Overview

overview

10

Static

static

10

Umbral.builder.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Umbral.builder.exe
  • Size 32KB
  • Sample260917-vwtaha11ft
  • SHA256 93fa1cda0ff2a77107aab055cfd72aa1719154cfd031f1a6f2462b3a12cac422
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
trojanratxworm

Malware Config

Extracted

Family

  • xworm

C2

  • tissues-carers.tun.ply.gg:30292

Mutex

  • 7CQ94l05fFeEOXUO

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Detect Xworm Payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • Umbral.builder.exe
    .exe 32KB

Umbral.builder.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 93fa1cda0ff2a77107aab055cfd72aa1719154cfd031f1a6f2462b3a12cac422
  • MD5 SHA1 SHA512 SSDEEP TLSH
windows:4windowsx86arch:x86

  • Detect Xworm Payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
37966
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE
PDB paths