Threat Database Trojans Trojan.MSIL.Krypt.GBBVG

Trojan.MSIL.Krypt.GBBVG

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 18,482
Threat Level: 80 % (High)
Infected Computers: 237
First Seen: September 15, 2022
Last Seen: March 12, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.MSIL.Krypt.GBBVG
Signature status: No Signature

Known Samples

MD5: 59676fb2ec5d06fad870f9652734cfed
SHA1: db6363dd79e8c60faeacb993307267c5051d4bc9
SHA256: C954F69F328F68C56ADFCE0CC4CC5D05BFD903CC176DBF4F45D51466C0890194
File Size: 1.16 MB, 1155584 bytes
MD5: 1201c34a22bc966b3829a65d17b80a42
SHA1: cd9dd9b216351a9d7a48e6aeb9021329d68b46df
SHA256: A718AEB616915DBD624C61A0C786D785CB0EFBF4A5B68FFECA3456FD19B2FC56
File Size: 2.07 MB, 2073088 bytes
MD5: b3eaa7e8407f7d3bea466c7194028300
SHA1: a9c65aadf259af618df2693c76f30109e2dd3a38
SHA256: 749A28C10AE3FA0A88214F738E60F894FB244CB7DFB8ADE27CAE001066EC13A7
File Size: 866.82 KB, 866816 bytes
MD5: 232848e8c7a64c764b78962b83a66863
SHA1: 191dfefb2037cc770fc88a18873a0d2d41b0780b
SHA256: 69AF3E3BCDA5218C4F0D229CE8F388917ED0B5C032688D6CE2BB106EAFE6DFC2
File Size: 2.06 MB, 2061312 bytes
MD5: 25ab39fcae32bef44dc33f5df33a4b23
SHA1: 56d67b8c10f90e57fbbe3a9690184e3e0516e885
SHA256: 02F0681DF118F92D03B8CB54725F304918E53885FBBDA7EAF9847A43609809A9
File Size: 1.52 MB, 1524736 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 relocations information
  • File doesn't have security information
  • File is .NET application
  • File is 32-bit executable
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Assembly Version
  • 8.14.0.0
  • 1.4.7.0
  • 1.0.0.0
File Description
  • DDDL_Activator
  • loader
  • XYNOUNLOCKBOOTLOADER
File Version
  • 8.14.0.0
  • 2.5.6.0
  • 1.0.0.0
Internal Name
  • adsrt.exe
  • bvcdr.exe
  • DDDL_Activator.exe
  • loader.exe
  • WWAuth.exe
Legal Copyright
  • Copyright © 2021
  • Copyright © 2023
  • Copyright © 2024
Original Filename
  • adsrt.exe
  • bvcdr.exe
  • DDDL_Activator.exe
  • loader.exe
  • WWAuth.exe
Product Name
  • CatherineXoa
  • DDDL_Activator
  • loader
Product Version
  • 8.14.0.0
  • 2.5.6.0
  • 1.0.0.0

File Traits

  • .NET
  • 2+ executable sections
  • HighEntropy
  • NewLateBinding
  • ntdll
  • RijndaelManaged
  • x64
  • x86

Block Information

Total Blocks: 505
Potentially Malicious Blocks: 23
Whitelisted Blocks: 141
Unknown Blocks: 341

Visual Map

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 0 ? ? 0 0 x ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? x ? ? ? ? x ? x ? ? ? ? 0 ? ? x ? x ? x ? ? ? ? ? ? ? ? ? ? ? ? ? ? x ? ? ? ? ? ? 0 ? ? ? ? 0 ? ? ? ? ? ? ? ? 0 0 0 0 0 0 0 0 0 0 0 0 0 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 x 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 ? ? 0 ? 0 0 0 ? ? ? ? ? 0 0 0 ? ? ? 0 0 0 0 0 0 ? 0 ? ? x ? ? ? ? ? ? ? ? 0 ? ? ? 0 0 ? ? ? ? 0 0 x 0 ? ? ? ? ? ? ? ? ? ? ? ? x ? 0 ? ? ? 0 ? 0 ? ? ? ? ? ? ? ? ? 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 ? ? ? ? ? ? x ? 0 ? x x x x x x 0 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
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  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtGetContextThread
  • ntdll.dll!NtGetWriteWatch
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResetWriteWatch
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtSuspendThread
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtYieldExecution
  • UNKNOWN
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Other Suspicious
  • AdjustTokenPrivileges

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