MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5103eaa70a4a80176440a0e0dc75136a0e7bcfd9a68d7c8440a4d0edea72011. 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: 5


Intelligence 5 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5103eaa70a4a80176440a0e0dc75136a0e7bcfd9a68d7c8440a4d0edea72011
SHA3-384 hash: d340876118beb59ba5ee2ed88911dd72892cd38c120a70b1a11c9a13cc0dd8f9a02de82be20ffa2fb1d02bfaed735d72
SHA1 hash: 8b3f6d2217b736d5bbe69de37a3dd95ee058151b
MD5 hash: f5b1c1919f175fce913df143accf44a3
humanhash: eighteen-nine-venus-finch
File name:Manford_VH-1100 Special Promotion Offer.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:42'035'452 bytes
First seen:2026-08-20 07:55:15 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/csv
ssdeep 6144:Mu2q5d3r/4ttba3Vp5Pwa1V61u3V376375NEJHapQkIkNVfh4tiGaONMH3Tazer2:V
TLSH T134975E10AFED161CF49A2B79ED5043277054B0DE29F169D8E0C2296EE93D7203FA199F
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6a86b361ed8c8fe6310fa048/reports/4c439d24-5f7e-4ccf-969d-bc8cb66c03e8/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c5103eaa70a4a80176440a0e0dc75136a0e7bcfd9a68d7c8440a4d0edea72011
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1961020
Signature
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Detected Remcos RAT
Found evasive API chain checking for user administrative privileges
Found malware configuration
Found stalling execution ending in API Sleep call
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Environment Variable Has Been Registered
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1961020 Sample: Manford_VH-1100 Special Pro... Startdate: 20/08/2026 Architecture: WINDOWS Score: 100 40 pub-378362a70f714a30b26c109732cabca4.r2.dev 2->40 42 digitalhoster.4nmn.com 2->42 44 4 other IPs or domains 2->44 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 13 other signatures 2->58 10 wscript.exe 37 1 2->10         started        signatures3 process4 signatures5 68 Suspicious powershell command line found 10->68 70 Wscript starts Powershell (via cmd or directly) 10->70 72 Bypasses PowerShell execution policy 10->72 74 5 other signatures 10->74 13 powershell.exe 14 7 10->13         started        17 powershell.exe 7 10->17         started        process6 dnsIp7 50 pub-378362a70f714a30b26c109732cabca4.r2.dev 104.18.50.34, 443, 49715 CLOUDFLARENET-CloudflareIncUS Canada 13->50 76 Writes to foreign memory regions 13->76 78 Found suspicious powershell code related to unpacking or dynamic code loading 13->78 80 Injects a PE file into a foreign processes 13->80 19 CasPol.exe 4 9 13->19         started        24 conhost.exe 13->24         started        26 conhost.exe 17->26         started        signatures8 process9 dnsIp10 46 digitalhoster.4nmn.com 217.60.102.8, 2269, 49716, 49717 HOSTSNAP-NETWORK-HostSNAPLLCUS United States 19->46 48 127.0.0.1 unknown unknown 19->48 32 C:\Users\user\AppData\...\cookies.sqlite-shm, data 19->32 dropped 34 C:\Users\user\AppData\...\Login Data.tmp, SQLite 19->34 dropped 36 C:\Users\user\AppData\...\Login Data.tmp, SQLite 19->36 dropped 38 C:\Users\user\...\Login Data For Account.tmp, SQLite 19->38 dropped 60 Contains functionality to bypass UAC (CMSTPLUA) 19->60 62 Detected Remcos RAT 19->62 64 Attempt to bypass Chrome Application-Bound Encryption 19->64 66 6 other signatures 19->66 28 msedge.exe 7 19->28         started        file11 signatures12 process13 process14 30 msedge.exe 28->30         started       
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yuid5ktqusuac5sebiha3r2rg2qopph5tjunpscebjgq5xvheaiq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:jim_rems collection credential_access defense_evasion discovery execution rat stealer trojan
Link:
https://tria.ge/reports/260820-jstlbasdmd/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Program Files directory
Drops file in Windows directory
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Loads dropped DLL
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Uses browser remote debugging
Family: Remcos
Process spawned unexpected child process
UAC bypass
Malware Config
C2 Extraction:
digitalhoster.4nmn.com:2269
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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Comments