MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08c7fb6067acc8ac207d28ab616c9ea5bc0d394956455d6a3eecb73f8010f7a2. 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: 6


Intelligence 6 IOCs YARA 11 File information Comments

SHA256 hash: 08c7fb6067acc8ac207d28ab616c9ea5bc0d394956455d6a3eecb73f8010f7a2
SHA3-384 hash: 1d20a9d9f60c5c463738242bdb5336da0e4934c99e9dd9379e4b5128def93f893a3aa44010e38d577501a61d17dc3034
SHA1 hash: 6ed30c0371fe167d38411bfa6d720fcdcacc4f4c
MD5 hash: 4864a55cff27f686023456a22371e790
humanhash: xray-uranus-uncle-november
File name:หนังสือแจ้งเตือนการละเมิดลิขสิทธิ์ - GMM Grammy.zip.exe
Download: download sample
Signature RemcosRAT
File size:6'365'288 bytes
First seen:2024-08-08 04:29:52 UTC
Last seen:2026-02-04 20:54:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6b2179c3562d13ffc88ec65e11e4495d (1 x RemcosRAT)
ssdeep 98304:VZQIM+/nv/CDoAkYwpAa5ge1zZ/jtdZwUkQ:bJCKlA2VKUz
Threatray 1 similar samples on MalwareBazaar
TLSH T1DA56CE11A7419439F4E304B28A7DF2AEA968BF31071651C7A2CC3D9D9AB4AF23D31717
TrID 60.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
10.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.7% (.FON) Windows Font (5545/9/1)
5.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 74f4d4ccd4d4d4f4 (1 x RemcosRAT, 1 x ResolverRAT)
Reporter maikxchd
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
23
# of downloads :
579
Origin country :
ID ID
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Tax Organizer.exe
Verdict:
Malicious activity
Analysis date:
2024-05-23 13:49:31 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Connection attempt
Sending an HTTP GET request
Result
Threat name:
Detection:
malicious
Classification:
troj.expl
Score:
69 / 100
Signature
Creates autostart registry keys with suspicious names
Detected Remcos RAT
Drops PE files to the document folder of the user
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1454821 Sample: Tax Organizer.exe Startdate: 10/06/2024 Architecture: WINDOWS Score: 69 28 pattreon.duckdns.org 2->28 34 Malicious sample detected (through community Yara rule) 2->34 36 Yara detected UAC Bypass using CMSTP 2->36 38 Yara detected Remcos RAT 2->38 42 2 other signatures 2->42 8 Tax Organizer.exe 1 2->8         started        11 rundll32.exe 2->11         started        13 rundll32.exe 2->13         started        signatures3 40 Uses dynamic DNS services 28->40 process4 file5 26 C:\Users\user\Documents\FirefoxData.dll, PE32 8->26 dropped 15 Tax Organizer.exe 3 8->15         started        19 cmd.exe 1 8->19         started        process6 dnsIp7 30 pattreon.duckdns.org 104.250.163.2, 49707, 49716, 49717 VOXILITYGB United States 15->30 32 Detected Remcos RAT 15->32 21 reg.exe 1 1 19->21         started        24 conhost.exe 19->24         started        signatures8 process9 signatures10 44 Creates autostart registry keys with suspicious names 21->44
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
08c7fb6067acc8ac207d28ab616c9ea5bc0d394956455d6a3eecb73f8010f7a2
MD5 hash:
4864a55cff27f686023456a22371e790
SHA1 hash:
6ed30c0371fe167d38411bfa6d720fcdcacc4f4c
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:QbotStuff
Author:anonymous
Rule name:RedOctoberPluginNetScan
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::InitializeSecurityDescriptor
ADVAPI32.dll::RegSetKeySecurity
ADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoFreeUnusedLibraries
ole32.dll::CreateStreamOnHGlobal
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipGetImageEncoders
gdiplus.dll::GdipGetImageEncodersSize
gdiplus.dll::GdipDeleteGraphics
gdiplus.dll::GdipFillRectangleI
gdiplus.dll::GdipFillRectangle
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
ADVAPI32.dll::SetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
WININET.dll::InternetCloseHandle
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetDriveTypeA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleScreenBufferSize
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleScreenBufferInfo
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileA
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
KERNEL32.dll::QueryDosDeviceW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegOpenKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegQueryValueW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW
USER32.dll::OpenClipboard

Comments