MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a20c0d8c528213634c00f34a21d192cb91998890eab02db5d60a3f12560730ed. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments
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SHA256 hash: a20c0d8c528213634c00f34a21d192cb91998890eab02db5d60a3f12560730ed
SHA3-384 hash: efb9a6ca9583206ae7200a060d03e73eb427e18753fb8881c61d71e345ee3502c6bd80c6411bd1273e4ac1d1015ab89a
SHA1 hash: ac8f4d779c1df20e8964f11582791ecc5f514d2a
MD5 hash: 38ad0b93ca4218010f5c95b320fb4b5c
humanhash: mobile-helium-spring-louisiana
File name:38ad0b93ca4218010f5c95b320fb4b5c.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:23'647 bytes
First seen:2026-03-03 14:40:36 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 384:KRBQ7s9wPixpIJ66cehPYn8Tk9BcfhioPmGOXaMsmZpFco3/anstVqw16O6mgyG0:KfQ5sFfoROgcFH/aMgwuZyOoiFq
Threatray 138 similar samples on MalwareBazaar
TLSH T183B23F3EC9859FF40B2A31A2A56F7A12A5140363B8382A5CBDCFC5993B35514CBB10ED
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
387
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/55424/
Detection(s):
TwinWave.EvilVBA.LostAtSeaFuncInDirection.20240306.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a6f2fb002d37d5c98325b0
Tags:
infosteal phishing
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint obfuscated obfuscated powershell powershell
Link:
https://www.filescan.io/uploads/69a6f30e9eaae84659422a42/reports/9c65f928-ee12-4474-b734-96dea873a782/overview
Verdict:
Malicious
Labled as:
Trojan.Autoruns.GenericS
Link:
https://www.hybrid-analysis.com/sample/a20c0d8c528213634c00f34a21d192cb91998890eab02db5d60a3f12560730ed
Verdict:
Malicious
File Type:
vbs
Detections:
PDM:Trojan.Win32.Generic Trojan-Downloader.PowerShell.NanoShield.sb Trojan.JS.SAgent.sb HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/a20c0d8c528213634c00f34a21d192cb91998890eab02db5d60a3f12560730ed/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1877542
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Register Wscript In Run Key
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
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)
Unusual module load detection (module proxying)
VBScript performs obfuscated calls to suspicious functions
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 MSIL Injector
Yara detected Powershell decode and execute
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: 1877542 Sample: YdtxwXE8G7.vbs Startdate: 03/03/2026 Architecture: WINDOWS Score: 100 47 shed.dual-low.part-0012.t-0009.t-msedge.net 2->47 49 pastefy.app 2->49 51 5 other IPs or domains 2->51 61 Sigma detected: Register Wscript In Run Key 2->61 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 17 other signatures 2->67 9 wscript.exe 1 2->9         started        12 svchost.exe 1 1 2->12         started        15 wscript.exe 2->15         started        17 wscript.exe 2->17         started        signatures3 process4 dnsIp5 75 VBScript performs obfuscated calls to suspicious functions 9->75 77 Suspicious powershell command line found 9->77 79 Wscript starts Powershell (via cmd or directly) 9->79 81 3 other signatures 9->81 19 powershell.exe 15 17 9->19         started        59 127.0.0.1 unknown unknown 12->59 signatures6 process7 dnsIp8 53 okullu.com 78.142.208.46, 443, 49687, 49689 VERIDYENVeridyenBilisimTeknolojileriSanayiveTicaretLi Turkey 19->53 55 pastefy.app 138.199.231.27, 443, 49686 ORANGE-BUSINESS-SERVICES-IPSN-ASNFR European Union 19->55 69 Writes to foreign memory regions 19->69 71 Modifies the context of a thread in another process (thread injection) 19->71 73 Injects a PE file into a foreign processes 19->73 23 MSBuild.exe 4 6 19->23         started        28 conhost.exe 19->28         started        signatures9 process10 dnsIp11 57 192.3.27.141, 49692, 49693, 8087 AS-COLOCROSSINGUS United States 23->57 39 C:\Users\user\AppData\Local\Temp\TH7C3.tmp, MS-DOS 23->39 dropped 41 C:\Users\user\AppData\Local\Temp\TH6A9.tmp, MS-DOS 23->41 dropped 43 C:\Users\user\AppData\Local\Temp\TH58F.tmp, MS-DOS 23->43 dropped 45 C:\ProgramData\remcos\logs.dat, data 23->45 dropped 83 Contains functionality to bypass UAC (CMSTPLUA) 23->83 85 Detected Remcos RAT 23->85 87 Found stalling execution ending in API Sleep call 23->87 89 8 other signatures 23->89 30 userinit.exe 1 23->30         started        33 userinit.exe 1 23->33         started        35 userinit.exe 23->35         started        37 2 other processes 23->37 file12 signatures13 process14 signatures15 91 Tries to steal Instant Messenger accounts or passwords 30->91 93 Tries to steal Mail credentials (via file / registry access) 30->93 95 Tries to harvest and steal browser information (history, passwords, etc) 33->95 97 Tries to steal Mail credentials (via file registry) 35->97 99 Unusual module load detection (module proxying) 35->99
Score:
86%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/a20c0d8c528213634c00f34a21d192cb91998890eab02db5d60a3f12560730ed
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a20c0d8c528213634c00f34a21d192cb91998890eab02db5d60a3f12560730ed/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/a20c0d8c528213634c00f34a21d192cb91998890eab02db5d60a3f12560730ed
Threat name:
Script-WScript.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-03-02 04:27:21 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uiga3dcsqijwgtaa6nfcdumszoiztceq5kyc3nowbi7revqhgdwq._file
Verdict:
malicious
Label(s):
nirsoft
Create hunting rule
remcos
Create hunting rule
admintool_mailpassview
Create hunting rule
Similar samples:
08e51e36a95e7aa0b388ccab1aa085836ed86b2ef8c0ccc21f10f700029e31a9
RemcosRAT
457ce298b2b36aba99ce04072e8dd1388c374a8d1fab4234ef009f01cd49a656
RemcosRAT
77b015bc671a8973f4860bd55352b39c681ecdad4ac48a7348c6bb6fee204898
RemcosRAT
a99b033ba05647d37a7e1e9de591fb6cb27495cd0368a1b165fbf8fde3785e2f
RemcosRAT
error
RemcosRAT
f2f54c1f70d2ad1d4deeadfdf3c9d27efbfbb9e09fb9beaabbfb7cf51d9eb4c3
RemcosRAT
+ 128 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection defense_evasion discovery execution persistence rat
Link:
https://tria.ge/reports/260303-r2m4wsdw2n/
Behaviour
Kills process with taskkill
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
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
Remcos
Remcos family
Malware Config
C2 Extraction:
192.3.27.141:8087
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a20c0d8c5282/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a20c0d8c528213634c00f34a21d192cb91998890eab02db5d60a3f12560730ed

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.

Cape
Cape
https://www.capesandbox.com/analysis/55424/

Comments