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Analysis

  • max time kernel
    1784s
  • max time network
    1793s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    02/05/2024, 02:26

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 19 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:2480
    • 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:2980
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {443AE935-5678-4D87-B8AF-3FEDE5C4A438} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2408
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1552
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1040
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:872
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:844
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1044
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2912
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:332
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1040
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3028
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:864
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2600
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1844
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2364
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1008
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1756
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2984
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2184
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:188
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2132
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1888
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1748
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:288
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2516
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2040
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2528
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:448
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1112
    • C:\Users\Admin\AppData\Local\uwumonster.exe
      C:\Users\Admin\AppData\Local\uwumonster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3004

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/188-42-0x0000000000CE0000-0x0000000000CF6000-memory.dmp

    Filesize

    88KB

  • memory/288-49-0x00000000003B0000-0x00000000003C6000-memory.dmp

    Filesize

    88KB

  • memory/448-56-0x00000000012F0000-0x0000000001306000-memory.dmp

    Filesize

    88KB

  • memory/844-21-0x00000000012D0000-0x00000000012E6000-memory.dmp

    Filesize

    88KB

  • memory/864-28-0x0000000001310000-0x0000000001326000-memory.dmp

    Filesize

    88KB

  • memory/872-19-0x0000000000D20000-0x0000000000D36000-memory.dmp

    Filesize

    88KB

  • memory/1008-34-0x00000000000A0000-0x00000000000B6000-memory.dmp

    Filesize

    88KB

  • memory/1040-17-0x0000000000B50000-0x0000000000B66000-memory.dmp

    Filesize

    88KB

  • memory/1552-15-0x0000000000130000-0x0000000000146000-memory.dmp

    Filesize

    88KB

  • memory/1756-36-0x00000000002B0000-0x00000000002C6000-memory.dmp

    Filesize

    88KB

  • memory/2040-53-0x0000000000DD0000-0x0000000000DE6000-memory.dmp

    Filesize

    88KB

  • memory/2132-44-0x0000000000FE0000-0x0000000000FF6000-memory.dmp

    Filesize

    88KB

  • memory/2184-40-0x0000000000850000-0x0000000000866000-memory.dmp

    Filesize

    88KB

  • memory/2364-32-0x0000000000170000-0x0000000000186000-memory.dmp

    Filesize

    88KB

  • memory/2408-10-0x0000000001170000-0x0000000001186000-memory.dmp

    Filesize

    88KB

  • memory/2480-11-0x000007FEF57F3000-0x000007FEF57F4000-memory.dmp

    Filesize

    4KB

  • memory/2480-12-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2480-0-0x000007FEF57F3000-0x000007FEF57F4000-memory.dmp

    Filesize

    4KB

  • memory/2480-6-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2480-1-0x00000000012B0000-0x00000000012C6000-memory.dmp

    Filesize

    88KB

  • memory/2516-51-0x00000000001B0000-0x00000000001C6000-memory.dmp

    Filesize

    88KB

  • memory/2984-38-0x00000000001D0000-0x00000000001E6000-memory.dmp

    Filesize

    88KB