MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 392e729b28d037014cdd3f76d81c04d2a6eb877b38b10b6422b98c9bdf1fc437. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: 392e729b28d037014cdd3f76d81c04d2a6eb877b38b10b6422b98c9bdf1fc437
SHA3-384 hash: 46f21066be220b4d54934169c1ed2888c23910f4368e02a7a9261715c5bf5677d9944b42dee2a36adc5ad52b282b5a9e
SHA1 hash: fb58be988eb987ae1c96ce2e9d25ac605fbe2554
MD5 hash: da84a1063c7578b4be39174e7c8ae51c
humanhash: december-skylark-grey-salami
File name:Invoice_FedEx.bat
Download: download sample
Signature RemcosRAT
File size:977'931 bytes
First seen:2025-11-17 07:15:41 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 12288:a0GVvXr6AV1LodmTkkJMZAztq4NI2hQuzagiGzResQoGR5nJjuHlibeE4tWMpD+c:8JXa1YMiZOd2RQoAJKqhbMFrZ8uZ3S2
Threatray 160 similar samples on MalwareBazaar
TLSH T1AB25013D8E689CD6C7EA3352BC2AEF1900B85952D023C769F1D458EA4D39344EE2DD4E
Magika batch
Reporter abuse_ch
Tags:bat FedEx RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
67
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Invoice_FedEx.bat
Verdict:
Malicious activity
Analysis date:
2025-11-17 07:24:59 UTC
Tags:
remcos rat remote stealer susp-powershell mpress

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
obfuscate xtreme shell
Result
Verdict:
Clean
Maliciousness:

Behaviour
Running batch commands
Launching cmd.exe command interpreter
Creating a file
Launching a process
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 evasive masquerade obfuscated powershell
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-11-16T21:19:00Z UTC
Last seen:
2025-11-19T05:11:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Shellcode.sb Trojan.BAT.Agent.sb HEUR:Trojan.PowerShell.Tesre.sb Backdoor.Win32.Remcos.sb Trojan.PowerShell.AmsiBypass.sb PDM:Trojan.Win32.Generic HEUR:Trojan.BAT.Tesre.gen
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found evasive API chain checking for user administrative privileges
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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
Powershell drops PE file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
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)
Writes to foreign memory regions
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1815091 Sample: Invoice_FedEx.bat Startdate: 17/11/2025 Architecture: WINDOWS Score: 100 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 15 other signatures 2->62 10 cmd.exe 1 2->10         started        process3 signatures4 72 Suspicious powershell command line found 10->72 74 Bypasses PowerShell execution policy 10->74 13 cmd.exe 1 10->13         started        15 conhost.exe 10->15         started        process5 process6 17 cmd.exe 3 13->17         started        signatures7 54 Suspicious powershell command line found 17->54 20 powershell.exe 11 37 17->20         started        25 conhost.exe 17->25         started        process8 dnsIp9 50 172.245.95.9, 49721, 49722, 49723 AS-COLOCROSSINGUS United States 20->50 52 127.0.0.1 unknown unknown 20->52 42 C:\Users\user\AppData\Local\Temp\TH327B.tmp, MS-DOS 20->42 dropped 44 C:\Users\user\AppData\Local\Temp\TH320D.tmp, MS-DOS 20->44 dropped 46 C:\Users\user\AppData\Local\Temp\TH31DD.tmp, PE32+ 20->46 dropped 48 2 other malicious files 20->48 dropped 64 Detected Remcos RAT 20->64 66 Attempt to bypass Chrome Application-Bound Encryption 20->66 68 Tries to harvest and steal browser information (history, passwords, etc) 20->68 70 9 other signatures 20->70 27 RmClient.exe 1 20->27         started        30 RmClient.exe 1 20->30         started        32 RmClient.exe 20->32         started        34 3 other processes 20->34 file10 signatures11 process12 signatures13 76 Tries to steal Instant Messenger accounts or passwords 27->76 78 Tries to steal Mail credentials (via file / registry access) 27->78 80 Tries to harvest and steal browser information (history, passwords, etc) 30->80 82 Tries to steal Mail credentials (via file registry) 32->82 84 Unusual module load detection (module proxying) 32->84 36 WerFault.exe 16 34->36         started        38 msedge.exe 34->38         started        40 conhost.exe 34->40         started        process14
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-11-17 01:58:43 UTC
File Type:
Text
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
collection credential_access discovery execution stealer
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Uses browser remote debugging
Detected Nirsoft tools
NirSoft MailPassView
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

File information


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

Comments