MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d50825f42162126cafad375cfe5995b2a0b632a5238ed9b66d929613e2ec7020. 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: 13


Intelligence 13 IOCs YARA 30 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d50825f42162126cafad375cfe5995b2a0b632a5238ed9b66d929613e2ec7020
SHA3-384 hash: fc255fe08ab685833cc59a9e3d504e292ec74091fb655c10271b62458a56f0cd73aa1b36b6f5b93f6317948720c313c0
SHA1 hash: a8912da924cc9c2c297646c8ea2200f561f08d22
MD5 hash: 66afde7583a629e8f770fb9b0e10474d
humanhash: delaware-utah-fifteen-ceiling
File name:Factura RO56644534643675747498881756084492.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:840'028 bytes
First seen:2025-08-25 09:05:19 UTC
Last seen:2025-10-15 12:32:42 UTC
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 24576:Dvi3ryptHC8cnihIAR2igdIckHaLz/Bvw:DIr887AHgdI96vi
Threatray 1'355 similar samples on MalwareBazaar
TLSH T17605EF3EDAB0ECD4036E71E4656D3B06222C0BC7F1629F9CF5D548A56C19589EB3BA0C
Magika batch
Reporter smica83
Tags:averolucasbk-duckdns-org bat lms-austria-com RemcosRAT wormoni-lms-austria-com

Intelligence

File Origin
# of uploads :
2
# of downloads :
55
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Factura RO56644534643675747498881756084492.bat
Verdict:
Malicious activity
Analysis date:
2025-08-25 09:07:30 UTC
Tags:
remcos rat auto-startup remote susp-powershell
Link:
https://app.any.run/tasks/ba2cdf82-19ab-4094-ab6e-a9b386c4c038

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/23380/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ac276f3e988eb6ab82a292
Tags:
autorun shell spawn sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 evasive masquerade obfuscated powershell
Link:
https://www.filescan.io/uploads/68ac276e253799db621b6c15/reports/ec647cb4-7053-4605-a650-7be3b13bc9fa/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/d50825f42162126cafad375cfe5995b2a0b632a5238ed9b66d929613e2ec7020
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-08-25T01:14:00Z UTC
Last seen:
2025-08-25T01:14:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d50825f42162126cafad375cfe5995b2a0b632a5238ed9b66d929613e2ec7020/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1764363
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Drops script or batch files to the startup folder
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1764363 Sample: Factura RO56644534643675747... Startdate: 25/08/2025 Architecture: WINDOWS Score: 100 94 wormoni.lms-austria.com 2->94 96 geoplugin.net 2->96 102 Suricata IDS alerts for network traffic 2->102 104 Found malware configuration 2->104 106 Malicious sample detected (through community Yara rule) 2->106 108 11 other signatures 2->108 9 cmd.exe 1 2->9         started        12 cmd.exe 1 2->12         started        14 cmd.exe 1 2->14         started        16 15 other processes 2->16 signatures3 process4 signatures5 112 Suspicious powershell command line found 9->112 18 cmd.exe 1 9->18         started        20 conhost.exe 9->20         started        22 cmd.exe 1 12->22         started        24 conhost.exe 12->24         started        26 cmd.exe 1 14->26         started        28 conhost.exe 14->28         started        30 cmd.exe 1 16->30         started        32 cmd.exe 1 16->32         started        34 28 other processes 16->34 process6 process7 36 cmd.exe 3 18->36         started        39 cmd.exe 2 22->39         started        41 cmd.exe 2 26->41         started        43 cmd.exe 2 30->43         started        45 cmd.exe 2 32->45         started        47 cmd.exe 34->47         started        49 cmd.exe 34->49         started        51 cmd.exe 34->51         started        53 10 other processes 34->53 signatures8 110 Suspicious powershell command line found 36->110 55 2 other processes 36->55 60 2 other processes 39->60 62 2 other processes 41->62 64 2 other processes 43->64 66 2 other processes 45->66 68 2 other processes 47->68 70 2 other processes 49->70 72 2 other processes 51->72 74 20 other processes 53->74 process9 dnsIp10 98 wormoni.lms-austria.com 192.145.124.6, 49687, 60736 M247GB Romania 55->98 100 geoplugin.net 178.237.33.50, 49688, 80 ATOM86-ASATOM86NL Netherlands 55->100 90 2 other malicious files 55->90 dropped 114 Suspicious powershell command line found 55->114 116 Drops script or batch files to the startup folder 55->116 118 Found suspicious powershell code related to unpacking or dynamic code loading 55->118 122 2 other signatures 55->122 76 C:\Users\user\AppData\Roaming\...\3f61.bat, ASCII 60->76 dropped 78 C:\Users\user\AppData\Roaming\...\c5f6.bat, ASCII 62->78 dropped 80 C:\Users\user\AppData\Roaming\...\b83a.bat, ASCII 64->80 dropped 82 C:\Users\user\AppData\Roaming\...\2767.bat, ASCII 66->82 dropped 84 C:\Users\user\AppData\Roaming\...\02c3.bat, ASCII 68->84 dropped 86 C:\Users\user\AppData\Roaming\...\85e5.bat, ASCII 70->86 dropped 88 C:\Users\user\AppData\Roaming\...\88a8.bat, ASCII 72->88 dropped 92 10 other malicious files 74->92 dropped 120 Detected Remcos RAT 74->120 file11 signatures12
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/d50825f42162126cafad375cfe5995b2a0b632a5238ed9b66d929613e2ec7020
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d50825f42162126cafad375cfe5995b2a0b632a5238ed9b66d929613e2ec7020/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/d50825f42162126cafad375cfe5995b2a0b632a5238ed9b66d929613e2ec7020
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2uecl5bbmijgzl5ng5op4wmvwkqlmmvfeohntntnsklbhyxmoaqa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
donut_injector
Create hunting rule
Similar samples:
006e397147d8545c57b503ba8a0981bae2dfb21e36fe13a76761644caeb3b596
RemcosRAT
0b50480469eff7d25015bbbb909389a2c300c8374aed9f0a35a3e7df8648c907
RemcosRAT
5ef13adb1cacef97a48246a5b92634225f332e24c22e11ec7f3161d49595fa5f
RemcosRAT
624f8c5eeb9c53aff00a43be9aeea85a0cb91eec236833e8c19424e70c1b5ddb
RemcosRAT
8ed39975fb97ec9dc4e4e39d96e1af7d500f5a7923b6a4cdcd446aa731e9c834
RemcosRAT
ccf51177e35672532087c0035850fa3c3842a99d39f0d93275f9cf383534fe78
RemcosRAT
e1a0ab5cadb0af718230bb8f907c649a313f1ff7bcbed6745c678811ce8a4465
RemcosRAT
e646f69ab13559c8f45cf9ec17c23b359bfd93a61d4932da2d81aab6f25c9d79
RemcosRAT
error
RemcosRAT
+ 1'345 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader defense_evasion discovery execution loader trojan
Link:
https://tria.ge/reports/250825-k2jyxavk16/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in System32 directory
Command and Scripting Interpreter: PowerShell
Drops startup file
Badlisted process makes network request
Modifies trusted root certificate store through registry
Detects DonutLoader
DonutLoader
Donutloader family
UAC bypass
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/d50825f42162126cafad375cfe5995b2a0b632a5238ed9b66d929613e2ec7020

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:SUSP_PS1_JAB_Pattern_Jun22_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:Internal Research
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)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

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/23380/

Comments