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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91efb70dfac25b773386e4e4cb99cd88d2408e047f23ddaf62e1273105b2ee01. 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: 22


Intelligence 22 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91efb70dfac25b773386e4e4cb99cd88d2408e047f23ddaf62e1273105b2ee01
SHA3-384 hash: fa7efc9546932e46442851886c438085c23eedfd35f9a680cb25a2369b2ad96ccdb547849ffc599dbe7d95d28437dcf9
SHA1 hash: 6fdc1dbda23aaa71f457a893779bc52393a6f0b3
MD5 hash: ffb21f95d31431580f61f5639b15a7fc
humanhash: spaghetti-ohio-early-sodium
File name:M66 _PO.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'205'248 bytes
First seen:2026-11-12 08:40:15 UTC
Last seen:2026-11-12 09:29:38 UTC
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'361 x AgentTesla, 20'866 x Formbook, 12'418 x SnakeKeylogger)
ssdeep 24576:3Q8ZOI829LHba/7ADCmoYi3CFpp7O+e/uMwRrDyBnO1MhzhF9c:U2FE29oYi3mTZeWMuP0O10h4
TLSH T1CE45DF142225CA06F5674BBAED70D3F493F59CCAE538D203AED67DEB35357A1A804283
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
184
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/887ccf45-3ff1-417f-8f91-a6d23bef83fb/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-11-12 08:44:20 UTC
Tags:
netreactor remcos rat
Link:
https://app.any.run/tasks/a865e8ed-2312-4365-9dfa-6e6a691640b1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/99567/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af57b72ed14d027dfb55a0f
Tags:
infosteal injection shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
Connection attempt
Deleting a recently created file
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed vbnet
Link:
https://www.filescan.io/uploads/6af57ba8e84c75854e82aea4/reports/48edb876-67af-40c4-921c-d07ff3f306eb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/91efb70dfac25b773386e4e4cb99cd88d2408e047f23ddaf62e1273105b2ee01
Verdict:
Malicious
File Type:
exe x32
Link:
https://opentip.kaspersky.com/91efb70dfac25b773386e4e4cb99cd88d2408e047f23ddaf62e1273105b2ee01/results?tab=lookup
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/57012f3f-9433-41e2-b2ec-035d527d9819
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/2004519
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
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 Internet Explorer form passwords
Contains functionalty to change the wallpaper
Detected Remcos RAT
Found malware configuration
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/91efb70dfac25b773386e4e4cb99cd88d2408e047f23ddaf62e1273105b2ee01
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.33 Win 32 Exe x86
Link:
https://app.malva.re/file/ffb21f95d31431580f61f5639b15a7fc
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91efb70dfac25b773386e4e4cb99cd88d2408e047f23ddaf62e1273105b2ee01/
Threat name:
Win32.Malware.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-11-12 08:41:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
13 of 36 (36.11%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=shx3odp2yjnxom4g4tsmxgonrdjebdqep4r53l3c4ettcbns5yaq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery execution rat spyware stealer
Link:
https://tria.ge/reports/261112-klhe5seb49/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks installed software on the system
Checks computer location settings
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Family: Remcos
Malware Config
C2 Extraction:
204.10.160.161:2404
Malware Family:
n/a
Verdict:
Malicious
Tags:
injector rat stealer evasion
YARA:
n/a
Link:
https://app.threat.zone/submission/f4c7cb8d-528d-41df-b89f-c526d1435bf5
Malware Family:
msil
Create hunting rule
Malicious:
True
Tags:
exe dotnet polymorphic
Link:
https://intel.virussign.com/intelligence/file/91efb70dfac25b773386e4e4cb99cd88d2408e047f23ddaf62e1273105b2ee01
Unpacked files
SH256 hash:
91efb70dfac25b773386e4e4cb99cd88d2408e047f23ddaf62e1273105b2ee01
MD5 hash:
ffb21f95d31431580f61f5639b15a7fc
SHA1 hash:
6fdc1dbda23aaa71f457a893779bc52393a6f0b3
Link:
https://www.unpac.me/results/2d7955fc-904d-4d99-8e99-a9c5c322ea04/
SH256 hash:
34aa956309140df74bba9d2be4ad7eb3f72e94b90628798c01a103b1e321c8ed
MD5 hash:
24f461eb77c6596053549cfe7d8f5c65
SHA1 hash:
019ef2c337a33e5518485fcc49c3082d329256c0
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/2d7955fc-904d-4d99-8e99-a9c5c322ea04/
Parent samples :
ae52bf45261050cb6a69adec5e46bd29253c4bea9d0d0777fc0db2841b43e296
6e359fe99f2c18567171140611aaba2e2926ea409036f30a76ec32f0e659da76
91efb70dfac25b773386e4e4cb99cd88d2408e047f23ddaf62e1273105b2ee01
b1d314a49440d00e8e1fc773bd018f3875e165200f867f688f869436b6178f7f
SH256 hash:
be02d40783e5f695449a8d700f27a11cee7443bc3bb75fe554314a0ba15ad576
MD5 hash:
54ce64d3a9d2be5ce7f1cd127e72b2af
SHA1 hash:
2144bed724e75be138dd54a7e176a69b8a651f61
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/2d7955fc-904d-4d99-8e99-a9c5c322ea04/
Parent samples :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 hash:
f8a64e8f16ca3992aff44a85a11c27cc2b313f0dcf89ff687603113d5c7769f2
MD5 hash:
3d962f09bd1eaa65de00682ac53bc3cc
SHA1 hash:
36a06d5611922c158e7cba70f88b54312026c06b
Link:
https://www.unpac.me/results/2d7955fc-904d-4d99-8e99-a9c5c322ea04/
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/91efb70dfac25b773386e4e4cb99cd88d2408e047f23ddaf62e1273105b2ee01

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:DotNet_RGB_Embedded_AssemblyLoader_Hunt
Create hunting rule
Author:ShadowOpCode
Description:Hunt .NET bitmap RGB extraction combined with embedded resources and assembly loading
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:HUNT_NET_Loader_ImagePixel_To_AssemblyLoad
Create hunting rule
Author:Anish Bogati
Description:Hunting: .NET loader that reads pixel data from an embedded image, loads it as a .NET assembly, and runs it via reflection or late binding. Catches bitmap-steganography loaders.
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:WIN_Malware_Derialock_ForgeAuto_3127f957_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Derialock (pe, etat extrait)
Rule name:WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects XWorm (pe, etat extrait)
Rule name:WIN_Sample_Unique_69354b41
Create hunting rule
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

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/99567/

Comments