MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f96bd97ab89a17d3ff37e98cd44ed194d3f18a36690d6c2f1e29a854b354e599. 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 26 File information Comments

SHA256 hash: f96bd97ab89a17d3ff37e98cd44ed194d3f18a36690d6c2f1e29a854b354e599
SHA3-384 hash: c2297ca5ada6b2ec656ba416303adeafd73b945d469fc3a638047539d76c30e2b792cd6b0939e889a84bcf02c8318ad9
SHA1 hash: f0e38a0d2c271494381fc3d5c305aa2281be0c62
MD5 hash: eb0d48e4aa6ccc77cfb7eadd56b25763
humanhash: sweet-king-river-friend
File name:DHL-AWB-BL (Receipts & Invoices).vbs
Download: download sample
Signature RemcosRAT
File size:2'678 bytes
First seen:2024-02-08 06:21:11 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:BVdP8qd4LWBhJw04XtRSoRVRfRFRo9RqP1RLqReDR0TRqsRBnmRL48RCiRLKRmRB:5P5drhJUXtRXRVRfRFR2R81RORQRQRF2
TLSH T1585139076BF84318F3F35A44BE75A07646777E66A57DC32C02A8084E5AF25488C66FB3
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter abuse_ch
Tags:DHL RAT RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
126
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
rans.spre.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
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)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell download and load assembly
Sigma detected: Powershell download payload from hardcoded c2 list
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
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)
Tries to steal Mail credentials (via file registry)
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1388822 Sample: DHL-AWB-BL (Receipts & Invo... Startdate: 08/02/2024 Architecture: WINDOWS Score: 100 38 paste.ee 2->38 40 uploaddeimagens.com.br 2->40 42 2 other IPs or domains 2->42 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 62 16 other signatures 2->62 10 wscript.exe 1 2->10         started        signatures3 60 Connects to a pastebin service (likely for C&C) 38->60 process4 dnsIp5 44 paste.ee 172.67.187.200, 443, 49729, 49730 CLOUDFLARENETUS United States 10->44 76 System process connects to network (likely due to code injection or exploit) 10->76 78 VBScript performs obfuscated calls to suspicious functions 10->78 80 Suspicious powershell command line found 10->80 82 5 other signatures 10->82 14 powershell.exe 7 10->14         started        signatures6 process7 signatures8 90 Suspicious powershell command line found 14->90 92 Suspicious execution chain found 14->92 94 Found suspicious powershell code related to unpacking or dynamic code loading 14->94 17 powershell.exe 14 14 14->17         started        21 conhost.exe 14->21         started        process9 dnsIp10 36 uploaddeimagens.com.br 104.21.45.138, 443, 49731 CLOUDFLARENETUS United States 17->36 50 Writes to foreign memory regions 17->50 52 Injects a PE file into a foreign processes 17->52 23 RegAsm.exe 17->23         started        26 RegAsm.exe 3 13 17->26         started        signatures11 process12 dnsIp13 64 Contains functionality to bypass UAC (CMSTPLUA) 23->64 66 Tries to steal Mail credentials (via file registry) 23->66 68 Contains functionalty to change the wallpaper 23->68 74 5 other signatures 23->74 46 lora1.taiwantradeglobal.com 51.89.38.74, 2404, 49733, 49734 OVHFR France 26->46 48 geoplugin.net 178.237.33.50, 49736, 80 ATOM86-ASATOM86NL Netherlands 26->48 70 Tries to harvest and steal browser information (history, passwords, etc) 26->70 72 Maps a DLL or memory area into another process 26->72 29 RegAsm.exe 1 26->29         started        32 RegAsm.exe 1 26->32         started        34 RegAsm.exe 2 26->34         started        signatures14 process15 signatures16 84 Tries to steal Instant Messenger accounts or passwords 29->84 86 Tries to steal Mail credentials (via file / registry access) 29->86 88 Tries to harvest and steal browser information (history, passwords, etc) 32->88
Threat name:
Script-WScript.Trojan.Remcos
Status:
Malicious
First seen:
2024-02-08 01:18:09 UTC
File Type:
Text (VBS)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat spyware stealer
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
Blocklisted process makes network request
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
lora1.taiwantradeglobal.com:2404
lora2.taiwantradeglobal.com:2404
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:QbotStuff
Author:anonymous
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:TeslaCryptPackedMalware
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Author:Matthew @ Embee_Research
Rule name:yara_template

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 f96bd97ab89a17d3ff37e98cd44ed194d3f18a36690d6c2f1e29a854b354e599

(this sample)

  
Delivery method
Distributed via e-mail attachment

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