Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2023 09:55

General

  • Target

    fd8591b5b854c15fbdd4206aa8d7d6fab8082db2cd2d2e9fd983c1bd7e642192.exe

  • Size

    40KB

  • MD5

    c972d891311369e3c9c563a0aea3397c

  • SHA1

    3d7359a43a29373950efa72720014a7ce2e5a484

  • SHA256

    fd8591b5b854c15fbdd4206aa8d7d6fab8082db2cd2d2e9fd983c1bd7e642192

  • SHA512

    c712e7fefdb2c9bf618177a836f8a2abd8b72e40feb47abad6fb403e56cf363d222f34aed6a18f2409661e579b733204fef0c40ffa99663208a520d53127cced

  • SSDEEP

    768:+e5ebFbV9gZtYqK0PAucy97KdV2ULT0RS6:+e5I39gZtYxyhOZsk6

Malware Config

Extracted

Family

xworm

C2

212.154.51.245:90

Mutex

1LUc76wvVlPiBinl

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd8591b5b854c15fbdd4206aa8d7d6fab8082db2cd2d2e9fd983c1bd7e642192.exe
    "C:\Users\Admin\AppData\Local\Temp\fd8591b5b854c15fbdd4206aa8d7d6fab8082db2cd2d2e9fd983c1bd7e642192.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    PID:3612

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3612-133-0x0000000000590000-0x00000000005A0000-memory.dmp
    Filesize

    64KB

  • memory/3612-137-0x000000001C2D0000-0x000000001C2E0000-memory.dmp
    Filesize

    64KB

  • memory/3612-138-0x000000001C2D0000-0x000000001C2E0000-memory.dmp
    Filesize

    64KB