Analysis

  • max time kernel
    147s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 01:38

General

  • Target

    Bloxstrap-v2.8.1.exe

  • Size

    90KB

  • MD5

    14d4016a97613c132cd0f5ef44bb89e5

  • SHA1

    6bf013a301f5f18f4948806392f06552295cc71e

  • SHA256

    05e8795cc1a3970c8f1175f05f013caffca9feecb7e53bff65c478b94c4fc722

  • SHA512

    c0279b287cadc4cf97a454632a9161fd2ca24884e6e9ad8997b92f1781d5a17d137001828c924bc685d1f0ae997a0797189d818ead6d45ea13b20ce58b7329d4

  • SSDEEP

    1536:0svC6eOgCMFU9YAOMH+HVFHwMuz8bkX0L9qrtOg3tzQUB/dP3/PKx5eClbm:00reOgJFU9YAOMenHwKkX0BsQEzQsPKG

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:7000

Mutex

VbFWnnjtfbUcjrCO

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    FileExplorer.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.8.1.exe
    "C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.8.1.exe"
    1⤵
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2104-0-0x000007FEF5903000-0x000007FEF5904000-memory.dmp

    Filesize

    4KB

  • memory/2104-1-0x0000000001390000-0x00000000013AC000-memory.dmp

    Filesize

    112KB

  • memory/2104-6-0x000007FEF5900000-0x000007FEF62EC000-memory.dmp

    Filesize

    9.9MB

  • memory/2104-7-0x000007FEF5903000-0x000007FEF5904000-memory.dmp

    Filesize

    4KB

  • memory/2104-8-0x000007FEF5900000-0x000007FEF62EC000-memory.dmp

    Filesize

    9.9MB