MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46bc7a8c15a8f6bb2b34df5c9595eebfc50713aa0e51783bfe88a1aa36b85dad. 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: 16

Intelligence 16 IOCs YARA 19 File information Comments

SHA256 hash:	46bc7a8c15a8f6bb2b34df5c9595eebfc50713aa0e51783bfe88a1aa36b85dad
SHA3-384 hash:	55fe99efaa623c11ae0b17c6b1113277f21deff6c844e34197a687d0830b15d5674f42c64150262733e729a74e44fa9f
SHA1 hash:	23cf0d2ba65b38253e1ea9f8d3fdb503db54eb7f
MD5 hash:	e350843206405a14f8d1389aa96aa7b3
humanhash:	yankee-sodium-island-alaska
File name:	remcos_a.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	499'712 bytes
First seen:	2025-07-09 00:48:39 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1dac0fb7dad849409daf9e23353df461 (32 x RemcosRAT)
ssdeep	12288:2vSPwdNnNZGA3/hvESbvqCqYH2v595OuVIsPZ3HL:2qPONnNZ33/VY42hnOmZX
Threatray	1'158 similar samples on MalwareBazaar
TLSH	T141B4BF01B6E2C1B2D57654300D26E776DEBCFD202835897B73D60D57FE30190AA3AAB6
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	c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter	skocherhan
Tags:	exe github-john-wilson25 RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection:

Remcos

Link:

https://www.capesandbox.com/analysis/13580/

Detection(s):

Win.Trojan.Remcos-9841897-0

Win.Trojan.Remcos-10002580-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=686dbc98900df8e7f868be15

Tags:

downloader dropper remcos virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file

Enabling the 'hidden' option for recently created files

Creating a process from a recently created file

Creating a file in the %temp% directory

Launching a process

Creating a window

Creating a file in the %AppData% subdirectories

Sending a custom TCP request

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug cmd config-extracted crypto evasive exploit explorer fingerprint fingerprint keylogger lolbin microsoft_visual_cc packed rat rat remcos remcos windows

Link:

https://www.filescan.io/uploads/686dbc9790b9181d715e59fe/reports/0347bd41-17e2-43b1-9c42-6427de98124f/overview

Verdict:

Malicious

Labled as:

Trojan.Remcos

Link:

https://www.hybrid-analysis.com/sample/46bc7a8c15a8f6bb2b34df5c9595eebfc50713aa0e51783bfe88a1aa36b85dad

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/22bd44f5-0e72-46b6-b583-ea08c940ccf5

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/46bc7a8c15a8f6bb2b34df5c9595eebfc50713aa0e51783bfe88a1aa36b85dad

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

Executable PDB Path PE (Portable Executable) Win 32 Exe x86

Link:

https://app.malva.re/file/e350843206405a14f8d1389aa96aa7b3

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/46bc7a8c15a8f6bb2b34df5c9595eebfc50713aa0e51783bfe88a1aa36b85dad/

Threat name:

Win32.Backdoor.Remcos

Status:

Malicious

First seen:

2025-07-04 18:23:42 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

28 of 36 (77.78%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=i26hvdavvd3lwkzu35ojlfpox7cqoe5kbzixqo76rcq2unvylwwq._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

19a9db29d66bd418d0ed7f6c7bd429889fd738b24b16337ad894fae34bbdab69

RemcosRAT

6cc2fb149479570c8f47434b33dba731da0b08b48a609011965c878e34c57a5b

RemcosRAT

cf1f146ffa6951e45c24eada8fcef9fae06e8c7613ea0a5438d7bb6b868cadc9

RemcosRAT

ec83e63ec2b758afdcc2404676ec3c3c37730613e762e4a5b090202bc7b9ad74

RemcosRAT

error

RemcosRAT

f76cfb9f0844f53887f9a67c858e29e3c099d26072afb52a850e04306a93a9fd

RemcosRAT

+ 1'148 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost discovery persistence rat

Link:

https://tria.ge/reports/250709-a6j5csbp3z/

Behaviour

Modifies registry class

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Adds Run key to start application

Checks computer location settings

Executes dropped EXE

Remcos

Remcos family

Malware Config

C2 Extraction:

196.251.69.82,196.251.69.127:2404

Verdict:

Malicious

Tags:

rat remcos Win.Trojan.Remcos-9841897-0

YARA:

malware_windows_remcos_rat REMCOS_RAT_variants Remcos_Payload win_remcos_rat_unpacked Windows_Trojan_Remcos_b296e965 MAL_EXE_Remcos_RAT_Jul_22 Remcos

Link:

https://app.threat.zone/submission/a132fc39-a91a-42bc-8e02-2c7e205b6b81

Unpacked files

SH256 hash:

46bc7a8c15a8f6bb2b34df5c9595eebfc50713aa0e51783bfe88a1aa36b85dad

MD5 hash:

e350843206405a14f8d1389aa96aa7b3

SHA1 hash:

23cf0d2ba65b38253e1ea9f8d3fdb503db54eb7f

Detections:

win_remcos_w0

win_remcos_auto

Remcos

Link:

https://www.unpac.me/results/ec99bbb7-1d58-4d82-80bc-84d51045ede7/

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/46bc7a8c15a8f6bb2b34df5c9595eebfc50713aa0e51783bfe88a1aa36b85dad

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:	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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

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:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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_ Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked remcos malware samples.

Rule name:	REMCOS_RAT_variants Create hunting rule

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

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(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.

Cape

https://www.capesandbox.com/analysis/13580/

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
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
GDI_PLUS_API	Interfaces with Graphics	gdiplus.dll::GdiplusStartup gdiplus.dll::GdipGetImageEncoders gdiplus.dll::GdipGetImageEncodersSize gdiplus.dll::GdipAlloc
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringA WINMM.dll::mciSendStringW WINMM.dll::PlaySoundW WINMM.dll::waveInAddBuffer WINMM.dll::waveInClose WINMM.dll::waveInOpen
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::GetTokenInformation
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExA SHELL32.dll::ShellExecuteW
URL_MONIKERS_API	Can Download & Execute components	urlmon.dll::URLDownloadToFileW urlmon.dll::URLOpenBlockingStreamW
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW KERNEL32.dll::CreateProcessA KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken KERNEL32.dll::WriteProcessMemory KERNEL32.dll::CloseHandle WININET.dll::InternetCloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::FindFirstVolumeW KERNEL32.dll::FindNextVolumeW KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::AllocConsole KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetConsoleOutputCP KERNEL32.dll::SetConsoleTextAttribute KERNEL32.dll::SetStdHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileA KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileExW KERNEL32.dll::MoveFileW
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LookupPrivilegeValueA KERNEL32.dll::QueryDosDeviceW
WIN_CRYPT_API	Uses Windows Crypt API	ADVAPI32.dll::CryptAcquireContextA ADVAPI32.dll::CryptGenRandom
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegCreateKeyW ADVAPI32.dll::RegCreateKeyA ADVAPI32.dll::RegDeleteKeyA ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegOpenKeyExW
WIN_SVC_API	Can Manipulate Windows Services	ADVAPI32.dll::ChangeServiceConfigW ADVAPI32.dll::ControlService ADVAPI32.dll::OpenSCManagerW ADVAPI32.dll::OpenSCManagerA ADVAPI32.dll::OpenServiceW ADVAPI32.dll::QueryServiceConfigW
WIN_USER_API	Performs GUI Actions	USER32.dll::AppendMenuA USER32.dll::EmptyClipboard USER32.dll::OpenClipboard USER32.dll::CreateWindowExA

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