MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc330757e04b4288f56c156273bf486b4f94c8665f52c4888db8fe63b9df923e. 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: 19


Intelligence 19 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc330757e04b4288f56c156273bf486b4f94c8665f52c4888db8fe63b9df923e
SHA3-384 hash: 712df7b86743d5a33b59d573a82bf4601b0f580b0d015c63562e2f37a54624417457a2a6d7bfeb25d7ef392fb32e69c1
SHA1 hash: 864fd09dd3f83f01998c62a201ff3baf52b08708
MD5 hash: 6f83271f21a3a6dc3f491c463e30a07d
humanhash: sad-alabama-don-illinois
File name:dwg.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'406'464 bytes
First seen:2026-03-31 07:29:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'853 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 24576:Y/5ScrFFG50zdrSvgiPe4GYrScLOvw9jbvifVsY3jL0MaNKtOAS:bcr250zdIgN4BrgvCKNsUDVFS
Threatray 4 similar samples on MalwareBazaar
TLSH T19A5501843259ED02D1B65FF40931D3B443B96D896811C307CEEABEEBBD3A795640A2D3
TrID 21.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
21.2% (.EXE) Win64 Executable (generic) (6522/11/2)
16.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
14.6% (.EXE) Win32 Executable (generic) (4504/4/1)
6.6% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Malware family:
remcos
Create hunting rule
ID:
1
File name:
dwg.bat
Verdict:
Malicious activity
Analysis date:
2026-03-31 07:32:32 UTC
Tags:
auto-startup rat remcos remote stealer mpress
Link:
https://app.any.run/tasks/d0830949-0f13-4a45-a41c-5479726b5f71

