Analysis

  • max time kernel
    62s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 13:12

General

  • Target

    12.exe

  • Size

    60KB

  • MD5

    912c5ade2dc17f825036e94fdd85b063

  • SHA1

    7ac8e63df65e14b4d4d4beca2204418485fa3cfa

  • SHA256

    b333067f0a6a6b025855c409b291cea8bf7bf8056ac31c1b64d04cc257f60dc6

  • SHA512

    d3b2f6b3b111804ac5235180b1bd859140fa34e0ff47b7689d6ea719de017d98c8971adfc9efdcecbd688a12c22d358896538b4a54b9739cb95003da348fd9ed

  • SSDEEP

    1536:5WkxdnRY2jXz0DjhzHIV2/O1dnR/kCNkbf5xFgnQNURUOLCiF:5W2dnRYYIDVa22LnR/TkbfPtOLhF

Malware Config

Extracted

Family

xworm

C2

t-screening.gl.at.ply.gg:11852

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    ww.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 62 IoCs
  • Suspicious use of SendNotifyMessage 62 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\12.exe
    "C:\Users\Admin\AppData\Local\Temp\12.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ww" /tr "C:\Users\Admin\ww.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1580
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ww.lnk

    Filesize

    751B

    MD5

    e3fa2e1d660da6acc17aec63c563e32b

    SHA1

    6f87743e3a605985603c02344024201fd2c27bb1

    SHA256

    579130709f34f2bc32b0694f22015f478b8754cf8c5ec68bbf783b6f56273c2e

    SHA512

    2fb4b87202a432719adf794c7a2041d37702fcd3deacfc85023d1a68153def984965fc6feeaf41d9aef49ac3c5a34666bc1a0903c7eab71ab4b00f21792b0e99

  • C:\Users\Admin\ww.exe

    Filesize

    60KB

    MD5

    912c5ade2dc17f825036e94fdd85b063

    SHA1

    7ac8e63df65e14b4d4d4beca2204418485fa3cfa

    SHA256

    b333067f0a6a6b025855c409b291cea8bf7bf8056ac31c1b64d04cc257f60dc6

    SHA512

    d3b2f6b3b111804ac5235180b1bd859140fa34e0ff47b7689d6ea719de017d98c8971adfc9efdcecbd688a12c22d358896538b4a54b9739cb95003da348fd9ed

  • memory/1592-0-0x00007FFD900B3000-0x00007FFD900B5000-memory.dmp

    Filesize

    8KB

  • memory/1592-1-0x00000000002F0000-0x0000000000306000-memory.dmp

    Filesize

    88KB

  • memory/1592-6-0x00007FFD900B0000-0x00007FFD90B71000-memory.dmp

    Filesize

    10.8MB

  • memory/1592-7-0x00007FFD900B3000-0x00007FFD900B5000-memory.dmp

    Filesize

    8KB

  • memory/1592-21-0x00007FFD900B0000-0x00007FFD90B71000-memory.dmp

    Filesize

    10.8MB

  • memory/3712-19-0x0000020DCE660000-0x0000020DCE661000-memory.dmp

    Filesize

    4KB

  • memory/3712-20-0x0000020DCE660000-0x0000020DCE661000-memory.dmp

    Filesize

    4KB

  • memory/3712-18-0x0000020DCE660000-0x0000020DCE661000-memory.dmp

    Filesize

    4KB

  • memory/3712-17-0x0000020DCE660000-0x0000020DCE661000-memory.dmp

    Filesize

    4KB

  • memory/3712-16-0x0000020DCE660000-0x0000020DCE661000-memory.dmp

    Filesize

    4KB

  • memory/3712-15-0x0000020DCE660000-0x0000020DCE661000-memory.dmp

    Filesize

    4KB

  • memory/3712-14-0x0000020DCE660000-0x0000020DCE661000-memory.dmp

    Filesize

    4KB

  • memory/3712-9-0x0000020DCE660000-0x0000020DCE661000-memory.dmp

    Filesize

    4KB

  • memory/3712-10-0x0000020DCE660000-0x0000020DCE661000-memory.dmp

    Filesize

    4KB

  • memory/3712-8-0x0000020DCE660000-0x0000020DCE661000-memory.dmp

    Filesize

    4KB