MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cba055715bd2eafd3aa3b980a6401bc92c3afb110d4785207533db86bc73fe80. 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 14 File information Comments

SHA256 hash:	cba055715bd2eafd3aa3b980a6401bc92c3afb110d4785207533db86bc73fe80
SHA3-384 hash:	f7691638f9700d92b0d95bf109fe45da297f82609fba0925ef4ec2a6a5871f17676bf5aac1fb2a52444bec426d33aa51
SHA1 hash:	9c68535fa5856b3ddf1d092e65bf5fda0110c5fe
MD5 hash:	f3a4217a1d9283ba7c42c7fd358b3593
humanhash:	speaker-mountain-beer-oxygen
File name:	1747032433e64b69c8e99f2f0f4da9ed85ce669336305a2d93cd73602271574fa616589a5a966.dat-decoded
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	480'768 bytes
First seen:	2025-05-12 06:47:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep	12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSdn9:uiLJbpI7I2WhQqZ7d9
Threatray	4'196 similar samples on MalwareBazaar
TLSH	T1A5A4AE02BAD2C072D57161344D2AE735DABDBD202835997B73E61D9BFD30180A73A7B2
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	abuse_ch
Tags:	base64-decoded exe RemcosRAT

abuse_ch

Malware dropped as base64 encoded payload

Intelligence

File Origin

# of uploads :

# of downloads :

609

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

1747032433e64b69c8e99f2f0f4da9ed85ce669336305a2d93cd73602271574fa616589a5a966.dat-decoded

Verdict:

Malicious activity

Analysis date:

2025-05-12 08:10:16 UTC

Tags:

rat remcos remote

Link:

https://app.any.run/tasks/7fdbb5aa-428f-4818-9c9b-2dd9a4cb4212

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=68219ab5e16384d6a703bd5d

Tags:

downloader dropper remcos virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Creating a window

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

cmd config-extracted crypto evasive eventvwr fingerprint fingerprint keylogger lolbin microsoft_visual_cc packed rat rat remcos remcos windows

Link:

https://www.filescan.io/uploads/6821997d0b64e174c4227e3f/reports/d8b7d5e3-2365-4a41-b2f4-23cf8c8c1879/overview

Verdict:

Malicious

Labled as:

Dacic.A9349469.A.Generic

Link:

https://www.hybrid-analysis.com/sample/cba055715bd2eafd3aa3b980a6401bc92c3afb110d4785207533db86bc73fe80

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/447767fe-2735-44de-a90b-67d347397f64

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1687583

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

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

Deletes itself after installation

Detected Remcos RAT

Found malware configuration

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sigma detected: Remcos

Sigma detected: Script Interpreter Execution From Suspicious Folder

Sigma detected: Suspicious Script Execution From Temp Folder

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/cba055715bd2eafd3aa3b980a6401bc92c3afb110d4785207533db86bc73fe80

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/cba055715bd2eafd3aa3b980a6401bc92c3afb110d4785207533db86bc73fe80/

Threat name:

Win32.Backdoor.Remcos

Status:

Malicious

First seen:

2025-05-12 06:47:26 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

34 of 37 (91.89%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zoqfk4k32lvp2ovdxgakmqa3zewdv6yrbvdykidvgpnynpdt72aa._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

76d0d86d97956a68204c7ab31b3b8f99d446f7dc030e23f80e6c18214cbe2a31

RemcosRAT

ac4e313d582ab153491aa677a62883b70a2e8a907a009ace26e906712dda5e97

RemcosRAT

b254541038b979c1c21f489e21bc15f594492aff656bc908aa54033bafb05775

RemcosRAT

baea7827b54884191bbdca46eaab9f83bbbf416de1ad0f22bb3eaab85f4e3328

RemcosRAT

c5669d80feebd4e30450274673c686811134d9d6893166b05524a9d7aa9e315e

RemcosRAT

error

RemcosRAT

+ 4'186 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:dumebi discovery

Link:

https://tria.ge/reports/250512-hkdpfsfr8v/

Behaviour

Modifies registry class

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Checks computer location settings

Deletes itself

Malware Config

C2 Extraction:

byamba.webredirect.org:54604
kabla.duckdns.org:54604

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/789cbb4b-a208-4b7c-9fcd-96b2a8989cfa

Unpacked files

SH256 hash:

cba055715bd2eafd3aa3b980a6401bc92c3afb110d4785207533db86bc73fe80

MD5 hash:

f3a4217a1d9283ba7c42c7fd358b3593

SHA1 hash:

9c68535fa5856b3ddf1d092e65bf5fda0110c5fe

Detections:

win_remcos_w0

win_remcos_auto

Remcos

Link:

https://www.unpac.me/results/862b3f23-4baf-4a8d-846a-e879dedb573d/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/cba055715bd2/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/cba055715bd2eafd3aa3b980a6401bc92c3afb110d4785207533db86bc73fe80

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

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

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_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.

Web download

RemcosRAT

unknown e64b69c8e99f2f0f4da9ed85ce669336305a2d93cd73602271574fa616589a5a

RemcosRAT

exe cba055715bd2eafd3aa3b980a6401bc92c3afb110d4785207533db86bc73fe80

(this sample)

Dropped by

SHA256 e64b69c8e99f2f0f4da9ed85ce669336305a2d93cd73602271574fa616589a5a

Dropped by

MD5 98878244bab85232b7dc066c25233beb

URLhaus

https://urlhaus.abuse.ch/url/3541830/

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::LoadLibraryExW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetDriveTypeA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::AllocConsole KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP
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
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

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample