Threat Database Backdoors Backdoor.Gulpix.D

Backdoor.Gulpix.D

By CagedTech in Backdoors

Threat Scorecard

Popularity Rank: 13,727
Threat Level: 60 % (Medium)
Infected Computers: 13
First Seen: January 11, 2022
Last Seen: May 22, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Backdoor.Gulpix.D
Signature status: No Signature

Known Samples

MD5: 284822cb4e92a5128cdb42049e7bb333
SHA1: 4e053e66de3c00807a37c6b9e1414efc8042368c
SHA256: 0A8BB1FACAA8ADAEBFE6428121FB21EFAD0052A752D78475B8CDE730169D2DCD
File Size: 573.44 KB, 573440 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have exports table
  • File doesn't have security information
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
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  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
File Version 23, 9, 20, 1611
Product Version 23, 9, 20, 1611

File Traits

  • dll
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 816
Potentially Malicious Blocks: 151
Whitelisted Blocks: 665
Unknown Blocks: 0

Visual Map

0 x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x x x x x 0 x x x 0 x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x x 0 0 x 0 0 0 x 0 x x x 0 0 x x x x x x 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x 0 0 x 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 x 0 0 x x 0 0 x x x 0 x 0 x 0 0 x 0 0 x x x x 0 x 0 x 0 x 0 x 0 x x 0 x x 0 x 0 x 0 x 0 x 0 x x 0 x x x x 0 x x x x x 0 x x x 0 0 x 0 0 0 0 x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 x x x x 0 0 0 0 0 x x x x x x x 0 x x x x x x 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 3 1 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 1 0 0 1 0 0 2 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 x x x x x x x x x 0 x x x 0 x x x x x x x x x 0 x x x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Files Modified

File Attributes
c:\windows\7144b0 Generic Write,Read Attributes
c:\windows\syswow64\8a3d58a1 Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe 㳚䨢ǜ RegNtPreCreateKey

Windows API Usage

Category API
Service Control
  • OpenSCManager
  • StartService
  • StartServiceCtrlDispatcher
Other Suspicious
  • AdjustTokenPrivileges
Network Info Queried
  • GetAdaptersInfo
Network Winsock
  • closesocket
  • inet_addr
  • recvfrom
  • sendto
  • setsockopt
  • socket
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • WinExec
  • WriteConsole
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
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  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Network Winsock2
  • WSAStartup
Network Wininet
  • HttpOpenRequest
  • HttpSendRequest
  • InternetConnect
  • InternetOpen
  • InternetOpenUrl
  • InternetQueryOption
  • InternetReadFile
  • InternetSetOption
Anti Debug
  • IsDebuggerPresent
User Data Access
  • GetUserObjectInformation
Network Winhttp
  • WinHttpOpen
Process Terminate
  • TerminateProcess

Shell Command Execution

sc.exe start 3Mw4wbs0CD9N
WriteConsole: [SC] StartServic

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