Analysis

  • max time kernel
    1793s
  • max time network
    1803s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/05/2024, 02:22

General

  • Target

    a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe

  • Size

    63KB

  • MD5

    222c2d239f4c8a1d73c736c9cc712807

  • SHA1

    c3aa61bd6f8cc640bcfa74c40d9283c9c08c7b3c

  • SHA256

    ff43049677c57277f12a1d97f02af3029d7b75b5ad40303a28f1b0452997969d

  • SHA512

    1f2fea85e45e93916306c234b916d6b4b200dac9656e44f4555f825dd8677cb5e927bd5e7a74bf2fb2f6972a3e6e2d294a6104add162ba3d53a0e6cfedef6a02

  • SSDEEP

    1536:tJc/5q1qoR5PDdAZcIED4VuCkbFybjQ9f0jQRmONww+W:7c/iqoJekbFEQ9W+mONP+W

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:23638

209.25.140.1:5525:23638

bring-recorder.gl.at.ply.gg:23638

action-yesterday.gl.at.ply.gg:23638

147.185.221.19:23638

then-wheel.gl.at.ply.gg::23638

then-wheel.gl.at.ply.gg:23638

teen-modes.gl.at.ply.gg:23638

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    uwumonster.exe

Signatures

  • Detect Xworm Payload 16 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 30 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 32 IoCs
  • Suspicious use of WriteProcessMemory 64 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\a ton of ya\ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
    "C:\Users\Admin\AppData\Local\Temp\a ton of ya\ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "uwumonster" /tr "C:\Users\Admin\AppData\Local\uwumonster.exe"
      2⤵
      • Creates scheduled task(s)
      PID:2516
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {166CAA42-93FD-4A0B-B6C0-CE44BEB4F153} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2268
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2312
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1812
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2616
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2144
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2296
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1960
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2608
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1872
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2892
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2756
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2180
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2512
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2304
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2476
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2052
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1704
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1784
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2480
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2448
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2472
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:560
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:888
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1376
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1872
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2032
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:532
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1356
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\uwumonster.exe

    Filesize

    63KB

    MD5

    222c2d239f4c8a1d73c736c9cc712807

    SHA1

    c3aa61bd6f8cc640bcfa74c40d9283c9c08c7b3c

    SHA256

    ff43049677c57277f12a1d97f02af3029d7b75b5ad40303a28f1b0452997969d

    SHA512

    1f2fea85e45e93916306c234b916d6b4b200dac9656e44f4555f825dd8677cb5e927bd5e7a74bf2fb2f6972a3e6e2d294a6104add162ba3d53a0e6cfedef6a02

  • memory/188-55-0x00000000011D0000-0x00000000011E6000-memory.dmp

    Filesize

    88KB

  • memory/532-51-0x0000000000D10000-0x0000000000D26000-memory.dmp

    Filesize

    88KB

  • memory/888-44-0x00000000001A0000-0x00000000001B6000-memory.dmp

    Filesize

    88KB

  • memory/1356-53-0x0000000000220000-0x0000000000236000-memory.dmp

    Filesize

    88KB

  • memory/1376-46-0x0000000000B30000-0x0000000000B46000-memory.dmp

    Filesize

    88KB

  • memory/1704-36-0x0000000000E70000-0x0000000000E86000-memory.dmp

    Filesize

    88KB

  • memory/1784-38-0x0000000000F10000-0x0000000000F26000-memory.dmp

    Filesize

    88KB

  • memory/1960-21-0x00000000013D0000-0x00000000013E6000-memory.dmp

    Filesize

    88KB

  • memory/2032-49-0x0000000000330000-0x0000000000346000-memory.dmp

    Filesize

    88KB

  • memory/2052-34-0x00000000002D0000-0x00000000002E6000-memory.dmp

    Filesize

    88KB

  • memory/2180-28-0x0000000000070000-0x0000000000086000-memory.dmp

    Filesize

    88KB

  • memory/2216-8-0x000007FEF5780000-0x000007FEF616C000-memory.dmp

    Filesize

    9.9MB

  • memory/2216-0-0x000007FEF5783000-0x000007FEF5784000-memory.dmp

    Filesize

    4KB

  • memory/2216-7-0x000007FEF5783000-0x000007FEF5784000-memory.dmp

    Filesize

    4KB

  • memory/2216-6-0x000007FEF5780000-0x000007FEF616C000-memory.dmp

    Filesize

    9.9MB

  • memory/2216-1-0x0000000000CB0000-0x0000000000CC6000-memory.dmp

    Filesize

    88KB

  • memory/2268-12-0x00000000011C0000-0x00000000011D6000-memory.dmp

    Filesize

    88KB

  • memory/2512-30-0x0000000001200000-0x0000000001216000-memory.dmp

    Filesize

    88KB

  • memory/2616-17-0x0000000001360000-0x0000000001376000-memory.dmp

    Filesize

    88KB