Threat Database Backdoors Backdoor.PSW.Agent.LDA

Backdoor.PSW.Agent.LDA

By CagedTech in Backdoors

Analysis Report

General information

Family Name: Backdoor.PSW.Agent.LDA
Signature status: No Signature

Known Samples

MD5: 356172146fc8c6d37f067175dcc9d9db
SHA1: 2a5f30673f3099ab9d712897c056786492474551
SHA256: 072EE0C0C6B1D34D420EDE748A2A81DE1B48B59ED956E415A7DBC9FE0502A422
File Size: 1.99 MB, 1992192 bytes
MD5: 8119ca3a8ecf82784604281144657f9f
SHA1: 24eee9567c957d3d5fdc7b3a9876f6bf00fbd13a
SHA256: 51BF06AE54849861CC44A755BF58968BFFB44530843CFF05BD62E551C1C2161C
File Size: 1.97 MB, 1966592 bytes
MD5: e381c33516f64a87ddbf869240eac84b
SHA1: 724ca892868bc7fa7c36075f29af7e5b8f755c3c
SHA256: 4DBA30B86F6576CF4D043F460317E3BEA356A1FD68DBB522E492F965ED22116E
File Size: 2.06 MB, 2059264 bytes
MD5: 88ae6faad5002b4a88340b02fbb11c78
SHA1: 4ecda3a9f3ee9cab8d06dff80184ebd490c96afe
SHA256: 5E6DFFEF90710A2FFE0BAF6D2C238F67A550198AED112D73D01ED94E78221E47
File Size: 2.30 MB, 2300016 bytes
MD5: 3ab72d0f42b6c0a582298d778df41d41
SHA1: e4d2597534987416d72023af1d0b4e0aa2386ea9
SHA256: BF0C1155122F8C87E747E40FFE999423DFBF191D6E3919E06FCAADCAD472A5B2
File Size: 2.03 MB, 2032640 bytes
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MD5: a7116b05447ce0a9dadaacf3a87c3694
SHA1: 12f53424032494a383bd2ba031099bf5dcdb7199
SHA256: 99C98AA346D03D789FE8CC3762FC15BA173D6A9B932FA4CF5FAF92B876D7DACA
File Size: 1.97 MB, 1966080 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File has exports table
  • File has TLS information
  • File is 64-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
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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Digital Signatures

Signer Root Status
Areeb Ahmed Code Signing LLC Areeb Ahmed Code Signing LLC Self Signed

File Traits

  • dll
  • Pastebin
  • x64

Block Information

Total Blocks: 6,466
Potentially Malicious Blocks: 426
Whitelisted Blocks: 5,468
Unknown Blocks: 572

Visual Map

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... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Files Modified

File Attributes
\device\namedpipe\yubx_4884 Generic Read,Write Data,Write Attributes,Write extended,Append data
\device\namedpipe\yubx_5012 Generic Read,Write Data,Write Attributes,Write extended,Append data
\device\namedpipe\yubx_5516 Generic Read,Write Data,Write Attributes,Write extended,Append data
\device\namedpipe\yubx_7584 Generic Read,Write Data,Write Attributes,Write extended,Append data

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateNamedPipeFile
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  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenEvent
  • 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!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtQueryWnfStateNameInformation
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetSystemInformation
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtTraceEvent
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtUpdateWnfStateData
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • UNKNOWN
  • win32u.dll!NtGdiBitBlt
  • win32u.dll!NtGdiCreateBitmap
  • win32u.dll!NtGdiCreateCompatibleDC
  • win32u.dll!NtGdiCreateDIBitmapInternal
  • win32u.dll!NtGdiCreateSolidBrush
  • win32u.dll!NtGdiDeleteObjectApp
  • win32u.dll!NtGdiExtGetObjectW
  • win32u.dll!NtGdiGetDCforBitmap
  • win32u.dll!NtGdiGetDCObject
  • win32u.dll!NtGdiGetDeviceCaps
  • win32u.dll!NtGdiRestoreDC
  • win32u.dll!NtGdiSaveDC
  • win32u.dll!NtGdiSelectBitmap
  • win32u.dll!NtGdiSetDIBitsToDeviceInternal
  • win32u.dll!NtUserBuildHwndList
  • win32u.dll!NtUserCallTwoParam
  • win32u.dll!NtUserCreateEmptyCursorObject
  • win32u.dll!NtUserCreateWindowEx
  • win32u.dll!NtUserDestroyWindow
  • win32u.dll!NtUserFindExistingCursorIcon
  • win32u.dll!NtUserGetAncestor
  • win32u.dll!NtUserGetClassInfoEx
  • win32u.dll!NtUserGetClassName
  • win32u.dll!NtUserGetDC
  • win32u.dll!NtUserGetGUIThreadInfo
  • win32u.dll!NtUserGetIconInfo
  • win32u.dll!NtUserGetIconSize
  • win32u.dll!NtUserGetImeInfoEx
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetObjectInformation
  • win32u.dll!NtUserGetProcessWindowStation
  • win32u.dll!NtUserGetProp
  • win32u.dll!NtUserGetThreadDesktop
  • win32u.dll!NtUserGetThreadState

14 additional items are not displayed above.

Encryption Used
  • BCryptOpenAlgorithmProvider

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