MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5597eea5da92846a234b37dd7bab25d7c35f31d823a5644094a7302e612bec61. 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 15 File information Comments

SHA256 hash:	5597eea5da92846a234b37dd7bab25d7c35f31d823a5644094a7302e612bec61
SHA3-384 hash:	88693a63448d2b8a385f182e2687a65a45a94e3d0c8870a52ea6ee7566fc0afecff078521dcd32ae348e0293c5fad3fe
SHA1 hash:	5f3ce7c166b088582c8683ed59af3cb0b9ea5e8c
MD5 hash:	ffcebbc1da7d4b6ce1860d8c097d5172
humanhash:	dakota-nuts-sweet-vegan
File name:	5597eea5da92846a234b37dd7bab25d7c35f31d823a5644094a7302e612bec61
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	970'752 bytes
First seen:	2025-04-08 08:41:33 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:Uu6J33O0c+JY5UZ+XC0kGso6FaF2ImWY:uu0c++OCvkGs9FaF2UY
TLSH	T1D625AD2273DDC360CB669173BF29B7016EBF3C614630B95B2F980D7DA950162262D7A3
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 :

342

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

5597eea5da92846a234b37dd7bab25d7c35f31d823a5644094a7302e612bec61

Verdict:

Suspicious activity

Analysis date:

2025-04-08 14:36:40 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/d0903288-cea8-435a-94a9-8967ad79ce7d

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=67f4e37be011fe619fad28a9

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

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/67f4e17040adfb5162bc04ce/reports/aa62b4ad-0969-4f29-b023-f5716354ba45/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/5597eea5da92846a234b37dd7bab25d7c35f31d823a5644094a7302e612bec61

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d356aed4-f710-4b12-bb66-50fe607e44e6

Result

Threat name:

Remcos

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1659368

Signature

Binary is likely a compiled AutoIt script file

C2 URLs / IPs found in malware configuration

Detected Remcos RAT

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: Remcos

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

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/5597eea5da92846a234b37dd7bab25d7c35f31d823a5644094a7302e612bec61

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5597eea5da92846a234b37dd7bab25d7c35f31d823a5644094a7302e612bec61/

Threat name:

Win32.Backdoor.Remcos

Status:

Malicious

First seen:

2025-03-27 13:24:00 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=kwl65jo2skcgui2lg7oxxkzf27bv6moyeoswiqeuu4yc4yjl5rqq._file

Verdict:

malicious

Label(s):

unc_loader_036

remcos

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery

Link:

https://tria.ge/reports/250408-kl9jmaslw9/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

AutoIT Executable

Drops startup file

Executes dropped EXE

Verdict:

Malicious

Tags:

trojan

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/e7d628a9-c043-42d2-b846-3fcc6c69f391

Unpacked files

SH256 hash:

5597eea5da92846a234b37dd7bab25d7c35f31d823a5644094a7302e612bec61

MD5 hash:

ffcebbc1da7d4b6ce1860d8c097d5172

SHA1 hash:

5f3ce7c166b088582c8683ed59af3cb0b9ea5e8c

Link:

https://www.unpac.me/results/36f81a08-b3b1-4f6b-8d6c-de9ea59d7c71/

SH256 hash:

ecfb41ec21c6cfae0ddba8b33b04510a1b39708641f3bd7c6ac1fb14d949f539

MD5 hash:

7585bfb6d6b8d652dda18c0499cdb502

SHA1 hash:

c7e4bae99411dae80edade9eca12605760ab6068

Detections:

win_remcos_g0

win_remcos_auto

Remcos

malware_windows_remcos_rat

Remcos

INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

Link:

https://www.unpac.me/results/36f81a08-b3b1-4f6b-8d6c-de9ea59d7c71/

Parent samples :

5fd17f9a81b9148e9744c34ac4f8bf0e0ee4858db085a11a3b9ca40e1f252e93
5597eea5da92846a234b37dd7bab25d7c35f31d823a5644094a7302e612bec61

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5597eea5da92/report/overview.html

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:	CMD_Ping_Localhost Create hunting rule

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

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer Create hunting rule
Author:	ditekSHen
Description:	detects Windows exceutables potentially bypassing UAC using eventvwr.exe

Rule name:	malware_Remcos_strings Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Remcos in memory

Rule name:	RAT_remcos_strings Create hunting rule
Author:	0x0d4y
Description:	This rule detects the remcos through your specific strings.
Reference:	Internal Research

Rule name:	Remcos Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Remcos in memory

Rule name:	remcos_rat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	REMCOS_RAT_variants Create hunting rule

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_Generic_Threat_994f2330 Create hunting rule
Author:	Elastic Security

Rule name:	win_remcos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.remcos.

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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