MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36eb34ece6c481c886f93c61db623463142c2f14269a39128c3c6ea24e1b419c. 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: 17

Intelligence 17 IOCs YARA 10 File information Comments

SHA256 hash:	36eb34ece6c481c886f93c61db623463142c2f14269a39128c3c6ea24e1b419c
SHA3-384 hash:	5faac9912e4366db757c9ec42aacbe1ebad4a78558f15dc949648fede8dafaa80c233bd1252f8ebe0cb54905435b0229
SHA1 hash:	1e7f9c653b36d7198008e4f6696e63cc43184c67
MD5 hash:	a3cb7be24917f1dec0b6a85195e523be
humanhash:	jupiter-social-mountain-white
File name:	36eb34ece6c481c886f93c61db623463142c2f14269a39128c3c6ea24e1b419c
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	86'528 bytes
First seen:	2024-04-03 12:56:49 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d3a62971944197f0701c7049a9c739d1 (60 x RemcosRAT)
ssdeep	1536:ThhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6ar:1hzYTGWVvJ8f2v1TbPzuMsIFSHNThy+N
Threatray	344 similar samples on MalwareBazaar
TLSH	T19D83E813FA4AD0B2E46591F145426F32CEBCBC3636492173D38FCA41AD79892D416EAF
TrID	33.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 17.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 14.0% (.SCR) Windows screen saver (13097/50/3) 11.2% (.EXE) Win64 Executable (generic) (10523/12/4) 7.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):
dhash icon	989894b49c9494f0 (43 x RemcosRAT)
Reporter	adrian__luca
Tags:	exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

312

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

36eb34ece6c481c886f93c61db623463142c2f14269a39128c3c6ea24e1b419c.exe

Verdict:

Malicious activity

Analysis date:

2024-04-03 13:28:19 UTC

Tags:

rat remcos

Link:

https://app.any.run/tasks/419d8e9f-cd92-44d8-9b80-3ba60a920911

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Setting a keyboard event handler

Creating a file in the %AppData% subdirectories

Connection attempt to an infection source

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug anti-vm anti-vm evasive evasive eventvwr explorer fingerprint hook keylogger lolbin remcos shell32

Link:

https://www.filescan.io/uploads/660d5223eda31927461b19da/reports/e8935852-fb57-43b8-9932-88988607f417/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/36eb34ece6c481c886f93c61db623463142c2f14269a39128c3c6ea24e1b419c

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/799ac572-349f-4d26-afce-6f4b232b697f

Result

Threat name:

Remcos

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1419391

Signature

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to capture and log keystrokes

Contains functionality to detect virtual machines (IN, VMware)

Contains functionality to inject code into remote processes

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

Detected Remcos RAT

Found malware configuration

Found stalling execution ending in API Sleep call

Installs a global keyboard hook

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Sigma detected: Remcos

Snort IDS alert for network traffic

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

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/36eb34ece6c481c886f93c61db623463142c2f14269a39128c3c6ea24e1b419c

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/36eb34ece6c481c886f93c61db623463142c2f14269a39128c3c6ea24e1b419c/

Threat name:

Win32.Backdoor.Rescoms

Status:

Malicious

First seen:

2024-04-03 12:57:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

24 of 24 (100.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=g3vtj3hgysa4rbxzhrq5wyrummkcylyue2ndseumhrxketq3igoa._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

1b92faab729835d30ba7c09f4033639f64b5e8b7aee6d2b09642262ff4d9e0f4

RemcosRAT

34540a51780e487ff9426db2ea9e2ed985e6c46130439de2e434b4a804446566

RemcosRAT

36eb34ece6c481c886f93c61db623463142c2f14269a39128c3c6ea24e1b419c

RemcosRAT

6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20

RemcosRAT

885e34ff7befbdcdb027a017843cbacdba7eebb34d3df2e3113cceb9adafe8b5

RemcosRAT

ac7d008a3ac44bc8dfe3edbbc8542ed5b51bcf911b67eb8e9a715ebb5250ad27

RemcosRAT

eeddb4eb1252a45f5a8246d68dc6557f3e0c6f264a0a6f42e81d041c53864a48

RemcosRAT

+ 334 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:credit-note

Link:

https://tria.ge/reports/240403-p6xg1sdg58/

Behaviour

Suspicious use of SetWindowsHookEx

Malware Config

C2 Extraction:

91.207.102.163:9771

Unpacked files

SH256 hash:

36eb34ece6c481c886f93c61db623463142c2f14269a39128c3c6ea24e1b419c

MD5 hash:

a3cb7be24917f1dec0b6a85195e523be

SHA1 hash:

1e7f9c653b36d7198008e4f6696e63cc43184c67

Detections:

Remcos

win_remcos_auto

win_remcos_g0

Remcos

malware_windows_remcos_rat

INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

Link:

https://www.unpac.me/results/e4557d83-0d24-4033-9cc7-3c7c4901e416/

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/36eb34ece6c481c886f93c61db623463142c2f14269a39128c3c6ea24e1b419c

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:	CMD_Ping_Localhost Create hunting rule

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

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

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

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

Rule name:	remcos_rat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	REMCOS_RAT_variants Create hunting rule

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.

Malspam

RemcosRAT

exe 36eb34ece6c481c886f93c61db623463142c2f14269a39128c3c6ea24e1b419c

(this sample)

Delivery method

Distributed via e-mail attachment

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_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::waveInAddBuffer WINMM.dll::waveInClose WINMM.dll::waveInOpen WINMM.dll::waveInPrepareHeader WINMM.dll::waveInStart WINMM.dll::waveInStop
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AdjustTokenPrivileges
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteA SHELL32.dll::ShellExecuteExA SHELL32.dll::ShellExecuteW
URL_MONIKERS_API	Can Download & Execute components	urlmon.dll::URLDownloadToFileA
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessA KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken KERNEL32.dll::VirtualAllocEx KERNEL32.dll::WriteProcessMemory KERNEL32.dll::CloseHandle WININET.dll::InternetCloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetDriveTypeA KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WinExec KERNEL32.dll::AllocConsole
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileA KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileMappingA KERNEL32.dll::DeleteFileA KERNEL32.dll::DeleteFileW
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExA ADVAPI32.dll::RegCreateKeyA ADVAPI32.dll::RegDeleteKeyA ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegQueryInfoKeyA ADVAPI32.dll::RegQueryValueExA
WIN_USER_API	Performs GUI Actions	USER32.dll::AppendMenuA USER32.dll::EmptyClipboard USER32.dll::FindWindowA USER32.dll::OpenClipboard USER32.dll::CreateWindowExA

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