MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45ecc6d2b02dec8430cc335af1479ad874e897e9fade308a9b054dd46f661a2c. 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: 14

Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash:	45ecc6d2b02dec8430cc335af1479ad874e897e9fade308a9b054dd46f661a2c
SHA3-384 hash:	334773ea9dfde0d51429fed7dfd17bc193f405328fe1bb6f9394fe7d1c819ce083503e8f1f857a55cb270cf2d4a679a6
SHA1 hash:	ded6056c336605a3428374bb594ccbaa029c5c9b
MD5 hash:	7133a58d3d89798e7be2923c8ef2b693
humanhash:	fix-idaho-london-east
File name:	SMSCGP22000033 Rakendusleping - Shishi AS.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'162'888 bytes
First seen:	2025-07-29 10:46:30 UTC
Last seen:	2025-07-29 13:08:01 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	e2a592076b17ef8bfb48b7e03965a3fc (419 x GuLoader, 63 x RemcosRAT, 52 x AgentTesla)
ssdeep	24576:4bkTjYNvqhMPakghKbUtFCj+45w8mIlHrs0z485CD2DU30xMU/A/Wxx:4bc6/aybyCjvw8DTzUqxM0txx
TLSH	T1843523207204CD96DAA229786F22C77A57EADD244A65CB4F37E07D4776FE2C3AC04B41
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
dhash icon	d58d4d69496d366c (3 x RemcosRAT, 2 x GuLoader)
Reporter	AntiSkidding
Tags:	exe RAT remcos RemcosRAT signed

Code Signing Certificate

Organisation:	Defrosters
Issuer:	Defrosters
Algorithm:	sha256WithRSAEncryption
Valid from:	2025-02-26T02:55:14Z
Valid to:	2026-06-01T02:55:14Z
Serial number:	2554f8fe46ffa456f0bc2c8bc00b8511ac6b9a7e
Thumbprint Algorithm:	SHA256
Thumbprint:	0f55a074b9f67f4fb22fb3cd754c2ae00d4a7149594a24daba4fcce8a8c6a9e2
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

625

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

SMSCGP22000033 Rakendusleping - Shishi AS.exe

Verdict:

Malicious activity

Analysis date:

2025-07-29 10:16:17 UTC

Tags:

remcos rat stealer remote

Link:

https://app.any.run/tasks/7261ebcb-5ac0-482c-b71f-68314c1eb0cf

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/17533/

Verdict:

Clean

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6888a6b90b4775fb2132e574

Tags:

n/a

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Searching for the window

Creating a file

Creating a file in the %temp% directory

Creating a file in the Windows subdirectories

Delayed reading of the file

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

adaptive-context anti-debug blackhole installer microsoft_visual_cc overlay overlay signed

Link:

https://www.filescan.io/uploads/6888a6bf17928df64943cae5/reports/62177b17-3715-4abf-853c-654111fe11bb/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/45ecc6d2b02dec8430cc335af1479ad874e897e9fade308a9b054dd46f661a2c

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/bd0280fe-b143-4cfe-b70a-287ef4257c36

Score:

95%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/45ecc6d2b02dec8430cc335af1479ad874e897e9fade308a9b054dd46f661a2c

Gathering data

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/45ecc6d2b02dec8430cc335af1479ad874e897e9fade308a9b054dd46f661a2c/

Verdict:

Malicious

Threat:

VHO:Trojan.Win32.GuLoader

Link:

https://tip.neiki.dev/file/45ecc6d2b02dec8430cc335af1479ad874e897e9fade308a9b054dd46f661a2c

Threat name:

Win32.Trojan.Guloader

Status:

Malicious

First seen:

2025-07-29 10:47:21 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

13 of 24 (54.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ixwmnuvqfxwiimgmgnnpcr423b2orf7j7lpdbcu3avg5i33gdiwa._file

Result

Malware family:

remcos

Score:

10/10

Tags:

family:guloader family:remcos botnet:new collection discovery downloader persistence rat

Link:

https://tria.ge/reports/250729-mvn1dswyf1/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Drops file in Windows directory

Drops file in System32 directory

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Adds Run key to start application

Loads dropped DLL

Detected Nirsoft tools

NirSoft MailPassView

NirSoft WebBrowserPassView

Guloader family

Guloader,Cloudeye

Remcos

Remcos family

Malware Config

C2 Extraction:

denagautr7jkoms1.duckdns.org:18760
denagautr7jkoms1.duckdns.org:18761
denagautr7jkoms2.duckdns.org:18760
denagautr7jkoms3.duckdns.org:18760
denagautr7jkoms4.duckdns.org:18760
denagautr7jkoms5.duckdns.org:18760

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/f6382d6a-5903-40ca-ae3c-db6855c33c42

Unpacked files

SH256 hash:

45ecc6d2b02dec8430cc335af1479ad874e897e9fade308a9b054dd46f661a2c

MD5 hash:

7133a58d3d89798e7be2923c8ef2b693

SHA1 hash:

ded6056c336605a3428374bb594ccbaa029c5c9b

Link:

https://www.unpac.me/results/5d67b243-22bf-4c39-9ed6-3d2aeba9544f/

SH256 hash:

2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc

MD5 hash:

a4dd044bcd94e9b3370ccf095b31f896

SHA1 hash:

17c78201323ab2095bc53184aa8267c9187d5173

Link:

https://www.unpac.me/results/5d67b243-22bf-4c39-9ed6-3d2aeba9544f/

Malware family:

GuLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/45ecc6d2b02d/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/45ecc6d2b02dec8430cc335af1479ad874e897e9fade308a9b054dd46f661a2c

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:	Detect_NSIS_Nullsoft_Installer Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects NSIS installers by .ndata section + NSIS header string

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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)

File information

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

Cape

https://www.capesandbox.com/analysis/17533/

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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Reviews

ID	Capabilities	Evidence
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::SetFileSecurityW
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDiskFreeSpaceW KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExW
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::AppendMenuW USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::OpenClipboard USER32.dll::PeekMessageW USER32.dll::CreateWindowExW

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