MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bef149490674703ed211bd591252d0c1557251e2e0844f4d5885d84ec0207ff. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 9bef149490674703ed211bd591252d0c1557251e2e0844f4d5885d84ec0207ff
SHA3-384 hash: 85fd3a745b6c696c23ba6fbd5d6c14f53a16f188153d62bdc1f9518691178674a981d77d96f2469b7716b7f584c8ba46
SHA1 hash: 229eaffc4f15cbf5b2e21d9360e396aee53fb1b7
MD5 hash: b54974cd7b04beb5d6c5377ff6170f7b
humanhash: five-nebraska-violet-montana
File name:b54974cd7b04beb5d6c5377ff6170f7b.exe
Download: download sample
Signature RemcosRAT
File size:1'279'488 bytes
First seen:2024-09-12 19:25:55 UTC
Last seen:2024-09-12 20:29:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:2AHnh+eWsN3skA4RV1Hom2KXMmHa3fGd4WclYQnJ/J+MB8hCdC45:Rh+ZkldoPK8Ya3ed4WcyAJB+M+hM
Threatray 1'135 similar samples on MalwareBazaar
TLSH T11A45BE02B3D6D036FFAB92739B6AF20196BD79250133852F12981DB9BD701B1273D663
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 393dccda9a8c3d39 (4 x RemcosRAT, 3 x XenoRAT, 2 x AsyncRAT)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
397
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b54974cd7b04beb5d6c5377ff6170f7b.exe
Verdict:
No threats detected
Analysis date:
2024-09-12 19:27:07 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Stealth Trojan Autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Connection attempt
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc 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 / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1510361 Sample: S91AYfMUT0.exe Startdate: 12/09/2024 Architecture: WINDOWS Score: 100 31 Suricata IDS alerts for network traffic 2->31 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 11 other signatures 2->37 7 S91AYfMUT0.exe 6 2->7         started        11 wscript.exe 1 2->11         started        process3 file4 25 C:\Users\user\AppData\Local\...\icon.exe, PE32 7->25 dropped 47 Binary is likely a compiled AutoIt script file 7->47 13 icon.exe 3 7->13         started        49 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->49 17 icon.exe 2 11->17         started        signatures5 process6 file7 27 C:\Users\user\AppData\Roaming\...\icon.vbs, data 13->27 dropped 51 Antivirus detection for dropped file 13->51 53 Multi AV Scanner detection for dropped file 13->53 55 Binary is likely a compiled AutoIt script file 13->55 61 3 other signatures 13->61 19 svchost.exe 3 13->19         started        57 Writes to foreign memory regions 17->57 59 Maps a DLL or memory area into another process 17->59 23 svchost.exe 17->23         started        signatures8 process9 dnsIp10 29 45.95.169.137, 2404, 49700, 49701 GIGANET-HUGigaNetInternetServiceProviderCoHU Croatia (LOCAL Name: Hrvatska) 19->29 39 System process connects to network (likely due to code injection or exploit) 19->39 41 Contains functionality to bypass UAC (CMSTPLUA) 19->41 43 Detected Remcos RAT 19->43 45 5 other signatures 19->45 signatures11
Threat name:
Win32.Trojan.Formbooks
Status:
Malicious
First seen:
2024-09-05 10:08:05 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
45.95.169.137:2404
Unpacked files
SH256 hash:
b3c898c7d267e4fefdb40b60f3b65b5af827b8b03e8ac5c36bf5148a9e4a8f3c
MD5 hash:
fbb65d6e960121f0c56ad66cb2eccab0
SHA1 hash:
12cebfd010409871d6b2bd6ef7fdf9b4e9ac248f
Detections:
Remcos win_remcos_auto win_remcos_w0 malware_windows_remcos_rat
SH256 hash:
9bef149490674703ed211bd591252d0c1557251e2e0844f4d5885d84ec0207ff
MD5 hash:
b54974cd7b04beb5d6c5377ff6170f7b
SHA1 hash:
229eaffc4f15cbf5b2e21d9360e396aee53fb1b7
Detections:
AutoIT_Compiled SUSP_Imphash_Mar23_3
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:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal 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
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::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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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