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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/03/2025, 20:31

General

  • Target

    _xyeta.exe

  • Size

    52KB

  • MD5

    3af8fbdeade9b46ee66cbefd62a4e410

  • SHA1

    dcc51c89b316815bb1ba8d30517ec3d558e53ac8

  • SHA256

    0f4f7b8e9999abde222d5f8c7915c7767f9b01b513b6287b54c6d77e7d747e59

  • SHA512

    067ab15b036fd74a34eed9791e364e95d1f5ebe1f1f2ec573725c2b94dc8cc74760744e10a13f99bb995ac6d21bb1a41fc1100aeb1e7012904f209908140e084

  • SSDEEP

    1536:N0wAgZI2jZ7Rkwc7ne7Z+5TNJ2gPnf5l:OgZ3ywIek5RJtPnf5l

Malware Config

Extracted

Family

xworm

Version

5.0

C2

like-columns.gl.at.ply.gg:56376

Mutex

nF33ppV8E9KqcE3L

Attributes
  • Install_directory

    %AppData%

  • install_file

    WindowsDefender.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\_xyeta.exe
    "C:\Users\Admin\AppData\Local\Temp\_xyeta.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 1564
      2⤵
      • Program crash
      PID:4772
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2432 -ip 2432
    1⤵
      PID:2428

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2432-0-0x000000007475E000-0x000000007475F000-memory.dmp

      Filesize

      4KB

    • memory/2432-1-0x00000000003E0000-0x00000000003F4000-memory.dmp

      Filesize

      80KB

    • memory/2432-2-0x0000000000A50000-0x0000000000A60000-memory.dmp

      Filesize

      64KB

    • memory/2432-3-0x0000000004D90000-0x0000000004E2C000-memory.dmp

      Filesize

      624KB

    • memory/2432-4-0x0000000004E30000-0x0000000004E96000-memory.dmp

      Filesize

      408KB

    • memory/2432-5-0x0000000074750000-0x0000000074F00000-memory.dmp

      Filesize

      7.7MB

    • memory/2432-6-0x0000000074750000-0x0000000074F00000-memory.dmp

      Filesize

      7.7MB