeda85413470dbe05565945490c8
humanhash: mike-coffee-hydrogen-neptune
File name:Bank Remittance Copy.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:83'248 bytes
First seen:2023-05-08 08:22:40 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:mnHGdUBDCKtfYjE3Luo4+eaWMYFPk9Wai2Y:OHGd+CKtfSo4+DYFNai2Y
Threatray 52 similar samples on MalwareBazaar
TLSH T123838F62A3ED5114F2F33F50BCF955214A3BFEDA9C35C94D42845AAD42A2940ECB2B73
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter abuse_ch
Tags:RAT RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
153
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/387433/
Detection(s):
SecuriteInfo.com.HEUR.Trojan-Downloader.VBS.SLoad.gen.3491.23349.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6458b169c2315c7ec20e680e/reports/5b1c40c6-dfaa-4417-a1cd-c38b3545b56a/overview
Verdict:
Suspicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/470c984d8e1d9413b351c38a01827c7386fd15aef28681559df36574908f7088
Result
Verdict:
UNKNOWN
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1228165
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates autostart registry keys with suspicious values (likely registry only malware)
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Sigma detected: Remcos
Snort IDS alert for network traffic
Suspicious command line found
Suspicious powershell command line found
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)
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
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 861140 Sample: Bank_Remittance_Copy.vbs Startdate: 08/05/2023 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 8 other signatures 2->65 9 wscript.exe 1 2->9         started        13 wscript.exe 2->13         started        15 wscript.exe 2->15         started        process3 dnsIp4 49 192.168.2.1 unknown unknown 9->49 81 VBScript performs obfuscated calls to suspicious functions 9->81 83 Wscript starts Powershell (via cmd or directly) 9->83 85 Suspicious command line found 9->85 17 cmd.exe 1 9->17         started        signatures5 process6 signatures7 55 Suspicious powershell command line found 17->55 57 Wscript starts Powershell (via cmd or directly) 17->57 20 powershell.exe 15 17 17->20         started        24 conhost.exe 17->24         started        process8 dnsIp9 45 172.174.176.153, 49699, 80 ATT-INTERNET4US United States 20->45 47 paste.ee 188.114.96.7, 443, 49702 CLOUDFLARENETUS European Union 20->47 73 Suspicious powershell command line found 20->73 75 Creates autostart registry keys with suspicious values (likely registry only malware) 20->75 77 Writes to foreign memory regions 20->77 79 Injects a PE file into a foreign processes 20->79 26 aspnet_regbrowsers.exe 3 15 20->26         started        30 aspnet_regbrowsers.exe 20->30         started        32 powershell.exe 10 20->32         started        signatures10 process11 dnsIp12 51 davidwong4ghost.ddnsking.com 109.206.240.64, 2030, 49703, 49704 AWMLTNL Germany 26->51 53 geoplugin.net 178.237.33.50, 49705, 80 ATOM86-ASATOM86NL Netherlands 26->53 87 Maps a DLL or memory area into another process 26->87 89 Installs a global keyboard hook 26->89 34 aspnet_regbrowsers.exe 1 26->34         started        37 aspnet_regbrowsers.exe 26->37         started        39 aspnet_regbrowsers.exe 26->39         started        43 23 other processes 26->43 91 Contains functionality to bypass UAC (CMSTPLUA) 30->91 93 Contains functionality to steal Chrome passwords or cookies 30->93 95 Contains functionality to inject code into remote processes 30->95 97 3 other signatures 30->97 41 conhost.exe 32->41         started        signatures13 process14 signatures15 67 Tries to steal Instant Messenger accounts or passwords 34->67 69 Tries to steal Mail credentials (via file / registry access) 34->69 71 Tries to harvest and steal browser information (history, passwords, etc) 43->71
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/470c984d8e1d9413b351c38a01827c7386fd15aef28681559df36574908f7088/
Threat name:
Script-WScript.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2023-05-08 08:23:06 UTC
File Type:
Text
AV detection:
8 of 24 (33.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=i4gjqtmodwkbhm2ryofadat4oodp2fno6kdicvm56nsxjeepocea._file
Verdict:
malicious
Similar samples:
04d9ffc7ec20fe6a740721b913247ad7fdd7e5e4b33a11f9ef9bc64bab90a335
RemcosRAT
32fcd31207c5e310957801fca81578c9dcba9ed3515809f62a7d50d93ad033db
RemcosRAT
4e6e1b358655f1f1c107ddd46b98d13af70556011c31e1e3ea7e7125d5caab54
RemcosRAT
603529b388e236d8e83f550e3bea45ecb9664c7e8a6137bb1ee7981f13ee72fa
RemcosRAT
62263e2a3baa016b5048a6db6c0db98f8036c6fedb41216a6a08087ac7890413
RemcosRAT
d78b29ad72727646b68259fa0f61d61dc6317042881d407c6dc20b8499ea428b
RemcosRAT
+ 42 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:2023 gee host persistence rat
Link:
https://tria.ge/reports/230508-j95pxahf42/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Blocklisted process makes network request
Remcos
Malware Config
C2 Extraction:
davidwong4ghost.ddnsking.com:2030
Dropper Extraction:
http://172.174.176.153/dll/new_rump_vb.net.txt
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/470c984d8e1d/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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
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
Rule name:TeslaCryptPackedMalware
Create hunting rule
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:yara_template
Create hunting rule

File information

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

Malspam

RemcosRAT

Visual Basic Script (vbs) vbs 470c984d8e1d9413b351c38a01827c7386fd15aef28681559df36574908f7088

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/387433/

Comments