MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0dd72c45946626cebbce21d47e79ba0cd8f15cf57cb5ae61d6ebdcb0b272ade. 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: 19

Intelligence 19 IOCs YARA 15 File information Comments

SHA256 hash:	f0dd72c45946626cebbce21d47e79ba0cd8f15cf57cb5ae61d6ebdcb0b272ade
SHA3-384 hash:	133557f083ebc1504b9cf23de52fabeb5dc4573de3565131e02a4563a9093fa56993b0b6b453b38019b797c2b066d7be
SHA1 hash:	6f8694b271b2deba10c03fc7037eb02bf72bdf1a
MD5 hash:	e2a64a500166ee8b4c1261d3cecb89a4
humanhash:	mike-diet-red-texas
File name:	17388428447957df11df444c66f2aa2fc6aca96bc34e6a218b1c3044afde7b92597a4ed000836.dat-decoded
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	493'568 bytes
First seen:	2025-02-06 11:54:05 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	e77512f955eaf60ccff45e02d69234de (138 x RemcosRAT)
ssdeep	12288:N13ak/mBXTG4/1v08KI7ZnMEF76JqmsvZQPS:Hak/mBXTV/R0nEF76gFZE
TLSH	T14CA4BF01BAD2C072D57654300C3AE775DEBDBD21283A897BB3D61D57FD30190A63AAB2
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
File icon (PE):
dhash icon	c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter	abuse_ch
Tags:	base64-decoded exe RemcosRAT

abuse_ch

Malware dropped as base64 encoded payload

Intelligence

File Origin

# of uploads :

# of downloads :

558

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

17388428447957df11df444c66f2aa2fc6aca96bc34e6a218b1c3044afde7b92597a4ed000836.dat-decoded.exe

Verdict:

Malicious activity

Analysis date:

2025-02-06 11:57:12 UTC

Tags:

remcos rat

Link:

https://app.any.run/tasks/97286f43-07d1-41f3-9181-13daa46724a6

Note:

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

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=67a4a39751193558eb199845

Tags:

ransomware dropper remcos virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt to an infection source

DNS request

Connection attempt

Sending an HTTP GET request

Unauthorized injection to a recently created process

Restart of the analyzed sample

Reading critical registry keys

Creating a file in the %temp% directory

Query of malicious DNS domain

Sending a TCP request to an infection source

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

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

Link:

https://www.filescan.io/uploads/67a4a2e74293ba5ea47d7238/reports/0fb13bfa-f7c6-4642-beb2-f69b3e489ae3/overview

Verdict:

Malicious

Labled as:

Remcos.Generic

Link:

https://www.hybrid-analysis.com/sample/f0dd72c45946626cebbce21d47e79ba0cd8f15cf57cb5ae61d6ebdcb0b272ade

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/dd9a7312-072b-41ef-a27a-a9dfcfa39acf

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1608314

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to bypass UAC (CMSTPLUA)

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

Contains functionalty to change the wallpaper

Delayed program exit found

Detected Remcos RAT

Detected unpacking (changes PE section rights)

Found malware configuration

Joe Sandbox ML detected suspicious sample

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Sigma detected: Remcos

Suricata IDS alerts for network traffic

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Instant Messenger accounts or passwords

Tries to steal Mail credentials (via file / registry access)

Tries to steal Mail credentials (via file registry)

Uses dynamic DNS services

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Yara detected WebBrowserPassView password recovery tool

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f0dd72c45946626cebbce21d47e79ba0cd8f15cf57cb5ae61d6ebdcb0b272ade

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/f0dd72c45946626cebbce21d47e79ba0cd8f15cf57cb5ae61d6ebdcb0b272ade/

Threat name:

Win32.Backdoor.Remcos

Status:

Malicious

First seen:

2025-02-06 11:54:17 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

29 of 38 (76.32%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6doxfrczizrgz2544ioupz43udgy6fopk7fvvzq5n264wczhflpa._file

Verdict:

malicious

Label(s):

remcos

admintool_iepassview

nirsoft

admintool_mailpassview

Similar samples:

error

RemcosRAT

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:zyn5 collection discovery rat spyware stealer

Link:

https://tria.ge/reports/250206-n2ynvawldl/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Reads user/profile data of web browsers

Detected Nirsoft tools

NirSoft MailPassView

NirSoft WebBrowserPassView

Remcos

Remcos family

Malware Config

C2 Extraction:

sweetnessofbestthingsgivenbest.duckdns.org:14645

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/d8a08ed7-a56c-468e-8b1c-0daa3d1f037f

Unpacked files

SH256 hash:

f0dd72c45946626cebbce21d47e79ba0cd8f15cf57cb5ae61d6ebdcb0b272ade

MD5 hash:

e2a64a500166ee8b4c1261d3cecb89a4

SHA1 hash:

6f8694b271b2deba10c03fc7037eb02bf72bdf1a

Detections:

win_remcos_w0

win_remcos_auto

Remcos

Link:

https://www.unpac.me/results/60f0bb99-0e3d-46b8-8f43-a15e8b0dceb6/

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/f0dd72c45946626cebbce21d47e79ba0cd8f15cf57cb5ae61d6ebdcb0b272ade

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

Rule name:	iexplorer_remcos Create hunting rule
Author:	iam-py-test
Description:	Detect iexplorer being taken over by Remcos

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:	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.

7957df11df444c66f2aa2fc6aca96bc34e6a218b1c3044afde7b92597a4ed000

RemcosRAT

exe f0dd72c45946626cebbce21d47e79ba0cd8f15cf57cb5ae61d6ebdcb0b272ade

(this sample)

Dropped by

SHA256 7957df11df444c66f2aa2fc6aca96bc34e6a218b1c3044afde7b92597a4ed000

Dropped by

MD5 27817050f0d54c175fa42d50c48200fb

URLhaus

https://urlhaus.abuse.ch/url/3429890/

Delivery method

Distributed via web download

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
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::LoadLibraryExW KERNEL32.dll::GetDriveTypeA
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::DeleteFileW KERNEL32.dll::DeleteFileA 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::RegCreateKeyA ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegCreateKeyW 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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