MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f9f5bfd860ce79ed81a7c5c1252549f315fb530d862f6e829cedcd2e69d72bc. 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


Intelligence 19 IOCs YARA 9 File information Comments

SHA256 hash: 9f9f5bfd860ce79ed81a7c5c1252549f315fb530d862f6e829cedcd2e69d72bc
SHA3-384 hash: 44fd2d0cabf25fab8b838ed3c81879b41406e1d2b72248d20f7c74f64db82fcbab1d73cc7a087d592a71d560d4a66ab1
SHA1 hash: 0723dc9324ba05c67d6b26946508acf334bed35b
MD5 hash: 47b4644919ca484e810fbde3259d35e7
humanhash: golf-jersey-freddie-helium
File name:INQUIRY#46789-JUNE_product_materials.exe
Download: download sample
Signature RemcosRAT
File size:2'228'224 bytes
First seen:2024-06-25 08:50:22 UTC
Last seen:2024-06-25 09:22:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8f2ed59ffaf0389477f5411c8b4c37fd (3 x AgentTesla, 3 x Formbook, 3 x RemcosRAT)
ssdeep 49152:tOD+bTI6YTDml4HJPHDQkOBU0f9iygcrxZ3aU5ZNIrRo2ht1X1vvkQG8cgmJiaRM:Ev85sHURC
TLSH T19FA5AC06B3AC02ACE577DA30CA719232C6B17D571730E58F26D8D60D1E73AA19B3B395
TrID 72.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.EXE) OS/2 Executable (generic) (2029/13)
2.5% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon e2ee8a8eb6d8ecf4 (56 x AgentTesla, 39 x RemcosRAT, 38 x GuLoader)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
363
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
9f9f5bfd860ce79ed81a7c5c1252549f315fb530d862f6e829cedcd2e69d72bc.exe
Verdict:
Malicious activity
Analysis date:
2024-06-25 08:55:27 UTC
Tags:
remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Banker Encryption Execution Generic Network Static Remcos Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a process with a hidden window
Launching a process
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
hacktool lolbin microsoft_visual_cc packed regedit remcos remote 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
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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: 1462382 Sample: INQUIRY#46789-JUNE_product_... Startdate: 25/06/2024 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 5 other signatures 2->49 8 INQUIRY#46789-JUNE_product_materials.exe 1 2->8         started        11 Vexploio.exe 1 2->11         started        13 Vexploio.exe 1 2->13         started        15 Vexploio.exe 1 2->15         started        process3 signatures4 61 Writes to foreign memory regions 8->61 63 Allocates memory in foreign processes 8->63 65 Adds a directory exclusion to Windows Defender 8->65 67 Injects a PE file into a foreign processes 8->67 17 RegSvcs.exe 2 3 8->17         started        21 powershell.exe 23 8->21         started        23 conhost.exe 8->23         started        31 2 other processes 8->31 25 conhost.exe 11->25         started        27 conhost.exe 13->27         started        29 conhost.exe 15->29         started        process5 file6 41 C:\ProgramData\Vexplo\Vexploio.exe, PE32 17->41 dropped 51 Contains functionality to bypass UAC (CMSTPLUA) 17->51 53 Detected Remcos RAT 17->53 55 Contains functionalty to change the wallpaper 17->55 59 5 other signatures 17->59 33 Vexploio.exe 2 17->33         started        57 Loading BitLocker PowerShell Module 21->57 35 WmiPrvSE.exe 21->35         started        37 conhost.exe 21->37         started        signatures7 process8 process9 39 conhost.exe 33->39         started       
Threat name:
Win64.Backdoor.Remcos
Status:
Malicious
First seen:
2024-06-25 01:37:57 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:lawrs execution persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
64.188.26.202:1604
Unpacked files
SH256 hash:
9f9f5bfd860ce79ed81a7c5c1252549f315fb530d862f6e829cedcd2e69d72bc
MD5 hash:
47b4644919ca484e810fbde3259d35e7
SHA1 hash:
0723dc9324ba05c67d6b26946508acf334bed35b
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:NET
Author:malware-lu
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::RevertToSelf
ADVAPI32.dll::GetSecurityDescriptorLength
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetWindowsAccountDomainSid
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
ADVAPI32.dll::SetThreadToken
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleWindow
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::ReplaceFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDecrypt
bcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptOpenAlgorithmProvider
bcrypt.dll::BCryptCloseAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExA
ADVAPI32.dll::RegSetValueExW

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