MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d81847976ea210269bf3c98c5b32d40ed9daf78dbb1a9ce638ac472e501647d2. 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 1 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d81847976ea210269bf3c98c5b32d40ed9daf78dbb1a9ce638ac472e501647d2
SHA3-384 hash: cb8aec665b8b401896d851383cb6578698f5c9955a17e0f6fe09adffe927a74485759fd4a051f6c3bd301f9865b4baa7
SHA1 hash: 3fa8cc3ec14dd1fff24affc7f2c19c9c92e4b663
MD5 hash: 0044397fe549d182b1bfd55fd76e75eb
humanhash: vegan-north-ohio-cup
File name:SKMBT88122024816310TD01202817311 .vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:698'382 bytes
First seen:2024-09-18 13:45:08 UTC
Last seen:2024-09-23 17:37:52 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:9SSSSSSSSSSSSSSSSSSSSSSSx222222222222222222222222222222222222229:d1n/DSw8ccar2
Threatray 4'460 similar samples on MalwareBazaar
TLSH T1A4E4CF4766EF5509B1F76B58A97640780B277D299DBDC2AC01CCA45E0FE3A00CA61BF3
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika vba
Reporter abuse_ch
Tags:desckvbrat-com-br RAT RemcosRAT vbs


Avatar
abuse_ch
RemcosRAT C2:
212.162.149.163:2404

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
212.162.149.163:2404 https://threatfox.abuse.ch/ioc/1325616/

Intelligence

File Origin
# of uploads :
2
# of downloads :
170
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Script.SNH-gen.24867.16633.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ead99c5d6a2b58599aaad7
Tags:
Encryption Execution Generic Network Stealth
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
powershell
Link:
https://www.filescan.io/uploads/66ead99e5e9303a29422a446/reports/fb8d5d14-b56d-45b5-93fb-6114ad4a6b3c/overview
Verdict:
Suspicious
Labled as:
VBS/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/d81847976ea210269bf3c98c5b32d40ed9daf78dbb1a9ce638ac472e501647d2
Result
Verdict:
UNKNOWN
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1513201
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Connects to many ports of the same IP (likely port scanning)
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
Creates autostart registry keys with suspicious values (likely registry only malware)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Self deletion via cmd or bat file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Copy file to startup via Powershell
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to download and execute files (via powershell)
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 Generic Downloader
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: 1513201 Sample: SKMBT88122024816310TD012028... Startdate: 18/09/2024 Architecture: WINDOWS Score: 100 64 pastebin.com 2->64 66 konetou-emarketing.com 2->66 68 4 other IPs or domains 2->68 94 Suricata IDS alerts for network traffic 2->94 96 Found malware configuration 2->96 98 Malicious sample detected (through community Yara rule) 2->98 102 15 other signatures 2->102 10 wscript.exe 1 2->10         started        13 cmd.exe 1 2->13         started        15 cmd.exe 2->15         started        signatures3 100 Connects to a pastebin service (likely for C&C) 64->100 process4 signatures5 116 VBScript performs obfuscated calls to suspicious functions 10->116 118 Suspicious powershell command line found 10->118 120 Wscript starts Powershell (via cmd or directly) 10->120 122 3 other signatures 10->122 17 powershell.exe 7 10->17         started        20 powershell.exe 12 13->20         started        22 conhost.exe 13->22         started        24 powershell.exe 15->24         started        26 conhost.exe 15->26         started        process6 signatures7 82 Suspicious powershell command line found 17->82 84 Self deletion via cmd or bat file 17->84 86 Tries to download and execute files (via powershell) 17->86 92 3 other signatures 17->92 28 powershell.exe 14 18 17->28         started        33 conhost.exe 17->33         started        88 Writes to foreign memory regions 20->88 90 Injects a PE file into a foreign processes 20->90 35 RegAsm.exe 20->35         started        37 conhost.exe 20->37         started        39 RegAsm.exe 24->39         started        41 conhost.exe 24->41         started        process8 dnsIp9 76 desckvbrat.com.br 191.252.83.213, 21, 49706, 49707 LocawebServicosdeInternetSABR Brazil 28->76 78 konetou-emarketing.com 198.46.84.47, 443, 49712 INMOTI-1US United States 28->78 80 api.pastecode.io 188.114.96.3, 443, 49708, 49711 CLOUDFLARENETUS European Union 28->80 62 C:\Users\user\AppData\Local\...\zdeos.ps1, Unicode 28->62 dropped 134 Self deletion via cmd or bat file 28->134 43 powershell.exe 11 28->43         started        47 cmd.exe 10 28->47         started        49 powershell.exe 1 11 28->49         started        51 cmd.exe 1 28->51         started        136 Detected Remcos RAT 35->136 file10 signatures11 process12 dnsIp13 74 pastebin.com 104.20.3.235, 443, 49716, 49723 CLOUDFLARENETUS United States 43->74 124 Writes to foreign memory regions 43->124 126 Injects a PE file into a foreign processes 43->126 53 RegAsm.exe 43->53         started        56 RegAsm.exe 3 15 43->56         started        128 Suspicious powershell command line found 47->128 130 Wscript starts Powershell (via cmd or directly) 47->130 132 Creates autostart registry keys with suspicious values (likely registry only malware) 49->132 signatures14 process15 dnsIp16 104 Contains functionality to bypass UAC (CMSTPLUA) 53->104 106 Contains functionalty to change the wallpaper 53->106 108 Contains functionality to steal Chrome passwords or cookies 53->108 114 3 other signatures 53->114 70 212.162.149.163, 2404, 49720 UNREAL-SERVERSUS Netherlands 56->70 72 geoplugin.net 178.237.33.50, 49722, 80 ATOM86-ASATOM86NL Netherlands 56->72 60 C:\ProgramData\1210\logs.dat, data 56->60 dropped 110 Detected Remcos RAT 56->110 112 Installs a global keyboard hook 56->112 file17 signatures18
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/d81847976ea210269bf3c98c5b32d40ed9daf78dbb1a9ce638ac472e501647d2
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d81847976ea210269bf3c98c5b32d40ed9daf78dbb1a9ce638ac472e501647d2/
Threat name:
Script-WScript.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-09-18 09:26:32 UTC
File Type:
Text (VBS)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3amepf3ouiicng7tzggfwmwub3m5v54nxmnjzzryvrds4uawi7ja._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
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+ 4'450 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:nedday defense_evasion discovery execution persistence rat
Link:
https://tria.ge/reports/240918-q2ypysvdnr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Indicator Removal: File Deletion
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Remcos
Malware Config
C2 Extraction:
212.162.149.163:2404
Dropper Extraction:
https://drive.google.com/uc?export=download&id=
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Comments