MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06051fcdf49ca8dc96fecde6f1477cde2994a01f899ea063072e3c77789845fc. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: 06051fcdf49ca8dc96fecde6f1477cde2994a01f899ea063072e3c77789845fc
SHA3-384 hash: ce1e8513d75190b29782b84ea1129df4089db3e22b5d37dda93e71ca6e6354b74af720aa2308dd640e165920636869b8
SHA1 hash: 96e6385fc9c0b8b485eba5bc8f45420ea84b38e6
MD5 hash: 7921681c6200952fdf2db1a77381ac24
humanhash: sodium-grey-summer-eight
File name:crosscheckrosefloweronhairbeauty.gIF
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:153'842 bytes
First seen:2024-07-12 06:40:19 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:yZccvQGghdpPZp+ogsUJW4Wrle/PhG+/kery+bGsvky38sv5HnIgs:QghdpP+og0S7e9
TLSH T16AE39E4663EE4108B5F76F589A7691344B67BD99AD7AC25C008CA94E0FF3E40C970BB3
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter NDA0E
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
127
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Script.SNH-gen.28817.28689.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6690e1583bfaa4adffc82076win10vpnfull_triage
Tags:
n/a
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6690cfff7a9d16520070b856/reports/bcbaf88f-909c-4b16-8b06-1907438256bf/overview
Verdict:
Suspicious
Labled as:
VBS/Agent.BOA
Link:
https://www.hybrid-analysis.com/sample/06051fcdf49ca8dc96fecde6f1477cde2994a01f899ea063072e3c77789845fc
Result
Verdict:
MALICIOUS
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1472102
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Cscript/Wscript Uncommon Script Extension Execution
Sigma detected: HackTool - CrackMapExec PowerShell Obfuscation
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1472102 Sample: crosscheckrosefloweronhairb... Startdate: 12/07/2024 Architecture: WINDOWS Score: 100 29 sembe.duckdns.org 2->29 31 ia803405.us.archive.org 2->31 33 2 other IPs or domains 2->33 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 57 16 other signatures 2->57 8 wscript.exe 14 2->8         started        signatures3 55 Uses dynamic DNS services 29->55 process4 dnsIp5 35 pastecode.dev 172.66.43.27, 443, 49709 CLOUDFLARENETUS United States 8->35 59 VBScript performs obfuscated calls to suspicious functions 8->59 61 Suspicious powershell command line found 8->61 63 Wscript starts Powershell (via cmd or directly) 8->63 65 4 other signatures 8->65 12 powershell.exe 14 15 8->12         started        signatures6 process7 dnsIp8 37 139.99.220.222, 49712, 80 OVHFR Canada 12->37 39 ia803405.us.archive.org 207.241.232.195, 443, 49710, 49711 INTERNET-ARCHIVEUS United States 12->39 67 Writes to foreign memory regions 12->67 69 Suspicious execution chain found 12->69 71 Injects a PE file into a foreign processes 12->71 16 RegAsm.exe 3 15 12->16         started        21 conhost.exe 12->21         started        signatures9 process10 dnsIp11 25 sembe.duckdns.org 194.187.251.115, 14645, 49713 M247GB United Kingdom 16->25 27 geoplugin.net 178.237.33.50, 49717, 80 ATOM86-ASATOM86NL Netherlands 16->27 23 C:\Users\user\AppData\Local\Temp\...\nots.dat, data 16->23 dropped 41 Contains functionality to bypass UAC (CMSTPLUA) 16->41 43 Detected Remcos RAT 16->43 45 Contains functionalty to change the wallpaper 16->45 47 5 other signatures 16->47 file12 signatures13
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/06051fcdf49ca8dc96fecde6f1477cde2994a01f899ea063072e3c77789845fc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/06051fcdf49ca8dc96fecde6f1477cde2994a01f899ea063072e3c77789845fc/
Threat name:
Script-WScript.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-07-11 06:46:37 UTC
File Type:
Text (VBS)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aycr7tputsunzfx6zxtpcr343yuzjia7rgpkayyhfy6ho6eyix6a._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost execution rat
Link:
https://tria.ge/reports/240712-jr41naxbma/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
Remcos
Malware Config
C2 Extraction:
sembe.duckdns.org:14645
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/06051fcdf49ca8dc96fecde6f1477cde2994a01f899ea063072e3c77789845fc

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

Rich Text Format (RTF) rtf 99a37b119f17a69497cd85b20466e078ffe63573266437bd62cbec91205465e2

RemcosRAT

Visual Basic Script (vbs) vbs 06051fcdf49ca8dc96fecde6f1477cde2994a01f899ea063072e3c77789845fc

(this sample)

  
Dropped by
SHA256 99a37b119f17a69497cd85b20466e078ffe63573266437bd62cbec91205465e2
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2950829/
  
Dropped by
MD5 84bafe55d9087cdfce20ebdd74b8610f

Comments