MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58b325dd99d79e625832bc2ba64d90ff7ae33d3bded6cb54ebc1e67d46c0f9ab. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 58b325dd99d79e625832bc2ba64d90ff7ae33d3bded6cb54ebc1e67d46c0f9ab
SHA3-384 hash: 54f6933af4c9ebb89050c8cd1c0463755102b128d85e2d7702e56cca0ad9ee26f2f056559640f7832c5211eb15023d99
SHA1 hash: c9d68f5c1e57f84144da42012a03d70c40e80d11
MD5 hash: 8cb7133f023bf9cf62c060cc61c847b1
humanhash: october-lima-arizona-ink
File name:SOSTENER.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:7'271 bytes
First seen:2026-02-28 10:09:37 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 192:4wOhMb1lGbQmQ1r2TUnJDVqsknC9xfD+qfRfEINlE:4wOhMplcunJhzSCr7d1N2
TLSH T1F2E184B9D5A5F8D4822B73913CE6EDC31083D123CF779AA4E14D08E11BA9275AFB4648
Magika batch
Reporter abuse_ch
Tags:bat RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SOSTENER.bat
Verdict:
Malicious activity
Analysis date:
2026-02-28 06:25:26 UTC
Tags:
remcos rat susp-powershell
Link:
https://app.any.run/tasks/b17f929d-eff6-45ca-822b-0b7eba58bf7f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/54984/
Detection(s):
SecuriteInfo.com.BAT.Obfuscated.4.16117.16431.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a28a558fffa866e3b3303d
Tags:
ransomware phishing shell sage
Verdict:
Malicious
Labled as:
BAT/Obfuscated.AZ trojan
Link:
https://www.hybrid-analysis.com/sample/58b325dd99d79e625832bc2ba64d90ff7ae33d3bded6cb54ebc1e67d46c0f9ab
Verdict:
Malicious
File Type:
unix shell
Detections:
Trojan-Downloader.PowerShell.NanoShield.sb PDM:Trojan.Win32.Generic HEUR:Trojan.BAT.Alien.gen
Link:
https://opentip.kaspersky.com/58b325dd99d79e625832bc2ba64d90ff7ae33d3bded6cb54ebc1e67d46c0f9ab/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1876317
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Detected Remcos RAT
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
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Decrypt And Execute Base64 Data
Sigma detected: Remcos
Sigma detected: Suspicious PowerShell IEX Execution Patterns
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Unusual module load detection (module proxying)
Uses dynamic DNS services
Writes to foreign memory regions
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: 1876317 Sample: SOSTENER.bat Startdate: 28/02/2026 Architecture: WINDOWS Score: 100 43 oficialrem.duckdns.org 2->43 45 yaso.su 2->45 47 7 other IPs or domains 2->47 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 71 16 other signatures 2->71 10 cmd.exe 1 2->10         started        13 svchost.exe 1 1 2->13         started        signatures3 69 Uses dynamic DNS services 43->69 process4 dnsIp5 77 Suspicious powershell command line found 10->77 16 powershell.exe 12 10->16         started        19 conhost.exe 10->19         started        57 127.0.0.1 unknown unknown 13->57 signatures6 process7 signatures8 59 Suspicious powershell command line found 16->59 61 Found suspicious powershell code related to unpacking or dynamic code loading 16->61 21 powershell.exe 14 24 16->21         started        process9 dnsIp10 49 pastefy.app 188.245.199.145, 443, 49685 PARSONLINETehran-IRANIR Iran (ISLAMIC Republic Of) 21->49 51 gitlab.com 172.65.251.78, 443, 49688 CLOUDFLARENETUS United States 21->51 53 yaso.su 172.67.213.5, 443, 49683 CLOUDFLARENETUS United States 21->53 37 C:\Users\user\AppData\...\s22ifu50.cmdline, Unicode 21->37 dropped 73 Writes to foreign memory regions 21->73 75 Injects a PE file into a foreign processes 21->75 26 MSBuild.exe 4 2 21->26         started        31 csc.exe 3 21->31         started        33 conhost.exe 21->33         started        file11 signatures12 process13 dnsIp14 55 oficialrem.duckdns.org 186.169.75.221, 49691, 5000 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 26->55 39 C:\ProgramData\remcos\logs.dat, data 26->39 dropped 79 Contains functionality to bypass UAC (CMSTPLUA) 26->79 81 Detected Remcos RAT 26->81 83 Contains functionalty to change the wallpaper 26->83 85 5 other signatures 26->85 41 C:\Users\user\AppData\Local\...\s22ifu50.dll, PE32 31->41 dropped 35 cvtres.exe 1 31->35         started        file15 signatures16 process17
Score:
82%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/58b325dd99d79e625832bc2ba64d90ff7ae33d3bded6cb54ebc1e67d46c0f9ab
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/58b325dd99d79e625832bc2ba64d90ff7ae33d3bded6cb54ebc1e67d46c0f9ab/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/58b325dd99d79e625832bc2ba64d90ff7ae33d3bded6cb54ebc1e67d46c0f9ab
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lczslxmz26pgewbsxqv2mtmq755ogpj333lmwvhlyhth2rwa7gvq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/260228-l7gleaas8b/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
oficialrem.duckdns.org:5000
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/58b325dd99d79e625832bc2ba64d90ff7ae33d3bded6cb54ebc1e67d46c0f9ab

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.

Web download

RemcosRAT

Batch (bat) bat 58b325dd99d79e625832bc2ba64d90ff7ae33d3bded6cb54ebc1e67d46c0f9ab

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/54984/
  
URLhaus
https://urlhaus.abuse.ch/url/3786650/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3787543/

Comments