Threat Database Trojans Trojan.MSIL.Krypt.NABB

Trojan.MSIL.Krypt.NABB

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 16,666
Threat Level: 80 % (High)
Infected Computers: 1,072
First Seen: January 5, 2023
Last Seen: March 29, 2026
OS(es) Affected: Windows

Analysis Report

General information

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

Known Samples

MD5: b7a9cd254f511b0873fe0cd97cde0a4a
SHA1: adb7de4479cc9628e7fb4c8726344f5c06c92dad
SHA256: A875D4F7DEE6271EDB043090BFA977F03351CCC8BC527CF7DA5A392D818A0051
File Size: 1.22 MB, 1222656 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 .NET application
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • 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
Assembly Version 1.0.0.0
Comments DH@<EA2I8HD8B<3>9H>
Company Name I7F<I;5A4@5HHFE@D@?JAJ5
File Description 8G5JC;<52=?IH:D2775:
File Version 22.5.3.133
Internal Name 444.exe
Legal Copyright Copyright © 2017 I7F<I;5A4@5HHFE@D@?JAJ5. All rights reserved.
Original Filename 444.exe
Product Name 8G5JC;<52=?IH:D2775:
Product Version 22.5.3.133

File Traits

  • .NET
  • HighEntropy
  • NewLateBinding
  • x86

Block Information

Total Blocks: 1,539
Potentially Malicious Blocks: 276
Whitelisted Blocks: 826
Unknown Blocks: 437

Visual Map

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

Windows API Usage

Category API
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
Other Suspicious
  • AdjustTokenPrivileges

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