Analysis

  • max time kernel
    152s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:11

General

  • Target

    6433ad2b9da636f9059c27cf6a0f9a59.exe

  • Size

    53KB

  • MD5

    6433ad2b9da636f9059c27cf6a0f9a59

  • SHA1

    3a9c70803025518d0b2087b730ce68b4b3a753ac

  • SHA256

    82ad7e4d268a738b7c2ad5f1a621af79444ab5f7c63a894e074e1ad306ce31bc

  • SHA512

    29ce144a51ed0fff5d9f1fb85a9df1238d7b4e4648034245c9a0bbe6e06d45a989645dab5f72d2a1040a7aea074f7de86b1f95a7405b628a802b4039d948ae6b

  • SSDEEP

    768:FnfiTGjiKEuwrv0UfYm6F2yyVrbmpJQvrS51thJOd82o9Zesp2:Fn6TGBETP6cbbmpJQTStbOc90sp2

Malware Config

Extracted

Family

xworm

Attributes
  • install_file

    MasonUSB.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6433ad2b9da636f9059c27cf6a0f9a59.exe
    "C:\Users\Admin\AppData\Local\Temp\6433ad2b9da636f9059c27cf6a0f9a59.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    PID:2040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    71KB

    MD5

    83142242e97b8953c386f988aa694e4a

    SHA1

    833ed12fc15b356136dcdd27c61a50f59c5c7d50

    SHA256

    d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

    SHA512

    bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

  • C:\Users\Admin\AppData\Local\Temp\TarA99F.tmp

    Filesize

    183KB

    MD5

    109cab5505f5e065b63d01361467a83b

    SHA1

    4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

    SHA256

    ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

    SHA512

    753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

  • memory/2040-0-0x000007FEF5EF3000-0x000007FEF5EF4000-memory.dmp

    Filesize

    4KB

  • memory/2040-1-0x0000000000230000-0x0000000000242000-memory.dmp

    Filesize

    72KB

  • memory/2040-3-0x000007FEF5EF0000-0x000007FEF68DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2040-4-0x000007FEF5EF3000-0x000007FEF5EF4000-memory.dmp

    Filesize

    4KB

  • memory/2040-42-0x00000000005D0000-0x00000000005E2000-memory.dmp

    Filesize

    72KB

  • memory/2040-43-0x000007FEF5EF0000-0x000007FEF68DC000-memory.dmp

    Filesize

    9.9MB