MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 457ce298b2b36aba99ce04072e8dd1388c374a8d1fab4234ef009f01cd49a656. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 457ce298b2b36aba99ce04072e8dd1388c374a8d1fab4234ef009f01cd49a656
SHA3-384 hash: 35866a3bcfe768d324ccbaa6104df0b3490fc445432f51d24231f5e087e27231b90efe2072f6e7b23d9314e35283eada
SHA1 hash: 820377c320d0e6fc3ebd644e98139feaed8c4ee0
MD5 hash: 42f4f19ba4f7d25c766e28f3f0a3d48b
humanhash: montana-california-sad-angel
File name:42f4f19ba4f7d25c766e28f3f0a3d48b.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:22'045 bytes
First seen:2026-02-28 10:25:23 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 384:K77cY0CRB/8Nag4UAGcKO+LdqJhvXmdlyTRCFbKsncg8BcrNT+OfI5SZ8FtwL/bW:K/KEgGZGM7TRUkJxokEzwQI
Threatray 309 similar samples on MalwareBazaar
TLSH T164A21E3EC9859FF40B6A31A5A66F791665140367B9383A4D79CFC09D3B35680CBF00EA
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/54990/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a2c2cec950ab5d9ab27141
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 guloader obfuscated obfuscated powershell powershell
Link:
https://www.filescan.io/uploads/69a2c2cb91ad9169e534c818/reports/e531b443-ce85-4934-87f4-36ddc28862d8/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/457ce298b2b36aba99ce04072e8dd1388c374a8d1fab4234ef009f01cd49a656
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 Trojan-Downloader.SLoad.TCP.ServerRequest
Link:
https://opentip.kaspersky.com/457ce298b2b36aba99ce04072e8dd1388c374a8d1fab4234ef009f01cd49a656/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/1876329
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: 1876329 Sample: txDj61ycqQ.vbs Startdate: 28/02/2026 Architecture: WINDOWS Score: 100 50 okullu.com 2->50 52 yaso.su 2->52 54 9 other IPs or domains 2->54 64 Sigma detected: Register Wscript In Run Key 2->64 66 Suricata IDS alerts for network traffic 2->66 68 Found malware configuration 2->68 70 17 other signatures 2->70 9 wscript.exe 1 2->9         started        12 wscript.exe 2->12         started        14 wscript.exe 2->14         started        signatures3 process4 signatures5 80 VBScript performs obfuscated calls to suspicious functions 9->80 82 Suspicious powershell command line found 9->82 84 Wscript starts Powershell (via cmd or directly) 9->84 86 3 other signatures 9->86 16 powershell.exe 15 17 9->16         started        process6 dnsIp7 44 okullu.com 78.142.208.46, 443, 49691 VERIDYENVeridyenBilisimTeknolojileriSanayiveTicaretLi Turkey 16->44 46 pastefy.app 188.245.199.145, 443, 49690 PARSONLINETehran-IRANIR Iran (ISLAMIC Republic Of) 16->46 48 yaso.su 172.67.213.5, 443, 49689 CLOUDFLARENETUS United States 16->48 58 Writes to foreign memory regions 16->58 60 Modifies the context of a thread in another process (thread injection) 16->60 62 Injects a PE file into a foreign processes 16->62 20 MSBuild.exe 4 6 16->20         started        25 conhost.exe 16->25         started        signatures8 process9 dnsIp10 56 192.3.27.141, 49696, 49699, 8087 AS-COLOCROSSINGUS United States 20->56 36 C:\Users\user\AppData\Local\Temp\TH2C00.tmp, MS-DOS 20->36 dropped 38 C:\Users\user\AppData\Local\Temp\TH2A98.tmp, MS-DOS 20->38 dropped 40 C:\Users\user\AppData\Local\Temp\TH2A0A.tmp, MS-DOS 20->40 dropped 42 C:\ProgramData\remcos\logs.dat, data 20->42 dropped 72 Contains functionality to bypass UAC (CMSTPLUA) 20->72 74 Detected Remcos RAT 20->74 76 Found stalling execution ending in API Sleep call 20->76 78 8 other signatures 20->78 27 userinit.exe 1 20->27         started        30 userinit.exe 1 20->30         started        32 userinit.exe 20->32         started        34 2 other processes 20->34 file11 signatures12 process13 signatures14 88 Tries to steal Instant Messenger accounts or passwords 27->88 90 Tries to steal Mail credentials (via file / registry access) 27->90 92 Tries to harvest and steal browser information (history, passwords, etc) 30->92 94 Tries to steal Mail credentials (via file registry) 32->94 96 Unusual module load detection (module proxying) 32->96
Score:
96%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/457ce298b2b36aba99ce04072e8dd1388c374a8d1fab4234ef009f01cd49a656
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/457ce298b2b36aba99ce04072e8dd1388c374a8d1fab4234ef009f01cd49a656/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/457ce298b2b36aba99ce04072e8dd1388c374a8d1fab4234ef009f01cd49a656
Threat name:
Script-WScript.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-02-28 00:55:45 UTC
File Type:
Text (VBS)
AV detection:
8 of 36 (22.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iv6ofgfswnvlvgooaqds5dorhcgdosund6vuenhpacpqdtkjuzla._file
Verdict:
malicious
Label(s):
nirsoft
Create hunting rule
remcos
Create hunting rule
admintool_mailpassview
Create hunting rule
Similar samples:
3b416b770ff0a3b807935b5a6ec00a87684d2b12bb2095dd2cd3d80dcce9064d
RemcosRAT
77b015bc671a8973f4860bd55352b39c681ecdad4ac48a7348c6bb6fee204898
RemcosRAT
a99b033ba05647d37a7e1e9de591fb6cb27495cd0368a1b165fbf8fde3785e2f
RemcosRAT
error
RemcosRAT
f2f54c1f70d2ad1d4deeadfdf3c9d27efbfbb9e09fb9beaabbfb7cf51d9eb4c3
RemcosRAT
+ 299 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/260228-mgpd1aaz9g/
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
Launches sc.exe
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
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/457ce298b2b36aba99ce04072e8dd1388c374a8d1fab4234ef009f01cd49a656

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/54990/

Comments