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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2025, 23:28

General

  • Target

    steam.exe

  • Size

    51KB

  • MD5

    4ca159a48c50aeb62cd0db7b032474ac

  • SHA1

    b77c87928df07242bda75608a4701eda403b0968

  • SHA256

    b6eb9fc838848b1455ef01e2bdc497c059b16859963162ce81ad29554c7918bb

  • SHA512

    9b677d0f8f6292eed963cf670186396d422f44ec596cd3cfd23a8d938a65a37decad9681e8826e4dce992a56c09e2f0aa03b9b1533da4856275a117ef96f3c9f

  • SSDEEP

    768:/47Yz7pDW8ntPrKlDaC+J1aJydLsb6KpwfhXWri1S+hJOp45LW+:/47EW8ndiaKOLsb6KmfNXbOz+

Score
10/10

Malware Config

Extracted

Family

xworm

Attributes
  • install_file

    USB.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\steam.exe
    "C:\Users\Admin\AppData\Local\Temp\steam.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1620

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1620-0-0x000007FEF58F3000-0x000007FEF58F4000-memory.dmp

    Filesize

    4KB

  • memory/1620-1-0x00000000013B0000-0x00000000013C4000-memory.dmp

    Filesize

    80KB

  • memory/1620-2-0x000007FEF58F0000-0x000007FEF62DC000-memory.dmp

    Filesize

    9.9MB

  • memory/1620-3-0x000007FEF58F0000-0x000007FEF62DC000-memory.dmp

    Filesize

    9.9MB