MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 717ba4eb861336f2e3cc533d55b17ac9e61fb6c1c660e56406aa36aa53ba878a. 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: 15

Intelligence 15 IOCs YARA 19 File information Comments

SHA256 hash:	717ba4eb861336f2e3cc533d55b17ac9e61fb6c1c660e56406aa36aa53ba878a
SHA3-384 hash:	a8f482025818419673ac8f559d236d4f96aa4c165e4613e8fe9c2248e7ec262361b994fa04b3f89ea1f7a5816199083d
SHA1 hash:	6b55020a0e18d1af93bf10b108652ba6aaeb23f6
MD5 hash:	01e3fbd7588786c36a7c0e898834e61e
humanhash:	berlin-black-oven-steak
File name:	717ba4eb861336f2e3cc533d55b17ac9e61fb6c1c660e56406aa36aa53ba878a
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'314'816 bytes
First seen:	2025-04-08 08:47:38 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:Tu6J33O0c+JY5UZ+XC0kGso6FaXWgjSlPRvT2wELOPi2gU5MuePWY:9u0c++OCvkGs9FaXWpPRvtCCgUmoY
Threatray	1 similar samples on MalwareBazaar
TLSH	T18155DF2273DDC360CB669173BF6AB7016EBF7C610630B85B2F980D7DA950162162D7A3
TrID	32.2% (.EXE) Win64 Executable (generic) (10522/11/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4504/4/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	adrian__luca
Tags:	exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

346

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

717ba4eb861336f2e3cc533d55b17ac9e61fb6c1c660e56406aa36aa53ba878a

Verdict:

No threats detected

Analysis date:

2025-04-08 15:26:42 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/7869ad9f-6c03-4e34-8092-550160329e65

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67f4e4e5a695a0cd1facb45e

Tags:

autorun autoit emotet remcos

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Creating a file in the %temp% directory

Creating a file

Creating a process from a recently created file

Launching a process

Сreating synchronization primitives

Connection attempt to an infection source

Query of malicious DNS domain

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug autoit cmdkey compiled-script extrac32 fingerprint hacktool keylogger lolbin microsoft_visual_cc packed packed packer_detected remcos

Link:

https://www.filescan.io/uploads/67f4e2d5231e7d1c755ae1e1/reports/8a036292-fd58-4da5-af55-dbf48c3d55f8/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/717ba4eb861336f2e3cc533d55b17ac9e61fb6c1c660e56406aa36aa53ba878a

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7c71d2fd-322e-462b-b6b5-6706a1bdf2e5

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1659149

Signature

Antivirus detection for URL or domain

Binary is likely a compiled AutoIt script file

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

Drops VBS files to the startup folder

Found malware configuration

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: Drops script at startup location

Sigma detected: WScript or CScript Dropper

Switches to a custom stack to bypass stack traces

System process connects to network (likely due to code injection or exploit)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/717ba4eb861336f2e3cc533d55b17ac9e61fb6c1c660e56406aa36aa53ba878a

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/717ba4eb861336f2e3cc533d55b17ac9e61fb6c1c660e56406aa36aa53ba878a/

Threat name:

Win32.Backdoor.Remcos

Status:

Malicious

First seen:

2025-03-27 10:40:22 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=of52j24gcm3pfy6mkm6vlml2zhtb7nwbyzqokzagvi3kuu52q6fa._file

Verdict:

malicious

Label(s):

unc_loader_036

remcos

Similar samples:

error

RemcosRAT

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:obi discovery rat

Link:

https://tria.ge/reports/250408-kqlncssth1/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

Drops startup file

Executes dropped EXE

Remcos

Remcos family

Malware Config

C2 Extraction:

swertyhgvcfrdewsquiplkjmnb.ydns.eu:25521

Verdict:

Malicious

Tags:

trojan

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/65d4baba-f244-4086-954b-441750af8a9a

Unpacked files

SH256 hash:

f24f28271b2a3bd3c345b0b0a9b4ec9d004fb1cda99defd8ddf9128f0e3b9c91

MD5 hash:

2979032655b7f6aa11fd3ad94a6ac7ed

SHA1 hash:

a27ca3def3c51c0a684c030b534d189cde3da00a

Detections:

win_remcos_w0

win_remcos_auto

Remcos

malware_windows_remcos_rat

win_remcos_rat_unpacked

INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Link:

https://www.unpac.me/results/d6ab1422-a66b-488a-a5b3-9c70c344b4f7/

Parent samples :

ce2fbb9b7200bc539e8f206f3a04426a72b88deeb1ea36d73ce896bdd1b342a4
717ba4eb861336f2e3cc533d55b17ac9e61fb6c1c660e56406aa36aa53ba878a

SH256 hash:

717ba4eb861336f2e3cc533d55b17ac9e61fb6c1c660e56406aa36aa53ba878a

MD5 hash:

01e3fbd7588786c36a7c0e898834e61e

SHA1 hash:

6b55020a0e18d1af93bf10b108652ba6aaeb23f6

Link:

https://www.unpac.me/results/d6ab1422-a66b-488a-a5b3-9c70c344b4f7/

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	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:	Remcos Create hunting rule
Author:	kevoreilly
Description:	Remcos Payload

Rule name:	REMCOS_RAT_variants Create hunting rule

Rule name:	Remcos_unpacked_PulseIntel Create hunting rule
Author:	PulseIntel
Description:	Remcos Payload

Rule name:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

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.

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

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