Analysis

  • max time kernel
    1791s
  • max time network
    1148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-11-2024 20:24

General

  • Target

    XClient.exe

  • Size

    45KB

  • MD5

    98513cddff4faad5bf3898ae44aaa4b6

  • SHA1

    de5c611ffabeab8fc5d41c719b3e202bbdfcc449

  • SHA256

    80b8d298052d28c5a7eafbbe5dfd3593c0c840f6a984b46899fd879234207406

  • SHA512

    816e358f8aa295c357991ac1859bb1ecea38d030f75eaeb92fc443ca89cff0dca5bc860a46f3a50e23a14ac3fe4d53a79e3b25ebe5761c3924e322d0eb7b737f

  • SSDEEP

    768:fRfGu0SC4MpQbwbHrveYk3j5RgO8gkb2WKu+9iw6PONhX/NMFtr:f9pMFIwbHSZHNkb2WvDPON/Er

Score
10/10

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:9841

Attributes
  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3780
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4520

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

    Filesize

    10KB

    MD5

    785073822344ae3813284ebc92bb596a

    SHA1

    96e2a933b38352ed2c8e6e34e94756b70c143214

    SHA256

    36ef4cbbc494deacf81f364b546281223a39bea01a32b0c4b0e2324f984d6817

    SHA512

    28b21e17fdf026a025503a2ae1014ea4e8ce5385e42396007a7a23aba3aecb591d225e2a90d47f6f9e02d34792d74b89547715d66899265dbf8372258ccf4498

  • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

    Filesize

    10KB

    MD5

    327975ba2c226434c0009085b3702a06

    SHA1

    b7b8b25656b3caefad9c5a657f101f06e2024bbd

    SHA256

    6fa9064f304b70d6dcebee643ca017c2417ff325106917058f6e11341678583c

    SHA512

    150a57c143fc5ff2462f496f5a9451310b8d99e32c4d570641204c8062a78590f14bed438ac981e8b0609a0c87b859a1f8502a78687bc36c3a9529d633a58e51

  • memory/3780-0-0x00007FF88ED33000-0x00007FF88ED35000-memory.dmp

    Filesize

    8KB

  • memory/3780-1-0x0000000000B50000-0x0000000000B62000-memory.dmp

    Filesize

    72KB

  • memory/3780-2-0x00007FF88ED30000-0x00007FF88F7F2000-memory.dmp

    Filesize

    10.8MB

  • memory/3780-3-0x00007FF88ED33000-0x00007FF88ED35000-memory.dmp

    Filesize

    8KB

  • memory/3780-4-0x00007FF88ED30000-0x00007FF88F7F2000-memory.dmp

    Filesize

    10.8MB