Analysis

  • max time kernel
    598s
  • max time network
    606s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 13:14

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
  • Executes dropped EXE 10 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 12 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:2160
    • 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:2196
  • C:\Users\Admin\ww.exe
    C:\Users\Admin\ww.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1928
  • C:\Users\Admin\ww.exe
    C:\Users\Admin\ww.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1612
  • C:\Users\Admin\ww.exe
    C:\Users\Admin\ww.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3420
  • C:\Users\Admin\ww.exe
    C:\Users\Admin\ww.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2128
  • C:\Users\Admin\ww.exe
    C:\Users\Admin\ww.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:224
  • C:\Users\Admin\ww.exe
    C:\Users\Admin\ww.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3232
  • C:\Users\Admin\ww.exe
    C:\Users\Admin\ww.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2456
  • C:\Users\Admin\ww.exe
    C:\Users\Admin\ww.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:608
  • C:\Users\Admin\ww.exe
    C:\Users\Admin\ww.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2836
  • C:\Users\Admin\ww.exe
    C:\Users\Admin\ww.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\ww.exe.log

    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

  • C:\Users\Admin\ww.exe

    Filesize

    60KB

    MD5

    912c5ade2dc17f825036e94fdd85b063

    SHA1

    7ac8e63df65e14b4d4d4beca2204418485fa3cfa

    SHA256

    b333067f0a6a6b025855c409b291cea8bf7bf8056ac31c1b64d04cc257f60dc6

    SHA512

    d3b2f6b3b111804ac5235180b1bd859140fa34e0ff47b7689d6ea719de017d98c8971adfc9efdcecbd688a12c22d358896538b4a54b9739cb95003da348fd9ed

  • memory/1928-9-0x00007FFB43780000-0x00007FFB44241000-memory.dmp

    Filesize

    10.8MB

  • memory/1928-11-0x00007FFB43780000-0x00007FFB44241000-memory.dmp

    Filesize

    10.8MB

  • memory/2160-0-0x00007FFB43783000-0x00007FFB43785000-memory.dmp

    Filesize

    8KB

  • memory/2160-1-0x0000000000130000-0x0000000000146000-memory.dmp

    Filesize

    88KB

  • memory/2160-6-0x00007FFB43780000-0x00007FFB44241000-memory.dmp

    Filesize

    10.8MB

  • memory/2160-12-0x00007FFB43780000-0x00007FFB44241000-memory.dmp

    Filesize

    10.8MB