Analysis

  • max time kernel
    135s
  • max time network
    261s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/03/2025, 19:53

General

  • Target

    maintest.exe

  • Size

    330KB

  • MD5

    99cdea5125309896c9086198db961e27

  • SHA1

    38bf9352dcd7b8ad0d6d69c91d0c5a4f61878ab4

  • SHA256

    0febbefd9e7941ff10fc777e9239e8fc10029d98ef76aaaa574469055d2c4153

  • SHA512

    d14980a66825259b45b60f4473793ece6d0a533229260e35b4feba1299a62da47128badf646d0c6f4ea3cc3edf86d7d8d4950654e275a36a7ec4495779e63f55

  • SSDEEP

    6144:5+3bubEQSgCvu+GIIIIIIIhIIIIIIIIIIIIIIIU:ebtd5v5

Score
10/10

Malware Config

Extracted

Family

xworm

C2

45.88.91.55:7813

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    steam-helper.exe

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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\maintest.exe
    "C:\Users\Admin\AppData\Local\Temp\maintest.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3760

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3760-0-0x00007FFEB4EF3000-0x00007FFEB4EF5000-memory.dmp

    Filesize

    8KB

  • memory/3760-1-0x00000000008F0000-0x0000000000948000-memory.dmp

    Filesize

    352KB

  • memory/3760-2-0x00007FFEB4EF0000-0x00007FFEB59B1000-memory.dmp

    Filesize

    10.8MB

  • memory/3760-3-0x00007FFEB4EF0000-0x00007FFEB59B1000-memory.dmp

    Filesize

    10.8MB