MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd1dbeedd93d1c0bf3c76a1e5cd2fd4cf1f0d195226dca32d85757301aba43b0. 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 6 File information Comments

SHA256 hash: cd1dbeedd93d1c0bf3c76a1e5cd2fd4cf1f0d195226dca32d85757301aba43b0
SHA3-384 hash: 7b595fdadf15885b1ab2d9cd490ede438627db2d556a98f8b0b397a62b3f3a84e55f37fd692e83496a4ad1e461350143
SHA1 hash: 6a528e32c5d676f5399de2141fb8ea31210bfb32
MD5 hash: 24a944104d4673c6ddb64b2ef5c6dd57
humanhash: kentucky-magazine-west-robin
File name:RS8RlKC3V8acct1190M2K,pdf.exe
Download: download sample
Signature RemcosRAT
File size:1'259'404 bytes
First seen:2024-07-11 06:51:44 UTC
Last seen:2024-07-11 07:36:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 99ee65c2db82c04251a5c24f214c8892 (36 x Formbook, 11 x RemcosRAT, 4 x SnakeKeylogger)
ssdeep 24576:J6nVMk+HIj90ckN5xxNtIVGmUuX8Ts0bydWy2UE43YP0b8LLuwPu8Xlc:8Vz7t+xkGzaUlPW2Lukud
Threatray 2'639 similar samples on MalwareBazaar
TLSH T137451212F7C080B3D1B226320A9596511A7CB9715F22CAEF53D46E6EAF305D1E631FA3
TrID 76.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.0% (.EXE) Win64 Executable (generic) (10523/12/4)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.2% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 3eb2b636f6e26644 (1 x DarkCloud, 1 x Formbook, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
407
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
cd1dbeedd93d1c0bf3c76a1e5cd2fd4cf1f0d195226dca32d85757301aba43b0.exe
Verdict:
Malicious activity
Analysis date:
2024-07-11 06:53:09 UTC
Tags:
rat remcos remote evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Encryption Execution Infostealer Network Other Spreading Static Stealth Trojan Autoit
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:
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
Disable Task Manager(disabletaskmgr)
Disables the Windows task manager (taskmgr)
Found API chain indicative of sandbox detection
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected AntiVM3
Yara detected Autoit Injector
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1471299 Sample: RS8RlKC3V8acct1190M2K,pdf.exe Startdate: 11/07/2024 Architecture: WINDOWS Score: 100 114 157.123.68.40.in-addr.arpa 2->114 116 geoplugin.net 2->116 124 Found malware configuration 2->124 126 Malicious sample detected (through community Yara rule) 2->126 128 Multi AV Scanner detection for dropped file 2->128 130 14 other signatures 2->130 11 RS8RlKC3V8acct1190M2K,pdf.exe 3 40 2->11         started        14 fhvnleke.dat.exe 2->14         started        17 fhvnleke.dat.exe 2->17         started        19 2 other processes 2->19 signatures3 process4 file5 98 C:\Users\user\AppData\Local\...\fhvnleke.dat, PE32 11->98 dropped 100 C:\Users\user\AppData\Local\Temp\...\tckc.vbe, Unicode 11->100 dropped 21 wscript.exe 1 11->21         started        102 c:\cchn\fhvnleke.dat.exe (copy), PE32 14->102 dropped 104 c:\cchn\fhvnleke.dat (copy), PE32 14->104 dropped 156 Multi AV Scanner detection for dropped file 14->156 158 Found API chain indicative of sandbox detection 14->158 160 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->160 24 powershell.exe 14->24         started        26 powershell.exe 14->26         started        34 5 other processes 14->34 162 Adds a directory exclusion to Windows Defender 17->162 28 powershell.exe 17->28         started        30 powershell.exe 17->30         started        32 powershell.exe 17->32         started        36 4 other processes 17->36 38 14 other processes 19->38 signatures6 process7 signatures8 132 Windows Scripting host queries suspicious COM object (likely to drop second stage) 21->132 134 Suspicious execution chain found 21->134 40 3 other processes 21->40 43 2 other processes 24->43 45 2 other processes 26->45 47 2 other processes 28->47 49 2 other processes 30->49 51 2 other processes 32->51 53 9 other processes 34->53 55 7 other processes 36->55 136 Loading BitLocker PowerShell Module 38->136 57 26 other processes 38->57 process9 signatures10 138 Uses schtasks.exe or at.exe to add and modify task schedules 40->138 140 Uses ipconfig to lookup or modify the Windows network settings 40->140 59 fhvnleke.dat 2 39 40->59         started        63 conhost.exe 40->63         started        65 conhost.exe 40->65         started        69 3 other processes 40->69 67 WmiPrvSE.exe 43->67         started        142 Loading BitLocker PowerShell Module 57->142 process11 file12 106 C:\cchn\fhvnleke.dat.exe, PE32 59->106 dropped 108 C:\cchn\fhvnleke.dat, PE32 59->108 dropped 110 C:\Users\user\AppData\...\fhvnleke.dat.exe, PE32 59->110 dropped 112 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 59->112 dropped 148 Multi AV Scanner detection for dropped file 59->148 150 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 59->150 152 Writes to foreign memory regions 59->152 154 5 other signatures 59->154 71 RegSvcs.exe 59->71         started        75 powershell.exe 7 59->75         started        77 powershell.exe 7 59->77         started        79 5 other processes 59->79 signatures13 process14 dnsIp15 118 75.127.7.188, 2404, 57721 AS-COLOCROSSINGUS United States 71->118 120 geoplugin.net 178.237.33.50, 57722, 80 ATOM86-ASATOM86NL Netherlands 71->120 144 Installs a global keyboard hook 71->144 81 powershell.exe 75->81         started        84 conhost.exe 75->84         started        86 powershell.exe 77->86         started        88 conhost.exe 77->88         started        146 Loading BitLocker PowerShell Module 79->146 90 powershell.exe 79->90         started        92 powershell.exe 79->92         started        94 powershell.exe 79->94         started        96 6 other processes 79->96 signatures16 process17 signatures18 122 Loading BitLocker PowerShell Module 86->122
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-07-11 03:19:23 UTC
File Type:
PE (Exe)
Extracted files:
64
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:nsppd evasion execution persistence rat
Behaviour
Gathers network information
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Disables Task Manager via registry modification
Remcos
Malware Config
C2 Extraction:
75.127.7.188:2404
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants

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
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

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