MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4feb8bb900c7b2ebc9c4084a7dd970aef9d87b38315f6dd700b1c90e4e59e557. 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
| SHA256 hash: | 4feb8bb900c7b2ebc9c4084a7dd970aef9d87b38315f6dd700b1c90e4e59e557 |
|---|---|
| SHA3-384 hash: | 27ed7ff75bf595c9932c83bdcd643a9192a87e0d458dcfd7771d262eb9186f1ee59c2fb5273bc707f8bb7988171f0e1c |
| SHA1 hash: | 0bcc3cec66af2e9d4316897ef7a0f0b1df29a71e |
| MD5 hash: | 275e5ee4a5bcc55c9679d61929e601a2 |
| humanhash: | arizona-double-queen-stairway |
| File name: | 4feb8bb900c7b2ebc9c4084a7dd970aef9d87b38315f6dd700b1c90e4e59e557 |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 441'856 bytes |
| First seen: | 2025-05-24 03:26:37 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f2fe0712ecb6c4feca65be4f410e904e (5 x RemcosRAT) |
| ssdeep | 6144:PIdUXq44bq4LrqMUz2y6cdjJ4nCb0KhEekcdK5xAO2ujXapSc3jEou:PIdU6tdyDJZQKhEe7WAuWp9Eou |
| Threatray | 1'095 similar samples on MalwareBazaar |
| TLSH | T10F949E11B982C036C17212740E29FB7699BCBD202936597B73EA5E5BBE701C1B736363 |
| 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 |  JAMESWT_WT |
| Tags: | 62-60-226-114 exe RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
456
Origin country :
ITVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
4feb8bb900c7b2ebc9c4084a7dd970aef9d87b38315f6dd700b1c90e4e59e557
Verdict:
Malicious activity
Analysis date:
2025-05-24 03:29:34 UTC
Tags:
remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
92.5%
Tags:
downloader dropper remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt to an infection source
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
crypto fingerprint fingerprint keylogger microsoft_visual_cc packed rat rat remcos remcos windows
Verdict:
Malicious
Labled as:
Dump:Generic.Dacic.A9349469.A
Malware family:
REMCOS
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
remcos
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-05-24 03:27:28 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 24 (95.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'085 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:lightempty discovery
Behaviour
System Location Discovery: System Language Discovery
Malware Config
C2 Extraction:
62.60.226.114:40101
62.60.226.114:40102
62.60.226.114:40103
62.60.226.114:40102
62.60.226.114:40103
Verdict:
Malicious
Tags:
rat remcos Win.Trojan.Remcos-9841897-0
YARA:
malware_windows_remcos_rat REMCOS_RAT_variants Remcos_Payload win_remcos_rat_unpacked MAL_EXE_Remcos_RAT_Jul_22 Remcos
Unpacked files
SH256 hash:
4feb8bb900c7b2ebc9c4084a7dd970aef9d87b38315f6dd700b1c90e4e59e557
MD5 hash:
275e5ee4a5bcc55c9679d61929e601a2
SHA1 hash:
0bcc3cec66af2e9d4316897ef7a0f0b1df29a71e
Detections:
win_remcos_w0
win_remcos_auto
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
| Rule name: | win_remcos_rat_unpacked |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | win_remcos_w0 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | yarahub_win_remcos_rat_unpacked_aug_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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 |
| 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::CreateProcessA KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle WININET.dll::InternetCloseHandle KERNEL32.dll::CreateThread |
| 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::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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