MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0e00df53609548413531846ab86d5e717ed814d7f57c503e49f927aabebec58. 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: 14


Intelligence 14 IOCs YARA 11 File information Comments

SHA256 hash: b0e00df53609548413531846ab86d5e717ed814d7f57c503e49f927aabebec58
SHA3-384 hash: 519fffcd6984107511bdb0ce46b2913980444736769b8061410fc815282de8720b0e1cc589ee20c07bab44435de33521
SHA1 hash: 8159688cfdc39601a8e0ffc89c8f96a556f96c37
MD5 hash: 962061fff7fadfd52d33033054c81ce9
humanhash: five-alabama-table-island
File name:libvlc.dll
Download: download sample
Signature RemcosRAT
File size:3'381'248 bytes
First seen:2025-02-26 18:10:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6a87a82866fbc180a7dc37c06f2ab074 (3 x Formbook, 1 x RemcosRAT, 1 x XWorm)
ssdeep 49152:1T/+PrsUE9K4b0AkA4RMR5ZtMrpyrCRg3aAjTOKXQvT11pA/E+wHl4sINjw:mrDKDtNBjRuqqZ
Threatray 17 similar samples on MalwareBazaar
TLSH T122F5BE25A3D400B8D17BCA78CA929633D671BAC59331C54F4AA8D6092F73E605B3FB35
TrID 47.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
35.2% (.EXE) InstallShield setup (43053/19/16)
8.6% (.EXE) Win64 Executable (generic) (10522/11/4)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:dll exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
485
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
libvlc.dll
Verdict:
Malicious activity
Analysis date:
2025-02-26 18:11:26 UTC
Tags:
remcos rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
remcos spam
Result
Verdict:
Clean
Maliciousness:
Result
Verdict:
UNKNOWN
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
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
Detected Remcos RAT
Disable UAC(promptonsecuredesktop)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1625062 Sample: libvlc.dll.exe Startdate: 26/02/2025 Architecture: WINDOWS Score: 100 51 geoplugin.net 2->51 57 Suricata IDS alerts for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 6 other signatures 2->63 11 loaddll64.exe 1 2->11         started        signatures3 process4 process5 13 rundll32.exe 11->13         started        16 rundll32.exe 11->16         started        18 cmd.exe 1 11->18         started        20 31 other processes 11->20 signatures6 89 Writes to foreign memory regions 13->89 91 Allocates memory in foreign processes 13->91 93 Injects a PE file into a foreign processes 13->93 22 aspnet_wp.exe 4 17 13->22         started        27 aspnet_wp.exe 2 3 16->27         started        29 rundll32.exe 18->29         started        31 aspnet_wp.exe 20->31         started        process7 dnsIp8 53 185.202.173.24, 49731, 49737, 49760 UNREAL-SERVERSUS Netherlands 22->53 55 geoplugin.net 178.237.33.50, 49732, 80 ATOM86-ASATOM86NL Netherlands 22->55 47 C:\ProgramData\Remcos\logs.dat, data 22->47 dropped 69 Detected Remcos RAT 22->69 71 Writes to foreign memory regions 22->71 73 Maps a DLL or memory area into another process 22->73 85 2 other signatures 22->85 49 C:\ProgramData\Remcos\remcos.exe, PE32 27->49 dropped 75 Contains functionality to bypass UAC (CMSTPLUA) 27->75 77 Contains functionalty to change the wallpaper 27->77 79 Contains functionality to steal Chrome passwords or cookies 27->79 87 2 other signatures 27->87 33 remcos.exe 1 27->33         started        81 Allocates memory in foreign processes 29->81 83 Injects a PE file into a foreign processes 29->83 35 aspnet_wp.exe 4 29->35         started        file9 signatures10 process11 file12 39 conhost.exe 33->39         started        45 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 35->45 dropped 65 Detected Remcos RAT 35->65 67 Creates autostart registry keys with suspicious names 35->67 41 remcos.exe 1 35->41         started        signatures13 process14 process15 43 conhost.exe 41->43         started       
Threat name:
Win64.Backdoor.Remcos
Status:
Malicious
First seen:
2025-02-26 18:11:15 UTC
File Type:
PE+ (Dll)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:800 discovery persistence rat
Behaviour
Modifies registry class
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Drops desktop.ini file(s)
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Remcos
Remcos family
Malware Config
C2 Extraction:
185.202.173.24:5824
Unpacked files
SH256 hash:
b0e00df53609548413531846ab86d5e717ed814d7f57c503e49f927aabebec58
MD5 hash:
962061fff7fadfd52d33033054c81ce9
SHA1 hash:
8159688cfdc39601a8e0ffc89c8f96a556f96c37
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: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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Jupyter_infostealer
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
KERNEL32.dll::CreateThreadpoolIo
KERNEL32.dll::CreateThreadpoolWait
KERNEL32.dll::CreateThreadpoolWork
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptCreateHash
bcrypt.dll::BCryptDestroyHash
bcrypt.dll::BCryptFinishHash
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptGetProperty
bcrypt.dll::BCryptHashData
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

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