MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38e0af644ef980b21487b6e16dbaf21119014f3364c2d23ded1f52788b88421a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38e0af644ef980b21487b6e16dbaf21119014f3364c2d23ded1f52788b88421a
SHA3-384 hash: b2dca39d23005e8560d259b31ea6a3a034cf208295b2f7f9c2480560b41ce2e34515424ab814216c7799727e6ba72b47
SHA1 hash: e09d80133802b67d4f8fb75e33aeaba3d6490c4b
MD5 hash: babe1890ad4fd7c930ed7597731af200
humanhash: music-virginia-crazy-march
File name:2425252246__booking reservation .vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'067'983 bytes
First seen:2023-09-29 11:25:25 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:H+VwTRAsUiSCywRckyI9eY9NMTRG5HswskHL/bZF7C4g4LYyAKRI0IumIm2QJeM:HMwTSRiiCO4sWM
Threatray 2'616 similar samples on MalwareBazaar
TLSH T1B535D865431BC41607C46346DD984F89222DAE867E6BA23C339F1ACCD769360F41BADF
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/451919/
Detection(s):
Sanesecurity.Malware.25834.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm cscript lolbin remcos
Link:
https://www.filescan.io/uploads/6516b44e1edabd9982a1cff0/reports/c9e55b17-2ea4-4872-8984-210b332500c8/overview
Verdict:
Malicious
Labled as:
Emeka.Agent
Link:
https://www.hybrid-analysis.com/sample/38e0af644ef980b21487b6e16dbaf21119014f3364c2d23ded1f52788b88421a
Result
Verdict:
MALICIOUS
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1316443
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
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
Found malware configuration
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
Snort IDS alert for network traffic
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows Shell Script Host drops VBS files
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1316443 Sample: 2425252246__booking_reserva... Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 8 other signatures 2->56 8 wscript.exe 10 2->8         started        12 wscript.exe 7 2->12         started        process3 file4 42 C:\...\2425252246__booking_reservation_.vbs, Unicode 8->42 dropped 66 VBScript performs obfuscated calls to suspicious functions 8->66 68 Windows Shell Script Host drops VBS files 8->68 70 Drops VBS files to the startup folder 8->70 72 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->72 14 wscript.exe 10 8->14         started        74 Wscript called in batch mode (surpress errors) 12->74 18 wscript.exe 7 12->18         started        signatures5 process6 file7 44 C:\Users\user\AppData\Local\...\dynwrapx.dll, PE32 14->44 dropped 76 VBScript performs obfuscated calls to suspicious functions 14->76 78 Writes to foreign memory regions 14->78 80 Allocates memory in foreign processes 14->80 82 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->82 20 RegAsm.exe 3 14 14->20         started        24 regsvr32.exe 2 14->24         started        26 regsvr32.exe 14->26         started        34 5 other processes 14->34 84 DLL side loading technique detected 18->84 86 Injects a PE file into a foreign processes 18->86 28 RegAsm.exe 18->28         started        30 regsvr32.exe 18->30         started        32 RegAsm.exe 18->32         started        36 5 other processes 18->36 signatures8 process9 dnsIp10 46 141.95.84.40, 2222, 49778 DFNVereinzurFoerderungeinesDeutschenForschungsnetzese Germany 20->46 48 geoplugin.net 178.237.33.50, 49779, 80 ATOM86-ASATOM86NL Netherlands 20->48 58 Contains functionality to bypass UAC (CMSTPLUA) 20->58 60 Contains functionality to steal Chrome passwords or cookies 20->60 62 Contains functionality to modify clipboard data 20->62 64 2 other signatures 20->64 38 WerFault.exe 28->38         started        40 WerFault.exe 28->40         started        signatures11 process12
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/38e0af644ef980b21487b6e16dbaf21119014f3364c2d23ded1f52788b88421a/
Threat name:
Script-WScript.Trojan.Emeka
Create hunting rule
Status:
Malicious
First seen:
2023-09-29 12:05:24 UTC
AV detection:
5 of 36 (13.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hdqk6zco7galefehw3qw3oxscemqctztmtbneppnd5jhrc4iiina._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
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RemcosRAT
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70844fa5991d0089d8e76bb510ba8aeaeb1f0f053741c5876b15c4ced5075dc9
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914741181590f27bfb7f365db3e72c8a65e3b1744a80d614ef568b10f059fb46
RemcosRAT
9bf55d8f3b892e6b8706ec526eaa51cc8a1a727b45759494e2e388979a5708b8
RemcosRAT
b2d5e15268cb130c995118e17afa1198ca19604a20b91f1907a7ef18210db30f
RemcosRAT
d4da52e07bcf01df28c9106df95b75385eef2c06e3c4754efa6d1b772e940ea7
RemcosRAT
e029bc85866faf62332458961316cf1561c335b06076936f9e1ae87cbc0a868e
RemcosRAT
ea9723cd4dfeb319cedc75c0dd4cb5fa326b995580aee939085780092aafcda9
RemcosRAT
+ 2'606 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:lux0 persistence rat
Link:
https://tria.ge/reports/230929-njwfrsaa51/
Behaviour
Modifies registry class
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Registers COM server for autorun
Remcos
Malware Config
C2 Extraction:
141.95.84.40:2222
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/38e0af644ef9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/38e0af644ef980b21487b6e16dbaf21119014f3364c2d23ded1f52788b88421a

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:NET
Create hunting rule
Author:malware-lu
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.

Malspam

RemcosRAT

Visual Basic Script (vbs) vbs 38e0af644ef980b21487b6e16dbaf21119014f3364c2d23ded1f52788b88421a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/451919/

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