MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d3145ed99e32bf8617d890663b8cfeeca46808fb59e0a7551bbeba696bfb8b4. 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: 20


Intelligence 20 IOCs YARA 10 File information Comments

SHA256 hash: 9d3145ed99e32bf8617d890663b8cfeeca46808fb59e0a7551bbeba696bfb8b4
SHA3-384 hash: 2e4bfb21f74dc90c291c22ae3733cd5e59684548f28de9a3b42232a31756d4eae79674f9594160b45a8c5d254e8ef304
SHA1 hash: 7be55b17779e7523726c5f29fa72b28ca6a1dff7
MD5 hash: e3bc019bc53f5a56d35a98958e98a164
humanhash: pasta-jersey-sweet-mango
File name:250427-yvr8layzdz.bin
Download: download sample
Signature RemcosRAT
File size:9'105'320 bytes
First seen:2025-04-27 20:11:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f2fe0712ecb6c4feca65be4f410e904e (5 x RemcosRAT)
ssdeep 196608:f8jdFofQiyyr8YuFQ2OvNWMZ/7aVwaS+EYq:cI8Y4Ov0k/7E4
Threatray 1'086 similar samples on MalwareBazaar
TLSH T177962237F254E03EC5AA163249739620997BBE20691A4C2F13FC394DDF761A02F3B656
TrID 61.4% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
15.5% (.EXE) Win64 Executable (generic) (10522/11/4)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon ba7d6179494c6d3a (12 x Rhadamanthys, 9 x AurotunStealer, 3 x Vidar)
Reporter UNP4CK
Tags:RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
250427-yvr8layzdz.bin
Verdict:
Malicious activity
Analysis date:
2025-04-27 20:12:31 UTC
Tags:
remcos inno installer delphi rat remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
downloader injection dropper remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Connection attempt to an infection source
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-vm anti-vm crypto entropy fingerprint fingerprint keylogger lolbin masquerade microsoft_visual_cc overlay overlay packed packed packer_detected pnputil rat rat remcos remcos remote windows
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
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
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-04-26 04:11:41 UTC
File Type:
PE (Exe)
Extracted files:
323
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:lightautov3 discovery
Behaviour
Suspicious behavior: GetForegroundWindowSpam
System Location Discovery: System Language Discovery
Malware Config
C2 Extraction:
62.60.226.21:40106
62.60.226.101:40106
62.60.226.21:40105
62.60.226.101:40105
62.60.226.101:40104
62.60.226.21:40104
62.60.226.21:40103
Verdict:
Malicious
Tags:
rat remcos Win.Trojan.Remcos-9841897-0
YARA:
malware_windows_remcos_rat Remcos_Payload win_remcos_rat_unpacked MAL_EXE_Remcos_RAT_Jul_22 Remcos
Unpacked files
SH256 hash:
9d3145ed99e32bf8617d890663b8cfeeca46808fb59e0a7551bbeba696bfb8b4
MD5 hash:
e3bc019bc53f5a56d35a98958e98a164
SHA1 hash:
7be55b17779e7523726c5f29fa72b28ca6a1dff7
Detections:
win_remcos_w0
SH256 hash:
5566945c2cfd3e5a1a0a3051fd3bc3b4ebe39b3fb5307ff7dbd2773aaf9ff233
MD5 hash:
643517bb15c78cf4f5d8b174807ab287
SHA1 hash:
ae0d212db18dcf1f870962dc5cbd4215d43fcff4
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Borland
Author:malware-lu
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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.

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdipGetImageEncoders
gdiplus.dll::GdipGetImageEncodersSize
gdiplus.dll::GdipAlloc
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringA
WINMM.dll::mciSendStringW
WINMM.dll::PlaySoundW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::ShellExecuteW
URL_MONIKERS_APICan Download & Execute componentsurlmon.dll::URLDownloadToFileW
urlmon.dll::URLOpenBlockingStreamW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeW
KERNEL32.dll::FindNextVolumeW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleOutputCP
KERNEL32.dll::SetConsoleTextAttribute
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LookupPrivilegeValueA
KERNEL32.dll::QueryDosDeviceW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextA
ADVAPI32.dll::CryptGenRandom
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyA
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegCreateKeyW
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ChangeServiceConfigW
ADVAPI32.dll::ControlService
ADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::OpenSCManagerA
ADVAPI32.dll::OpenServiceW
ADVAPI32.dll::QueryServiceConfigW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::OpenClipboard
USER32.dll::CreateWindowExA

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