MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52e5414e2e8aabecfc1c38926a3d863e1ee26bef5dc8453fc0568d9f263cf384. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: 52e5414e2e8aabecfc1c38926a3d863e1ee26bef5dc8453fc0568d9f263cf384
SHA3-384 hash: 30f1090ab73b8be7b5c4b4b15ef2824e789be58ad94cc1737d9b3c698165bc293b50839221235ef7d222d870686d4149
SHA1 hash: 660ee183f7f7a17eace0556c8883a2c361424cb0
MD5 hash: 354b34a3694e2b4d54ba3bca624aa3c3
humanhash: hawaii-orange-nebraska-utah
File name:354b34a3694e2b4d54ba3bca624aa3c3.exe
Download: download sample
Signature RemcosRAT
File size:1'293'824 bytes
First seen:2024-08-30 07:56:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:+tb20pkaCqT5TBWgNQ7aLHWD2rmiOWlcIqDBZLAkxy06A:rVg5tQ7aLHWDd/B9A65
Threatray 1'468 similar samples on MalwareBazaar
TLSH T19A55D01363DE8361C7B25273BA65B701BEBF782506B1F96B2FD4093DE820122525E673
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
451
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
csrss.exe
Verdict:
Malicious activity
Analysis date:
2024-08-29 10:39:16 UTC
Tags:
remcos 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:
Generic Stealth Trojan Autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin microsoft_visual_cc packed shell32
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1501694 Sample: rAwGQLtWJr.exe Startdate: 30/08/2024 Architecture: WINDOWS Score: 100 34 spacesave.duckdns.org 2->34 36 geoplugin.net 2->36 50 Suricata IDS alerts for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 58 11 other signatures 2->58 9 rAwGQLtWJr.exe 6 2->9         started        13 wscript.exe 1 2->13         started        signatures3 56 Uses dynamic DNS services 34->56 process4 file5 30 C:\Users\user\AppData\Local\...\dddddd.exe, PE32 9->30 dropped 64 Binary is likely a compiled AutoIt script file 9->64 15 dddddd.exe 3 9->15         started        66 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->66 19 dddddd.exe 2 13->19         started        signatures6 process7 file8 32 C:\Users\user\AppData\Roaming\...\dddddd.vbs, data 15->32 dropped 42 Multi AV Scanner detection for dropped file 15->42 44 Contains functionality to bypass UAC (CMSTPLUA) 15->44 46 Binary is likely a compiled AutoIt script file 15->46 48 7 other signatures 15->48 21 dddddd.exe 3 15 15->21         started        25 dddddd.exe 2 19->25         started        signatures9 process10 dnsIp11 38 spacesave.duckdns.org 23.95.60.82, 14645, 49708 AS-COLOCROSSINGUS United States 21->38 40 geoplugin.net 178.237.33.50, 49709, 80 ATOM86-ASATOM86NL Netherlands 21->40 60 Detected Remcos RAT 21->60 62 Binary is likely a compiled AutoIt script file 25->62 27 dddddd.exe 2 25->27         started        signatures12 process13 signatures14 68 Detected Remcos RAT 27->68 70 Binary is likely a compiled AutoIt script file 27->70
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2024-08-29 06:24:34 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Drops startup file
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
spacesave.duckdns.org:14645
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6c03fa3b7e1919ed27c0bf149298abb3ae3a0a144518290ba2af64521dee335b
MD5 hash:
b17e2cde1d48def58f56f304446ba5a7
SHA1 hash:
ec7478780cea98f4cdac7a9c8ac9720f132ed391
Detections:
Remcos win_remcos_auto win_remcos_w0 malware_windows_remcos_rat
SH256 hash:
52e5414e2e8aabecfc1c38926a3d863e1ee26bef5dc8453fc0568d9f263cf384
MD5 hash:
354b34a3694e2b4d54ba3bca624aa3c3
SHA1 hash:
660ee183f7f7a17eace0556c8883a2c361424cb0
Detections:
AutoIT_Compiled
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe 52e5414e2e8aabecfc1c38926a3d863e1ee26bef5dc8453fc0568d9f263cf384

(this sample)

  
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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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