MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2a2ef424d46551a299d19bdbd51297b926bb7bcbc933770841b6f712f3995dd. 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 22 File information Comments

SHA256 hash: e2a2ef424d46551a299d19bdbd51297b926bb7bcbc933770841b6f712f3995dd
SHA3-384 hash: 73a69c8843fb2b4433216688eed8e78dbb12d16aa6724191d89d2dfdf1bfa9738ce3820f098a9c736b4a9ed9542eeb29
SHA1 hash: 8d8daf3a43161bd0b69c5393a6d4e63d824ad559
MD5 hash: 470bc47afc0fd46ef5d0d77d0e651ba9
humanhash: oven-pennsylvania-nevada-three
File name:174832944546d98610e2af32aa0670d7ba148b467562fb54a598b8f590b967fb2e4945f01d852.dat-decoded
Download: download sample
Signature RemcosRAT
File size:480'768 bytes
First seen:2025-05-27 07:04:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep 12288:umnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSpn9:WiLJbpI7I2WhQqZ7p9
Threatray 4'130 similar samples on MalwareBazaar
TLSH T12DA4AE02BAD2C072D57161344D2AE735DABDBC212835997BB3E61D5BFD30180A73A7B2
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


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence


File Origin
# of uploads :
1
# of downloads :
454
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
174832944546d98610e2af32aa0670d7ba148b467562fb54a598b8f590b967fb2e4945f01d852.dat-decoded
Verdict:
Malicious activity
Analysis date:
2025-05-27 07:24:40 UTC
Tags:
rat remcos auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
downloader dropper
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Running batch commands
Launching a process
Connecting to a non-recommended domain
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
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
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Detected Remcos RAT
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1699618 Sample: 174832944546d98610e2af32aa0... Startdate: 27/05/2025 Architecture: WINDOWS Score: 100 41 Suricata IDS alerts for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 10 other signatures 2->47 9 174832944546d98610e2af32aa0670d7ba148b467562fb54a598b8f590b967fb2e4945f01d852.dat-decoded.exe 5 5 2->9         started        13 scvscs.exe 2->13         started        15 scvscs.exe 2->15         started        17 scvscs.exe 2->17         started        process3 file4 33 C:\ProgramData\Remcos\scvscs.exe, PE32 9->33 dropped 35 C:\Users\user\AppData\Local\...\install.vbs, data 9->35 dropped 37 C:\ProgramData\...\scvscs.exe:Zone.Identifier, ASCII 9->37 dropped 59 Detected Remcos RAT 9->59 61 Contains functionalty to change the wallpaper 9->61 63 Contains functionality to steal Chrome passwords or cookies 9->63 65 3 other signatures 9->65 19 wscript.exe 1 9->19         started        signatures5 process6 signatures7 49 Windows Scripting host queries suspicious COM object (likely to drop second stage) 19->49 22 cmd.exe 1 19->22         started        process8 process9 24 scvscs.exe 3 1 22->24         started        28 conhost.exe 22->28         started        dnsIp10 39 2.58.56.182, 443, 49712, 49723 SOFTNET-ASInternetServiceProviderinSloveniaandSouthE Netherlands 24->39 51 Antivirus detection for dropped file 24->51 53 Multi AV Scanner detection for dropped file 24->53 55 Detected Remcos RAT 24->55 57 6 other signatures 24->57 30 svchost.exe 24->30         started        signatures11 process12 signatures13 67 Detected Remcos RAT 30->67 69 Found evasive API chain (may stop execution after checking mutex) 30->69 71 Contains functionalty to change the wallpaper 30->71 73 3 other signatures 30->73
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-05-27 07:04:23 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:yakk discovery persistence rat
Behaviour
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Remcos
Remcos family
Malware Config
C2 Extraction:
2.58.56.182:443
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
Unpacked files
SH256 hash:
e2a2ef424d46551a299d19bdbd51297b926bb7bcbc933770841b6f712f3995dd
MD5 hash:
470bc47afc0fd46ef5d0d77d0e651ba9
SHA1 hash:
8d8daf3a43161bd0b69c5393a6d4e63d824ad559
Detections:
win_remcos_w0 win_remcos_auto Remcos
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: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:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
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.

46d98610e2af32aa0670d7ba148b467562fb54a598b8f590b967fb2e4945f01d

RemcosRAT

Executable exe e2a2ef424d46551a299d19bdbd51297b926bb7bcbc933770841b6f712f3995dd

(this sample)

  
Dropped by
SHA256 46d98610e2af32aa0670d7ba148b467562fb54a598b8f590b967fb2e4945f01d
  
Dropped by
MD5 5d3c20a8445da35ca8daa78caca3c9bb
  
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
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
WINMM.dll::waveInAddBuffer
WINMM.dll::waveInClose
WINMM.dll::waveInOpen
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
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::CreateProcessW
KERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.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
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

Comments