MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7795f522a55ae41cb43c380f7bb4150a2170b9fca1e8b98070ee32934f32fb1a. 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
| SHA256 hash: | 7795f522a55ae41cb43c380f7bb4150a2170b9fca1e8b98070ee32934f32fb1a |
|---|---|
| SHA3-384 hash: | b23eae4d7204754f3fc9a716d5465daf8781da2e4defda4b495a0070e64b6b371aac9c383f882d4496c3e641bf6106a3 |
| SHA1 hash: | 98fa5eca5a16266471c1b5056d03846f3c9c6f50 |
| MD5 hash: | e0ed0c9ca4b1c665c4e3bf59264437a7 |
| humanhash: | delta-kansas-indigo-oklahoma |
| File name: | lukas.vbs |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 684'740 bytes |
| First seen: | 2023-06-20 08:18:22 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 1536:FQvgYcpa5U+ogsUJW4Wrle/PhG+/kery+bGMvbEQEkqkM5Lyi9LYHIdtUogy6Gi0:QgYcpl+og0S7TbEQEkqkMWsgw9ZqeH |
| Threatray | 2'099 similar samples on MalwareBazaar |
| TLSH | T1D8E44E197E9F40FCE13ABD5A5BECAA9C0F5FB305453EA1092148454B4B87DC28E91FA3 |
| TrID | 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1) 33.3% (.MP3) MP3 audio (1000/1) |
| Reporter |  lowmal3 |
| Tags: | RemcosRAT vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
135
Origin country :
DEVendor Threat Intelligence
Detection:
n/a
Verdict:
No Threat
Threat level:
10/10
Confidence:
100%
Verdict:
Malicious
Labled as:
Valyria
Result
Verdict:
MALICIOUS
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
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
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suspicious powershell command line found
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Generic Downloader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Valyria
Status:
Malicious
First seen:
2023-06-20 08:19:06 UTC
File Type:
Text (VBS)
AV detection:
7 of 37 (18.92%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 2'089 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:lukas-host collection rat spyware stealer
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Drops startup file
Reads user/profile data of web browsers
Blocklisted process makes network request
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
colukas37.ddns.net:2111
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
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: | iexplorer_remcos |
|---|---|
| Author: | iam-py-test |
| Description: | Detect iexplorer being taken over by Remcos |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| 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. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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