MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1107b76826b1102ea1f0f2134c036e20ad1d6bce76b35456702511b3e91ac3e. 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 1 File information Comments

SHA256 hash: c1107b76826b1102ea1f0f2134c036e20ad1d6bce76b35456702511b3e91ac3e
SHA3-384 hash: 0cbe7e3c382645db076802b95d28ed3bde46e89b3a466d9c4988a7e01141a813cec8477d538e65b491d2f4dd280db76c
SHA1 hash: 9c5c1e4980f03d9987377080018d1c11bb6d2099
MD5 hash: d76e775540793021b142d5b82b64c065
humanhash: chicken-xray-fourteen-batman
File name:Order enquiry.vbs
Download: download sample
Signature RemcosRAT
File size:131'980 bytes
First seen:2023-12-07 07:36:23 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:Al2r2v2nc2v2Fk2v2e2v2ZG2v2mv2v2x2v2Z2v2a2v2oU2g:AEqOnFOF9O3OZPOmOOQOIOTOoNg
TLSH T193D3261475EAC04DF1F3BF6B6EDD7DE54F0BBB66251A819974000B0B8F52A10CDA2B62
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
113
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade powershell
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Snort IDS alert for network traffic
Suspicious powershell command line found
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Generic Downloader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1355202 Sample: Order_enquiry.vbs Startdate: 07/12/2023 Architecture: WINDOWS Score: 100 38 uploaddeimagens.com.br 2->38 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 7 other signatures 2->50 10 wscript.exe 1 2->10         started        13 powershell.exe 3 15 2->13         started        signatures3 process4 signatures5 54 VBScript performs obfuscated calls to suspicious functions 10->54 56 Suspicious powershell command line found 10->56 58 Wscript starts Powershell (via cmd or directly) 10->58 60 3 other signatures 10->60 15 powershell.exe 7 10->15         started        18 powershell.exe 15 13->18         started        20 wscript.exe 13->20         started        22 conhost.exe 1 13->22         started        process6 signatures7 62 Suspicious powershell command line found 15->62 64 Obfuscated command line found 15->64 66 Found suspicious powershell code related to unpacking or dynamic code loading 15->66 24 powershell.exe 14 15 15->24         started        28 conhost.exe 15->28         started        process8 dnsIp9 40 23.95.235.86, 49704, 80 AS-COLOCROSSINGUS United States 24->40 42 uploaddeimagens.com.br 172.67.215.45, 443, 49702, 49703 CLOUDFLARENETUS United States 24->42 52 Suspicious powershell command line found 24->52 30 powershell.exe 12 24->30         started        32 conhost.exe 24->32         started        34 RegAsm.exe 24->34         started        signatures10 process11 process12 36 conhost.exe 30->36         started       
Threat name:
Script-WScript.Trojan.Remcos
Status:
Malicious
First seen:
2023-12-07 06:01:19 UTC
File Type:
Text (VBS)
AV detection:
7 of 37 (18.92%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Malware Config
Dropper Extraction:
https://uploaddeimagens.com.br/images/004/683/779/original/download.jpg?1701878864
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:SUSP_VBS_Wscript_Shell
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.

Malspam

RemcosRAT

Visual Basic Script (vbs) vbs c1107b76826b1102ea1f0f2134c036e20ad1d6bce76b35456702511b3e91ac3e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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