Threat Database Trojans Trojan.Kryptik.FRZB

Trojan.Kryptik.FRZB

By CagedTech in Trojans

Analysis Report

General information

Family Name: Trojan.Kryptik.FRZB
Signature status: No Signature

Known Samples

MD5: beb167453b4d5ff82ecad6779c4aaf03
SHA1: 4a2516d17c1a2f9bc9f32686ecf0bffdc982d95f
SHA256: 19436D2D2D68EB4AA129D6878834E05EA939A13C09D83FE5ED3460C03BA85CEC
File Size: 2.70 MB, 2695680 bytes
MD5: a5c46adf3642d59beb09475db3e4d4e7
SHA1: b98316e2040c41a5cb9b07f71294233b1f34355b
SHA256: 620E9516DC450C59975CA08FEDFA584AE370B2CFAE3C1B808586721EB0BCA276
File Size: 2.70 MB, 2695680 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 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)

Windows PE Version Information

Name Value
Company Name Microsoft Corporation
File Description
  • Host Process for Windows Services
  • Paint
File Version 10.0.22621.1 (WinBuild.160101.0800)
Internal Name
  • MSPAINT
  • svchost.exe
Legal Copyright © Microsoft Corporation. All rights reserved.
Original Filename
  • MSPAINT.EXE
  • svchost.exe
Product Name MicrosoftВ® WindowsВ® Operating System
Product Version 10.0.22621.1

File Traits

  • HighEntropy
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 110
Potentially Malicious Blocks: 12
Whitelisted Blocks: 95
Unknown Blocks: 3

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

Similar Families

  • Dropper.FY
  • Kryptik.FRZ
  • Kryptik.FRZB
  • Kryptik.FRZC
  • Kryptik.FRZD
Show More
  • Kryptik.FRZG
  • Trojan.Kryptik.Gen.EEY

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenEvent
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  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenSection
  • 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!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetUserName
Network Info Queried
  • GetAdaptersInfo

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