Analysis

  • max time kernel
    92s
  • max time network
    92s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 20:24

General

  • Target

    gmail.exe

  • Size

    34KB

  • MD5

    fd86951c009521532a151f600e66ee30

  • SHA1

    884821a5866582c2d58df4dbdce520af290d433e

  • SHA256

    a9b576e09fbdf6ed93d8214e536c8ff855b324f4110c1c3337b7f0c43d1010a4

  • SHA512

    85bef4bf4f28a39a3bf96e1e59af29eba8a0ad5d28de8ab855c0419a4d5c9a32a6ed9e78d96f8ff75a117d36e86d560cbc2213fef3f5346b9ca2bc82b4c4e214

  • SSDEEP

    384:MNNqxPqTdQl2/rz3N+5s92agyLCOy4d+1F8xkrfkRtpkFXBLTWZwoJOcvw9Ibui3:iO2IJWCOyu+pYOFh9YpOjhP/6n

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

SHgxyzvK1VA9Dztg

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    MicrosoftUpdate.exe

  • pastebin_url

    https://pastebin.com/ccTQUYyU

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 29 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\gmail.exe
    "C:\Users\Admin\AppData\Local\Temp\gmail.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    PID:1876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1876-0-0x00007FFAC2653000-0x00007FFAC2655000-memory.dmp

    Filesize

    8KB

  • memory/1876-1-0x0000000000DD0000-0x0000000000DDE000-memory.dmp

    Filesize

    56KB

  • memory/1876-6-0x00007FFAC2650000-0x00007FFAC3111000-memory.dmp

    Filesize

    10.8MB

  • memory/1876-7-0x00007FFAC2650000-0x00007FFAC3111000-memory.dmp

    Filesize

    10.8MB