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.39347481.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69cb78163a18a6e1ddeff6c8
Tags:
autorun lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Launching a process
Reading critical registry keys
Launching a service
Changing a file
Forced shutdown of a system process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin masquerade packed packed packer_detected remcos tracker unknown vbnet
Link:
https://www.filescan.io/uploads/69cb78112346b9da57b29b82/reports/9e3da457-d287-4124-9aa4-652ccea6f029/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bc330757e04b4288f56c156273bf486b4f94c8665f52c4888db8fe63b9df923e
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-31T04:17:00Z UTC
Last seen:
2026-03-31T23:20:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic Trojan.MSIL.Inject.sb UDS:DangerousObject.Multi.Generic Trojan-PSW.Win32.Stealer.sb HEUR:Trojan-Spy.MSIL.BPLogger.gen Backdoor.Win32.Remcos.sb Trojan.Win32.Agent.sb Trojan.MSIL.Agent.sb Trojan-PSW.Win32.Greedy.sb Trojan-Dropper.Win32.Injector.sb Trojan.MSIL.Crypt.sb
Link:
https://opentip.kaspersky.com/bc330757e04b4288f56c156273bf486b4f94c8665f52c4888db8fe63b9df923e/results?tab=lookup
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/365243b5-c3ff-49bb-a9ce-cd6f5b711023
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1891295
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
AI detected malicious Powershell script
Antivirus detection for dropped file
Bypasses PowerShell execution policy
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 hidden mapped module (file has been removed from disk)
Found malware configuration
Injects a PE file into a foreign processes
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
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)
Uses dynamic DNS services
Windows shortcut file (LNK) contains suspicious command line arguments
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1891295 Sample: dwg.bat.exe Startdate: 31/03/2026 Architecture: WINDOWS Score: 100 54 oswork.duckdns.org 2->54 72 Suricata IDS alerts for network traffic 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 80 17 other signatures 2->80 8 dwg.bat.exe 8 2->8         started        12 powershell.exe 19 2->12         started        signatures3 78 Uses dynamic DNS services 54->78 process4 file5 40 C:\Users\user\AppData\...\YEWfgTZySOkf.exe, PE32 8->40 dropped 42 C:\Users\...\YEWfgTZySOkf.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\...\djl2nbyrjgj.ps1, ASCII 8->44 dropped 46 C:\Users\user\AppData\...\dwg.bat.exe.log, ASCII 8->46 dropped 82 Found hidden mapped module (file has been removed from disk) 8->82 84 Adds a directory exclusion to Windows Defender 8->84 86 Injects a PE file into a foreign processes 8->86 88 2 other signatures 8->88 14 dwg.bat.exe 4 3 8->14         started        19 powershell.exe 23 8->19         started        21 YEWfgTZySOkf.exe 12->21         started        23 conhost.exe 12->23         started        signatures6 process7 dnsIp8 56 oswork.duckdns.org 142.171.178.168, 2404, 49693, 49694 MTS-ASNCA Canada 14->56 48 C:\Users\user\AppData\Local\Temp\THAEED.tmp, MS-DOS 14->48 dropped 50 C:\Users\user\AppData\Local\Temp\THACD9.tmp, MS-DOS 14->50 dropped 52 C:\Users\user\AppData\Local\Temp\THAC6B.tmp, MS-DOS 14->52 dropped 58 Detected Remcos RAT 14->58 60 Maps a DLL or memory area into another process 14->60 25 userinit.exe 2 14->25         started        28 userinit.exe 1 14->28         started        30 userinit.exe 1 14->30         started        62 Loading BitLocker PowerShell Module 19->62 32 WmiPrvSE.exe 19->32         started        34 conhost.exe 19->34         started        64 Multi AV Scanner detection for dropped file 21->64 66 Contains functionality to bypass UAC (CMSTPLUA) 21->66 68 Contains functionalty to change the wallpaper 21->68 70 5 other signatures 21->70 36 YEWfgTZySOkf.exe 21->36         started        38 YEWfgTZySOkf.exe 21->38         started        file9 signatures10 process11 signatures12 90 Tries to steal Mail credentials (via file registry) 25->90 92 Tries to harvest and steal browser information (history, passwords, etc) 25->92 94 Unusual module load detection (module proxying) 25->94 96 Tries to steal Instant Messenger accounts or passwords 28->96 98 Tries to steal Mail credentials (via file / registry access) 28->98 100 Detected Remcos RAT 36->100
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bc330757e04b4288f56c156273bf486b4f94c8665f52c4888db8fe63b9df923e
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.35 Win 32 Exe x86
Link:
https://app.malva.re/file/6f83271f21a3a6dc3f491c463e30a07d
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc330757e04b4288f56c156273bf486b4f94c8665f52c4888db8fe63b9df923e/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/bc330757e04b4288f56c156273bf486b4f94c8665f52c4888db8fe63b9df923e
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xqzqov7ajnbir5lmcvrhhp2innhzjsdgl5jmjcenxd7ghoo7si7a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
86bd0fb523c233fe4e82fbb0f614482c65736dea768816f6d0b44cecbdb07535
RemcosRAT
bc330757e04b4288f56c156273bf486b4f94c8665f52c4888db8fe63b9df923e
RemcosRAT
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery execution rat
Link:
https://tria.ge/reports/260331-jb1cjaf13j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Drops startup file
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
Remcos
Remcos family
Malware Config
C2 Extraction:
oswork.duckdns.org:2404
Unpacked files
SH256 hash:
bc330757e04b4288f56c156273bf486b4f94c8665f52c4888db8fe63b9df923e
MD5 hash:
6f83271f21a3a6dc3f491c463e30a07d
SHA1 hash:
864fd09dd3f83f01998c62a201ff3baf52b08708
Link:
https://www.unpac.me/results/62090d97-b4bd-474f-b9b1-2f5d0d030911/
SH256 hash:
6e4fb9df42edd7c993c015bd2be8249f17e6005a7b217bfed2ef4e7693bcf91a
MD5 hash:
e579396ccacafde10158e9e8df9d763c
SHA1 hash:
97b5a1f94a182496d7886bc246ef1fe2aff03b8b
Detections:
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/62090d97-b4bd-474f-b9b1-2f5d0d030911/
SH256 hash:
4447fe8d112e6455f2dc2764ef66df2e8b028838c99706f2c565058d08d1bac4
MD5 hash:
a12cf68b20113c7325bcdefc4dfd9fa0
SHA1 hash:
a4d8c80cfccf2e0d45299a0de1d59520a7e3ab85
Link:
https://www.unpac.me/results/62090d97-b4bd-474f-b9b1-2f5d0d030911/
SH256 hash:
671d7a2f5663481353f69b370a8816154d941457dbe513fd1d40b577dae3dac9
MD5 hash:
4c5b6c3196f51d9d265185a244dd78f6
SHA1 hash:
b48b0927965c467d250bf48bdccda4062cef9bec
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/62090d97-b4bd-474f-b9b1-2f5d0d030911/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bc330757e04b/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/bc330757e04b4288f56c156273bf486b4f94c8665f52c4888db8fe63b9df923e

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Malspam

RemcosRAT

Executable exe bc330757e04b4288f56c156273bf486b4f94c8665f52c4888db8fe63b9df923e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/59858/

Comments